CN100396640C - Magnesa soil and paper fiber composite wall material and its production method - Google Patents

Magnesa soil and paper fiber composite wall material and its production method Download PDF

Info

Publication number
CN100396640C
CN100396640C CNB2006101552438A CN200610155243A CN100396640C CN 100396640 C CN100396640 C CN 100396640C CN B2006101552438 A CNB2006101552438 A CN B2006101552438A CN 200610155243 A CN200610155243 A CN 200610155243A CN 100396640 C CN100396640 C CN 100396640C
Authority
CN
China
Prior art keywords
magnesia
composite wall
paper
wall material
raw material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2006101552438A
Other languages
Chinese (zh)
Other versions
CN1970495A (en
Inventor
傅深渊
马灵飞
俞友明
程书娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang A&F University ZAFU
Original Assignee
Zhejiang Forestry College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Forestry College filed Critical Zhejiang Forestry College
Priority to CNB2006101552438A priority Critical patent/CN100396640C/en
Publication of CN1970495A publication Critical patent/CN1970495A/en
Application granted granted Critical
Publication of CN100396640C publication Critical patent/CN100396640C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/30Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing magnesium cements or similar cements
    • C04B28/32Magnesium oxychloride cements, e.g. Sorel cement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a composite wall material of magnesite and paper fiber, which comprises the following parts: 90% magnesite, 30-100% water, 5-20% magnesium chloride as activator, 1-5% fiber and 1-10% reinforcer. The manufacturing method of composite wall material comprises the following steps: predisposing raw material; weighing raw material; tempering to form slurry; moulding; heating; solidifying; stripping; drying; detecting distance. The invention saves investment, which can be applied as architectural decorative material.

