CN104449421A - Surface treating agent of organic silica gel belt for transverse and longitudinal joints of LNG ship polyurethane foam tube - Google Patents
Surface treating agent of organic silica gel belt for transverse and longitudinal joints of LNG ship polyurethane foam tube Download PDFInfo
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- CN104449421A CN104449421A CN201410799273.7A CN201410799273A CN104449421A CN 104449421 A CN104449421 A CN 104449421A CN 201410799273 A CN201410799273 A CN 201410799273A CN 104449421 A CN104449421 A CN 104449421A
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- silane coupling
- coupling agent
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- surface treating
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Abstract
The invention provides a surface treating agent of an organic silica gel belt for transverse and longitudinal joints of a LNG ship polyurethane foam tube. The surface treating agent is prepared from the following components in percentage by mass: 20-30% of a silane coupling agent containing isocyanic acid in a terminal group, 20-30% of silane coupling agent containing vinyl in a terminal group, 1-5% of an initiator, 5-15% of a solvent, 0.1-4% of an inhibitor and 30-60% of a binder. The invention also discloses a preparation method of the surface treating agent. The preparation method comprises the following steps: mixing the silane coupling agent containing isocyanic acid in the terminal group, the silane coupling agent containing vinyl in the terminal group, the initiator, the solvent, the inhibitor and the binder and uniformly stirring in a reaction kettle to obtain a mixture; then, adding tert-butyl phenol into the mixture, and uniformly stirring in the reaction kettle; and finally, adding cyclohexanone peroxide to uniformly mix. The surface treating agent disclosed by the invention is simple and convenient to operate, and easy to realize; after the surface treating agent is used, the bonding performances of an organic silicon rubber thin sheet and the polyurethane foaming plastic are improved, so that the organic silicon rubber thin sheet and the polyurethane foaming plastic have good high shear strength and water resistance.
Description
Technical field
The invention belongs to adhesive field, be specifically related to a kind of surface treatment agent technology, especially relate to a kind of for the surface treatment agent of LNG ship polyurethane foam pipe transverse direction with longitudinal direction organo-silicone rubber thin slice.
Background technology
Along with the sharp increase to liquefied gas (as natural gas liquids LNG, liquefied petroleum gas (LPG) LPG, liquefied ethylene, liquid oxygen, liquid nitrogen etc.) user demand, the heat-insulating property using material about LNG ship body needs constantly to improve, to eliminate the hidden danger of LNG in transportation.In LNG technology, for preventing lagging material chilling and anxious heat, generally lagging material is made upper and lower two housings, between housing, adopt foam filled mode to be incubated, but at traditional material at two connecting portions because do not have external application connecting material to be fixed, cause increasing process at unloading liquefied gas number of times, the interface along packing material forms cracking, along this gap, lose heat insulation effect.For head it off, we are at the low temperature resistant silicone tape of glued on top one deck, but due to the performance difference of silicone tape and urethane comparatively large, adhesive property can not meet the demands completely, therefore, the adhesive property improving adhesive tape becomes the technical issues that need to address.
Summary of the invention
Goal of the invention: be solve problems of the prior art, the invention provides a kind of for the surface treatment agent of LNG ship polyurethane foam pipe transverse direction with longitudinal junction silicone tape, for improving the adhesive property of adhesive tape.
Technical scheme: for realizing above-mentioned technical purpose, the present invention proposes a kind of for LNG ship polyurethane foam pipe transverse direction and the surface treatment agent of longitudinal junction silicone tape, comprises the component of following mass percent:
Wherein, described end group has following molecular structural formula containing the silane coupling agent of isocyano:
n is the integer of 2 ~ 10;
Described end group has following molecular structural formula containing the silane coupling agent of vinyl:
n is the integer of 2 ~ 10.
Preferably, described initiator is cyclohexanone peroxide.
As preferably, described solvent is the mixed solvent of any one or they in benzene, toluene and dimethylbenzene.
Described reaction suppressor is tert-butyl phenol.
