WO1988003468A3 - Production of improved preimpregnated material comprising a particulate thermoplastic polymer suitable for use in the formation of a substantially void-free fiber-reinforced composite article - Google Patents

Production of improved preimpregnated material comprising a particulate thermoplastic polymer suitable for use in the formation of a substantially void-free fiber-reinforced composite article Download PDF

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Publication number
WO1988003468A3
WO1988003468A3 PCT/US1987/002867 US8702867W WO8803468A3 WO 1988003468 A3 WO1988003468 A3 WO 1988003468A3 US 8702867 W US8702867 W US 8702867W WO 8803468 A3 WO8803468 A3 WO 8803468A3
Authority
WO
WIPO (PCT)
Prior art keywords
reinforced composite
improved
composite article
thermoplastic polymer
polymer particles
Prior art date
Application number
PCT/US1987/002867
Other languages
French (fr)
Other versions
WO1988003468A2 (en
Inventor
Robert Dyksterhouse
Joel A Dyksterhouse
Original Assignee
Basf Ag
Robert Dyksterhouse
Joel A Dyksterhouse
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 Basf Ag, Robert Dyksterhouse, Joel A Dyksterhouse filed Critical Basf Ag
Priority to BR8707527A priority Critical patent/BR8707527A/en
Priority to AT88900278T priority patent/ATE70765T1/en
Priority to DE8888900278T priority patent/DE3775552D1/en
Publication of WO1988003468A2 publication Critical patent/WO1988003468A2/en
Publication of WO1988003468A3 publication Critical patent/WO1988003468A3/en
Priority to KR1019880700798A priority patent/KR890700067A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10—Coating or impregnating independently of the moulding or shaping step
    • B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/241—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres
    • C08J5/243—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using inorganic fibres using carbon fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/249—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs characterised by the additives used in the prepolymer mixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0061—Gel or sol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0058—Liquid or visquous
    • B29K2105/0064—Latex, emulsion or dispersion

Abstract

An improved multifilamentary fibrous material is formed having particles of a matrix-forming thermoplastic polymer substantially uniformly dispersed among adjoining filaments in the absence of fusion bonding. The polymer particles initially are dispersed in an aqueous medium containing an effective amount of a dissolved polymeric binding agent and the viscosity of the medium subsequently is substantially increased to at least 50,000 cps. to form a gelled impregnation bath having a plastic flow characteristic with shear-thinning behavior wherein the polymer particles are substantially uniformly suspended. The resulting impregnation bath is caused to flow between the adjoining filaments of the multifilamentary fibrous material with a concomitant viscosity reduction which aids in the incorporation of the polymer particles. The concentration of the aqueous medium in the product is controlled to yield a uniform, handleable, drapable, tacky, and highly stable product. Upon the application of heat and pressure the improved product can be transformed into a fiber-reinforced composite article wherein the solid particles form the matrix phase.
PCT/US1987/002867 1986-11-07 1987-11-05 Production of improved preimpregnated material comprising a particulate thermoplastic polymer suitable for use in the formation of a substantially void-free fiber-reinforced composite article WO1988003468A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BR8707527A BR8707527A (en) 1986-11-07 1987-11-05 PROCESS FOR THE PRODUCTION OF A PERFECTED FIBROUS MATERIAL, A PERFECTED FIBROUS MATERIAL AND USE OF THE SAME
AT88900278T ATE70765T1 (en) 1986-11-07 1987-11-05 MANUFACTURE OF A PRE-DRYING ARTICLE, INCLUDING A THERMOPLASTIC POLYMER POWDER, CAPABLE OF FORMING A SUBSTANTIALLY HOB-FREE, FIBER-REINFORCED MULTI-LAYER BODY.
DE8888900278T DE3775552D1 (en) 1986-11-07 1987-11-05 PRODUCTION OF A PRE-DRINKED OBJECT THAT CONTAINS A THERMOPLASTIC POLYMER POWDER AND IS SUITABLE FOR SHAPING A MULTI-LAYER-FREE, FIBER-REINFORCED FIBER REINFORCED FIBER.
KR1019880700798A KR890700067A (en) 1986-11-07 1988-07-07 Method for manufacturing improved prepreg material made of particulate thermoplastic polymer suitable for use in forming fiber-reinforced composites having virtually no voids

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92891786A 1986-11-07 1986-11-07
US928,917 1986-11-07
US07/114,362 US4894105A (en) 1986-11-07 1987-11-04 Production of improved preimpregnated material comprising a particulate thermoplastic polymer suitable for use in the formation of substantially void-free fiber-reinforced composite article
US114,362 1987-11-04

Publications (2)

Publication Number Publication Date
WO1988003468A2 WO1988003468A2 (en) 1988-05-19
WO1988003468A3 true WO1988003468A3 (en) 1988-06-02

Family

ID=26812104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1987/002867 WO1988003468A2 (en) 1986-11-07 1987-11-05 Production of improved preimpregnated material comprising a particulate thermoplastic polymer suitable for use in the formation of a substantially void-free fiber-reinforced composite article

Country Status (10)

Country Link
US (1) US4894105A (en)
EP (1) EP0289591B1 (en)
JP (1) JPH01501233A (en)
KR (1) KR890700067A (en)
AT (1) ATE70765T1 (en)
AU (1) AU598090B2 (en)
BR (1) BR8707527A (en)
CA (1) CA1319053C (en)
DE (1) DE3775552D1 (en)
WO (1) WO1988003468A2 (en)

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EP0289591B1 (en) 1991-12-27
DE3775552D1 (en) 1992-02-06
BR8707527A (en) 1989-02-21
JPH01501233A (en) 1989-04-27
KR890700067A (en) 1989-03-02
AU598090B2 (en) 1990-06-14
ATE70765T1 (en) 1992-01-15
CA1319053C (en) 1993-06-15
AU1052088A (en) 1988-06-01
EP0289591A1 (en) 1988-11-09
WO1988003468A2 (en) 1988-05-19
US4894105A (en) 1990-01-16

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