Description

Magnesia and paper fibre composite wall material and production method thereof
Technical field
The present invention relates to a kind of is the materials for wall and the production method thereof of major ingredient composite molding with magnesia and paper fiber.
Background technology
With silicate cement or with magnesium cement and wood wool or the compound technology of making thistle board of wood shavings, existing multinomial patent is made known publicly, the lightweight of this plate body, porous, mainly determine by the hole between wood wool, wood shavings, the consumption of wood wool or wood shavings is almost the 1/3-1/2 of magnesia, this is current the wood raw material scarcity, slightly feels matter of regret.CN1861352A discloses middle forest Southern Star (Huzhou) plywood company limited " with autoclave method manufacturing lightweight magnesia wood wool board " patented technology, uses MgCl 2Solution, magnesia, wood wool mixing, paving prefabricating moulding, press curing moulding in having the airtight press of vapour generator.This Technology Need is with investing bigger press, and in the sheet material of making, the ratio of wood wool and magnesia is 1: 1.5-2.0, and xylon is wasteful, and the modified phase of maintenance is long, influences the production cycle.
Summary of the invention
In order to reduce the facility investment of producing composite wall body material, reduce the amount of expending of wood (paper) fiber, the present invention designs a kind of magnesia and paper fibre composite wall material and production method thereof, greatly reduce the facility investment expense and reduced wood (paper) fiber consumption, shorten the production cycle, and the product porous of making, waterproof, fire prevention, mildew-resistant, mothproof also have sound isolating and heat insulating performance.
The technical scheme that the present invention solves the problems of the technologies described above is: formed by following raw materials according and weight part proportioning thereof: 90 parts of magnesias, 30-100 part water, 5-20 part are done in the silane coupling agent, polyacrylate dispersion, polyvinyl acetate emulsion of toughener at least a as magnesium chloride, 1-5 part paper fiber, 1-10 part of activator.
Optimum weight part proportioning of each raw material is: 90 parts of magnesias, 40-60 part water, 10 parts of magnesium chlorides, 2 parts of paper fibers, 5-6 part toughener.
Said toughener is at least a in silane coupling agent, polyacrylate dispersion, the polyvinyl acetate emulsion, and preferred plan is silane coupling agent and polyvinyl acetate emulsion mixed solution.
This magnesia is to follow these steps to carry out with paper fibre composite wall material produce method:
(1) pre-treatment of raw material is with magnesia drying, pulverizing, screening, and waste paper is cut into slice, pulverizing, homogenate, system MgCl 2The aqueous solution is standby;
(2) weighing of raw material and mix well pulping;
(3) go into mold forming;
(4) heating cure;
(5) demoulding drying;
(6) saw cuts and test.
The invention has the beneficial effects as follows: the wood that expends (waste paper) fiber is few, and is a kind of utilization of waste material, greatly saves day wood raw material of sense shortage; Need not acquire press, low equipment investment; Save preserving period, shortened the production cycle.
Embodiment
The present invention will now be further detailed embodiment: earlier each production stage is done careful introduction.
(1) pre-treatment of raw material.Selecting Mg0 content is the magnesia of 75-85%, is dried, pulverizes, screens, and makes raw material with 50 order to 300 purposes; Waste paper is cut into 5 * 30mm slice earlier, makes paper pulp again in pulverizing, refiner; Make content and be about 30% MgCl 2The aqueous solution is standby.
(2) weighing of raw material and mix well pulping.Weight part ratio requirement by each raw material that designs takes by weighing, and mixes well pulping again.
(3) go into mold forming.Be the cost-saving, by the prefabricated wooden model of design specification, the slurry that falls is gone into mold forming, and swing die when going into mould enriches filling.
(4) heating cure.Solidify 0.5-2.0h under 80 ° of-160 ℃ of conditions, it is fixed that come by temperature, material shape, thickness set time.
(5) demoulding drying.Be cooled to below 40 ℃, non-scald on hand is the film mould, owes exsiccant heat drying or seasoning again.
(6) saw cuts and test.Cut or only make the deburring saw and cut by user's dimensional requirement saw, by tests of testing such as the standard-required of product and relevant mechanical properties.
Embodiment:
Select MgO content be 80%, granularity is 150 purpose magnesia 90kg, water 40kg, MgCl 2Content accounts for 30% aqueous solution 10kg, the paper pulp of paper fiber 2kg furnishing, polyvinyl acetate emulsion 5kg, 0.08kg (80g) silane coupling agent sneak into and fully mix thoroughly in the cement mixer after, pour into one by one in the mould that is placed on the vibrator, after its filling is enriched, moving to drying room, is thin material the floor tile as what make, then solidifies 2 hours in 80 ℃, or in 160 ℃, solidify 0.5h, to be cooled to 40 ℃ with bottom knockout, reached dry requirement basically, can saw immediately and cut or the deburring test.If make brick shape material, then can in 160 ℃, solidify 0.5h after, stack nature again and dry.Low as surface finish is required, just jagsaw does not cut or the deburring usefulness of building a wall.
Below with the add-on of some raw materials to the expression of tabulating of the laboratory simultaneous test of the performance impact of composite wall body material.
Amount of water is to performance impact (table 1)
Sequence number Amount of water (ml) Density (g/cm 3) Internal bond strength (Mpa) The ratio of strength to weight
1 40 1.294 0.588 0.454
2 60 1.278 0.412 0.322
3 80 1.340 0.393 0.293
4 100 1.263 0.396 0.313
Table 1 shows that amount of water is big to internal bond strength, ratio of strength to weight influence, and amount of water and internal bond strength are inversely proportional to, and be preferred with 40-60ml.
During 180 ℃ of solidification values, the easy charing of paper fiber, plasticity descends, and produces cracking phenomena, so solidification value is the highest exceeds with 160 ℃, be controlled at 80-160 ℃ more suitable.
Add paper pulp amount to performance impact (table 2)
Sequence number Paper fiber (g) Density (g/cm 3) Internal bond strength (Mpa) The ratio of strength to weight
1 0 1.304 0.287 0.220
2 2 1.294 0.588 0.454
3 3 1.201 0.396 0.330
4 4 1.042 0.227 0.218
5 5 0.897 0.126 0.140
The paper pulp add-on showed that the adding of paper delivery fiber is all big to three performance impacts, to add the preferred of 2-3g to the performance impact table when table 2 was 160 ℃ of amount of water 40ml, solidification value.
Also to adding which kind of toughener, single thing toughener still is the mixture toughener to the applicant, compares test, with 5 parts of polyvinyl acetate emulsions with to make the toughener effect less than 1 part silane coupling agent best.Because of length is limit not carefully row.Listed " ratio of strength to weight " in the table is meant the material of same weight and the ratio of intensity, i.e. internal bond strength/weight.
In the raw material of the present invention, magnesia is to form with the magnesite calcining, be powdery air-setting consolidating material, main component is a magnesium oxide, have fast solidifying, intensity height, alkalescence weak, easily combine with organism, performances such as fire prevention, waterproof, be benchmark with the magnesia of fixing 90 weight parts among the present invention, calculate other proportion of raw materials amount, calculate oppositely that certainly proportional quantity also is feasible.
Whether the adding of paper pulp to be, adds or adds fewly, with the performance of composite wall body material remarkably influenced is arranged, and it plays tractive therein, improves the flexible effect, do not add with to add paper pulp all not all right, and be that 2 weight parts are best to be converted to the paper fiber.The paper fiber is interspersed, overlapping in magnesia, adhesion becomes a three-dimensional reticulated structure, has improved the performance that absorbs and disperse impact energy, makes composite wall body material resistance to impact shock and good toughness.
Add this polyphosphazene polymer of polyvinyl acetate emulsion and contain thing, in solidification process, it can produce superpolymer and coat Mg (OH) around complex compound 2Xln forms the excellent waterproof protective layer, and is also crosslinked voluntarily and stop up capillary channel in the space between crystal simultaneously, reduces chlorion and contact with water molecules, the stability of raising complex structure in water.Silane coupling agent contains long key section, can form the loose interfacial layer of flexibility stress, improve the shock strength and the toughness of materials for wall, and this coupling agent can change over covalent bonding with the bonding of material, increased the avidity of magnesia and paper fiber, play the molecule bridge, not only gain in strength, also can increase the add-on of magnesia, reduce paper fiber amount of expending and production cost.
As magnesia, paper pulp, water, MgCl 2, behind the polyvinyl acetate emulsion, silane coupling agent homogenate, bond is closed the formation spatial grid structure, the water molecules in its structure is through heating cure, the dehydration evaporation just forms micropore shape composite wall body material.