Described binding agent refers to the anaerobic glue vinylformic acid with ultra-low surface tension, and its molecular structure is:
Wherein, R is the alkyl of 8 ~ twelve carbon atom, and described anaerobic glue vinylformic acid adopts tetramethylolmethane and longer chain fatty acid generation esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, catalyzer is 10wt% hydrochloric acid, and the reaction times is 10 hours, and temperature of reaction is 120 DEG C, then in the product of reaction gained, add vinylformic acid again, add vinylformic acid feed ratio and do reference with longer chain fatty acid, its consumption mol ratio mol ratio is 1: 1, temperature of reaction is 80 DEG C, and the time is 6 hours.
The present invention proposes the preparation method of above-mentioned surface treatment agent simultaneously, comprises the steps:
(1) first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group is containing the silane coupling agent of vinyl, solvent and binding agent mixing and stir in a kettle.;
(2) reaction suppressor of formula ratio is added in said mixture, and stir in a kettle.;
(3) initiator adding formula ratio mixes and get final product.
In use, the surface treatment agent of preparation is coated on silicone tape internal surface.
Beneficial effect: compared with prior art, surface treatment agent preparation method of the present invention is simple, easy realization, when being used for LNG ship polyurethane foam pipe laterally with longitudinal junction silicone tape with this surface treatment agent, easy and simple to handle, and the surface wettability of organo-silicone rubber thin slice and urethane foam improves, thus there is high shear strength and water tolerance.
Embodiment
Embodiment 1
This surface treatment agent is prepared from (mass percentage) by following component proportion:
Described binding agent is the anaerobic glue vinylformic acid with ultra-low surface tension, and its molecular structure is:
Wherein, the anaerobic glue vinylformic acid of the present embodiment adopts tetramethylolmethane and sad esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, and catalyzer is 10wt% hydrochloric acid, and the reaction times is 10 hours, temperature of reaction is 120 DEG C, then in the product of reaction gained, then add vinylformic acid, vinylformic acid add-on and sad mol ratio are 1: 1, temperature of reaction is 80 DEG C, and the time is 6 hours.
Wherein end group containing the silane coupling agent structural formula of isocyanic acid is:
Wherein end group containing the structural formula of the silane coupling agent of vinyl is:
The preparation method of this surface treatment agent is:
1, first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group containing the silane coupling agent of vinyl, benzene, anaerobic glue vinylformic acid mixing stirring in a kettle.;
2, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.;
3, the cyclohexanone peroxide adding formula ratio mixes, and then constructs, and is coated on silicone tape internal surface.
Embodiment effect: being used for LNG ship urethane foam transverse direction with shearing resistance when longitudinally boning by the organo-silicone rubber thin slice of this surface treatment agent process is 10MPa.
Embodiment 2:
This surface treatment agent is prepared from (mass percentage) by following component proportion:
The acrylic acid molecular structure of anaerobic glue is:
Wherein, described anaerobic glue vinylformic acid adopts tetramethylolmethane and n-nonanoic acid esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, and catalyzer is 10wt% hydrochloric acid, and the reaction times is 10 hours, temperature of reaction is 120 DEG C, then in the product of reaction gained, then adding vinylformic acid, is 1: 1 with the reaction mol ratio of n-nonanoic acid, temperature of reaction is 80 DEG C, and the time is 6 hours.
Wherein end group containing the silane coupling agent structural formula of isocyanic acid is:
Wherein end group containing the structural formula of the silane coupling agent of vinyl is:
The preparation method of this surface treatment agent is:
1. first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group containing the silane coupling agent of vinyl, toluene, anaerobic glue vinylformic acid mixing stirring in a kettle.;
2. the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.;
3. the cyclohexanone peroxide adding formula ratio mixes, and then constructs, and is coated on silicone tape internal surface.
Embodiment effect: being used for LNG ship urethane foam transverse direction with shearing resistance when longitudinally boning by the organo-silicone rubber thin slice of this surface treatment agent process is 15MPa.