Claims (2)

1. magnesia and paper fibre composite wall material is characterized in that being formed by following raw materials according and weight part proportioning thereof: 90 parts of magnesias, 30-100 part water, 5-20 part are done in the silane coupling agent, polyacrylate dispersion, polyvinyl acetate emulsion of toughener at least a as magnesium chloride, 1-5 part paper fiber, 1-10 part of activator.
2. the production method of magnesia as claimed in claim 1 and paper fibre composite wall material is characterized in that following these steps to carrying out:
(1) pre-treatment of raw material: with magnesia drying, pulverizing, screening, waste paper is cut into slice, pulverizing, homogenate, system MgCl 2The aqueous solution is standby;
(2) weighing of raw material and mix well pulping;
(3) go into mold forming;
(4) heating cure;
(5) demoulding drying;
(6) saw cuts and test.
CNB2006101552438A 2006-12-15 2006-12-15 Magnesa soil and paper fiber composite wall material and its production method Expired - Fee Related CN100396640C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101552438A CN100396640C (en) 2006-12-15 2006-12-15 Magnesa soil and paper fiber composite wall material and its production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101552438A CN100396640C (en) 2006-12-15 2006-12-15 Magnesa soil and paper fiber composite wall material and its production method

Publications (2)

Publication Number Publication Date
CN1970495A CN1970495A (en) 2007-05-30
CN100396640C true CN100396640C (en) 2008-06-25

Family

ID=38111546

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101552438A Expired - Fee Related CN100396640C (en) 2006-12-15 2006-12-15 Magnesa soil and paper fiber composite wall material and its production method

Country Status (1)