Embodiment 3:
This surface treatment agent is prepared from (mass percentage) by following component proportion:
In the present embodiment, the acrylic acid molecular structure of anaerobic glue is:
Wherein, anaerobic glue vinylformic acid adopts tetramethylolmethane and certain herbaceous plants with big flowers acid that esterification occurs, the mol ratio of tetramethylolmethane and certain herbaceous plants with big flowers acid is 1: 2, and catalyzer is 10wt% hydrochloric acid, and the reaction times is 10 hours, temperature of reaction is 120 DEG C, then in the product of reaction gained, then add vinylformic acid, the mol ratio of vinylformic acid and certain herbaceous plants with big flowers acid is 1: 1, temperature of reaction is 80 DEG C, and the time is 6 hours.
Wherein end group containing the silane coupling agent structural formula of isocyanic acid is:
Wherein end group containing the structural formula of the silane coupling agent of vinyl is:
The preparation method of this surface treatment agent is:
1, first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group containing the silane coupling agent of vinyl, dimethylbenzene, anaerobic glue vinylformic acid mixing stirring in a kettle.;
2, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.;
3, add cyclohexanone peroxide to mix, then construct, be coated on silicone tape internal surface.
Embodiment effect: being used for LNG ship urethane foam transverse direction with shearing resistance when longitudinally boning by the organo-silicone rubber thin slice of this surface treatment agent process is 20MPa.
Embodiment 4:
This surface treatment agent is prepared from (mass percentage) by following component proportion:
In the present embodiment, the acrylic acid molecular structure of anaerobic glue is:
Wherein, anaerobic glue vinylformic acid adopts tetramethylolmethane and laurostearic acid generation esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, and catalyzer is 10wt hydrochloric acid, and the reaction times is 10 hours, temperature of reaction is 120 DEG C, then in the product of reaction gained, then vinylformic acid is added, vinylformic acid and laurostearic acid mol ratio 1: 1, temperature of reaction is 80 DEG C, and the time is 6 hours.
Wherein end group containing the silane coupling agent structural formula of isocyanic acid is:
Wherein end group containing the structural formula of the silane coupling agent of vinyl is:
The preparation method of this surface treatment agent is:
1, first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group containing the silane coupling agent of vinyl, benzene-toluene (mass ratio 1: 1), anaerobic glue vinylformic acid mixing stirring in a kettle.;
2, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.;
3, the cyclohexanone peroxide adding formula ratio mixes, and then constructs, and is coated on silicone tape internal surface.
Embodiment effect: being used for LNG ship urethane foam transverse direction with shearing resistance when longitudinally boning by the organo-silicone rubber thin slice of this surface treatment agent process is 24MPa.
Embodiment 5:
This surface treatment agent is prepared from (mass percentage) by following component proportion:
Wherein, the acrylic acid molecular structure of anaerobic glue is:
Anaerobic glue vinylformic acid adopts tetramethylolmethane and undeeanoic acid generation esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, catalyzer is 10wt% hydrochloric acid, reaction times is 10 hours, and temperature of reaction is 120 DEG C, then in the product of reaction gained, add vinylformic acid again, vinylformic acid and undeeanoic acid mol ratio are 1: 1, and temperature of reaction is 80 DEG C, and the time is 6 hours.
Wherein end group containing the silane coupling agent structural formula of isocyanic acid is:
Wherein end group containing the structural formula of the silane coupling agent of vinyl is:
The preparation method of this surface treatment agent is:
1, first by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group containing the silane coupling agent of vinyl, benzene-toluene-xylene (mass ratio is 1: 1: 1), anaerobic glue vinylformic acid mixing stirring in a kettle.;
2, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.;
3, the cyclohexanone peroxide adding formula ratio mixes, and then constructs, and is coated on silicone tape internal surface.
Embodiment effect: being used for LNG ship urethane foam transverse direction with shearing resistance when longitudinally boning by the organo-silicone rubber thin slice of this surface treatment agent process is 23MPa.
Described embodiment, only for illustration of technical solution of the present invention, is not limited to the present invention.
Claims (6)
1., for LNG ship polyurethane foam pipe transverse direction and a surface treatment agent for longitudinal junction silicone tape, it is characterized in that, comprise the component of following mass percent:
Wherein, described end group has following molecular structural formula containing the silane coupling agent of isocyano:
n is the integer of 2 ~ 10;
Described end group has following molecular structural formula containing the silane coupling agent of vinyl:
n is the integer of 2 ~ 10.
2. surface treatment agent according to claim 1, is characterized in that, described initiator is cyclohexanone peroxide.
3. surface treatment agent according to claim 1, is characterized in that, described solvent is the mixed solvent of any one or they in benzene, toluene and dimethylbenzene.
4. surface treatment agent according to claim 1, is characterized in that, described reaction suppressor is tert-butyl phenol.
5. surface treatment agent according to claim 1, is characterized in that, described binding agent is the anaerobic glue vinylformic acid with ultra-low surface tension, and its molecular structure is:
Wherein, R is the alkyl of 8 ~ twelve carbon atom, and described anaerobic glue vinylformic acid adopts tetramethylolmethane and longer chain fatty acid generation esterification, the mol ratio of tetramethylolmethane and longer chain fatty acid is 1: 2, catalyzer is 10wt% hydrochloric acid, and the reaction times is 10 hours, and temperature of reaction is 120 DEG C, then in the product of reaction gained, add vinylformic acid again, add vinylformic acid feed ratio and do reference with longer chain fatty acid, its consumption mol ratio mol ratio is 1: 1, temperature of reaction is 80 DEG C, and the time is 6 hours.
6. the preparation method of surface treatment agent according to claim 1, is characterized in that, comprises the steps:
(1) first respectively by the end group of formula ratio containing the silane coupling agent of isocyanic acid, end group is containing the silane coupling agent of vinyl, solvent and binding agent mixing and stir in a kettle.;
(2) reaction suppressor of formula ratio is added in said mixture, and stir in a kettle.;
(3) initiator adding formula ratio mixes and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799273.7A CN104449421B (en) | 2014-12-18 | 2014-12-18 | Surface treating agent of organic silica gel belt for transverse and longitudinal joints of LNG ship polyurethane foam tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799273.7A CN104449421B (en) | 2014-12-18 | 2014-12-18 | Surface treating agent of organic silica gel belt for transverse and longitudinal joints of LNG ship polyurethane foam tube |
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| Publication Number | Publication Date |
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| CN104449421A true CN104449421A (en) | 2015-03-25 |
| CN104449421B CN104449421B (en) | 2017-02-01 |
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| CN201410799273.7A Expired - Fee Related CN104449421B (en) | 2014-12-18 | 2014-12-18 | Surface treating agent of organic silica gel belt for transverse and longitudinal joints of LNG ship polyurethane foam tube |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040122142A1 (en) * | 2002-12-12 | 2004-06-24 | Noriyuki Meguriya | Addition curing silicone rubber composition and pressure-sensitive adhesive rubber sheet |
| CN101787210A (en) * | 2010-01-29 | 2010-07-28 | 张启发 | Production method and production line of silicone adhesive |
| CN102010689A (en) * | 2010-11-18 | 2011-04-13 | 北京天山新材料技术股份有限公司 | Isocyanate modified two-component silicon rubber adhesive and preparation method thereof |
| CN103665882A (en) * | 2012-09-19 | 2014-03-26 | 浙江三元电子科技有限公司 | Heat conduction silicon rubber composite material, heat conduction silicon sheet and preparation method of heat conduction silicon sheet |
-
2014
- 2014-12-18 CN CN201410799273.7A patent/CN104449421B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040122142A1 (en) * | 2002-12-12 | 2004-06-24 | Noriyuki Meguriya | Addition curing silicone rubber composition and pressure-sensitive adhesive rubber sheet |
| CN101787210A (en) * | 2010-01-29 | 2010-07-28 | 张启发 | Production method and production line of silicone adhesive |
| CN102010689A (en) * | 2010-11-18 | 2011-04-13 | 北京天山新材料技术股份有限公司 | Isocyanate modified two-component silicon rubber adhesive and preparation method thereof |
| CN103665882A (en) * | 2012-09-19 | 2014-03-26 | 浙江三元电子科技有限公司 | Heat conduction silicon rubber composite material, heat conduction silicon sheet and preparation method of heat conduction silicon sheet |
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| CN104449421B (en) | 2017-02-01 |
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