Country Link
CN (1) CN100396640C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105731900B (en) * 2016-02-16 2018-05-22 大连华源新型环保材料科技有限公司 Environment protecting paper soil composite material
CN106431175A (en) * 2016-10-10 2017-02-22 林玉龙 Sand-based colored magnesite cementing material and preparation and usage methods thereof
CN107935519B (en) * 2017-12-19 2020-12-11 哈尔滨工业大学 Diatom plate free of steam curing and capable of degrading formaldehyde and preparation method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096775A (en) * 1993-06-22 1994-12-28 毕伟 Fire retardant plywood
CN1101092A (en) * 1993-11-24 1995-04-05 山东建筑材料工业学院 Magnesium silicon fiber-setting composite light hollow wall-plate
CN1104702A (en) * 1993-12-31 1995-07-05 徐铜文 Lightweight decorative board for construction
CN1113850A (en) * 1994-05-30 1995-12-27 万德兵 Magnesite inorganic decoration board and technology
CN1117109A (en) * 1994-08-19 1996-02-21 王效芬 Door and its producing method
CN1152560A (en) * 1995-11-30 1997-06-25 马俊贤 Fire-proof carved door plate
AU2003257214A1 (en) * 2002-08-09 2004-02-25 Denis Bezard Hydraulically hardening substance
US6872246B2 (en) * 2000-10-04 2005-03-29 James Hardie Research Pty Limited Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1096775A (en) * 1993-06-22 1994-12-28 毕伟 Fire retardant plywood
CN1101092A (en) * 1993-11-24 1995-04-05 山东建筑材料工业学院 Magnesium silicon fiber-setting composite light hollow wall-plate
CN1104702A (en) * 1993-12-31 1995-07-05 徐铜文 Lightweight decorative board for construction
CN1113850A (en) * 1994-05-30 1995-12-27 万德兵 Magnesite inorganic decoration board and technology
CN1117109A (en) * 1994-08-19 1996-02-21 王效芬 Door and its producing method
CN1152560A (en) * 1995-11-30 1997-06-25 马俊贤 Fire-proof carved door plate
US6872246B2 (en) * 2000-10-04 2005-03-29 James Hardie Research Pty Limited Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances
AU2003257214A1 (en) * 2002-08-09 2004-02-25 Denis Bezard Hydraulically hardening substance

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
菱苦土稻草碎料纤维板的应用研究. 崔春龙.中国矿业,第14卷第2期. 2005
菱苦土稻草碎料纤维板的应用研究. 崔春龙.中国矿业,第14卷第2期. 2005 *

Also Published As

Publication number Publication date
CN1970495A (en) 2007-05-30

Similar Documents

Publication Publication Date Title
CN101328055B (en) Composite silicate thermal insulation material
CN102417331B (en) Thermal insulation sheet material and preparation method thereof
CN102922587B (en) Method for manufacturing medium-density fiberboard in inorganic gluing
CN101284722A (en) Fiberglas reinforced plaster tablet and method for making the same
CN108795025A (en) A kind of open air polyurethane composite plate and preparation method thereof
CN105201085B (en) A kind of composite plate and preparation method thereof
CN102086673B (en) High-strength rock-like low carbon substrate and preparation method thereof
CN104552488A (en) Flame retardant composite board and manufacture method thereof
CN103803939A (en) Geopolymer based fibreboard
CN101294434B (en) Composite thermal insulation building block and producing method thereof
CN101883904A (en) Be used to make the low fiber calcination process of plasterboard
CN103243826B (en) A kind of inorganic foamed heat insulating porous composite plate
CN100396640C (en) Magnesa soil and paper fiber composite wall material and its production method
CN102408210B (en) Heat insulation decoration plate and preparation method thereof
CN103360018A (en) Ardealite composite material insulation board and production method thereof
CN106968413A (en) A kind of brilliant porcelain decorative integrated plate of magnesium-based
CN100365230C (en) Fiber reinforcement battened composite porous light partition plate and production process thereof
CN102417327A (en) Building exterior wall integral solidified organic heat insulation board and preparation method thereof
CN109020426A (en) Magnesial cementitious material and its preparation method on magnesium gelatinous material floor
CN107298572A (en) A kind of biomass gelling composite floor board and preparation method thereof
WO2019065226A1 (en) Mineral board and production method therefor
CN2929007Y (en) Composite heat insulation plate
CN111285659A (en) Fireproof composite board substrate, preparation method of fireproof composite board substrate and fireproof composite board
CN201809869U (en) Thermal insulation and energy-saving composite plate
CN101229965A (en) High-intensity inorganic glass reinforced plastic building template

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: ZHEJIANG A + F UNIVERSITY

Free format text: FORMER NAME: ZHEJIANG FORESTRY COLLEGE

CP01 Change in the name or title of a patent holder

Address after: 311300 Zhejiang city of Ling'an Province Jincheng Street Kam Street No. 252

Patentee after: Zhejiang A & F University

Address before: 311300 Zhejiang city of Ling'an Province Jincheng Street Kam Street No. 252

Patentee before: Zhejiang Forestry University

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080625

Termination date: 20121215