CN104449421B - 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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- CN104449421B CN104449421B CN201410799273.7A CN201410799273A CN104449421B CN 104449421 B CN104449421 B CN 104449421B CN 201410799273 A CN201410799273 A CN 201410799273A CN 104449421 B CN104449421 B CN 104449421B
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- surface treating
- treating agent
- conditioning agent
- surface conditioning
- acrylic acid
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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, and in particular to a kind of surface conditioning agent technology, especially relates to one kind and is used for lng
The surface conditioning agent of organic silicon rubber thin slice laterally and longitudinally used by ship polyurethane foam pipe.
Background technology
Make with to liquid gas (as liquefied natural gas lng, liquefied petroleum gas lpg, liquefied ethylene, liquid oxygen, liquid nitrogen etc.)
With the sharp increase of demand, the use of the heat-insulating property of material is to need constantly to improve about lng hull, to eliminate lng in fortune
Hidden danger during defeated.In lng technology, for preventing insulation material chilling and anxious heat, typically insulation material is made upper and lower two
Individual housing, is incubated between housing by the way of foam filled, but traditional material two connecting portions because
It is not have external application connecting material to be fixed, lead to increase process in unloading liquefied gas number of times, along the interface shape of packing material
Become cracking, along this gap, lose heat insulation effect.For solving this problem, we are in low temperature resistant organic of one layer of glued on top
Silicone band, but because silicone tape is larger with the performance difference of polyurethane, adhesive property can not fully meet requirement, because
This, the adhesive property improving adhesive tape becomes the technical issues that need to address.
Content of the invention
Goal of the invention: for solving problems of the prior art, the present invention provides one kind to be used for lng ship polyurethane foam
Manage the surface conditioning agent of laterally and longitudinally junction silicone tape, for improving the adhesive property of adhesive tape.
Technical scheme: for realizing above-mentioned technical purpose, the present invention propose a kind of for lng ship polyurethane foam pipe laterally with
The surface conditioning agent of longitudinally connected place silicone tape, including the component of following mass percent:
Wherein, described end group contains the silane coupler of isocyano and has a following molecular structural formula:
N is 2～10 integer；
The silane coupler that described end group contains vinyl has a following molecular structural formula:
N is 2～10 integer.
Preferably, described initiator is cyclohexanone peroxide.
Preferably, described solvent be benzene, any one or their mixed solvent in toluene and dimethylbenzene.
Described reaction suppressor is tert-butyl phenol.
Described binding agent refers to the anaerobic adhesive acrylic acid with ultra-low surface tension, and its molecular structure is:
Wherein, r is the alkyl of 8～twelve carbon atom, and described anaerobic adhesive acrylic acid is sent out with long-chain fatty acid using tetramethylolmethane
Raw esterification, tetramethylolmethane is 1: 2 with the mol ratio of long-chain fatty acid, and catalyst is 10wt% hydrochloric acid, and the response time is 10
Hour, reaction temperature is 120 DEG C, then in the product of reaction gained, adds acrylic acid, adds acrylic acid rate of charge with length
Chain fatty acid does reference, and its consumption mol ratio mol ratio is 1: 1, and reaction temperature is 80 DEG C, and the time is 6 hours.
The present invention proposes the preparation method of above-mentioned surface conditioning agent simultaneously, comprises the steps:
(1) first the end group of formula ratio is contained the silane coupler of Carbimide., end group contains the silane coupler of vinyl, solvent
Stir with binding agent mixing and in a kettle.；
(2) reaction suppressor of formula ratio is added in said mixture, and stir in a kettle.；
(3) the initiator mix homogeneously of formula ratio is added to obtain final product.
When using, the surface conditioning agent of preparation is coated on silicone tape inner surface.
Beneficial effect: compared with prior art, the surface conditioning agent preparation method of the present invention is simple, easily realizes, when with
This surface conditioning agent be used for lng ship polyurethane foam pipe laterally and longitudinally junction silicone tape when, easy and simple to handle, and have
Machine silicone rubber thin slice is improved with the surface wettability of polyurethane foam plastics, thus having high shear strength and resistance to water.
Specific embodiment
Embodiment 1:
This surface conditioning agent is prepared from (weight/mass percentage composition) by following component proportion:
In the present embodiment, the acrylic acid molecular structure of anaerobic adhesive is:
Wherein, anaerobic adhesive acrylic acid adopts the acid of tetramethylolmethane and certain herbaceous plants with big flowers that esterification occurs, tetramethylolmethane and certain herbaceous plants with big flowers acid mole
For 1: 2, catalyst is 10wt% hydrochloric acid to ratio, and the response time is 10 hours, and reaction temperature is 120 DEG C, then in reaction gained
In product, add acrylic acid, acrylic acid is 1: 1 with the mol ratio of certain herbaceous plants with big flowers acid, and reaction temperature is 80 DEG C, and the time is 6 hours.
The silane coupler structural formula that wherein end group contains Carbimide. is:
The structural formula that wherein end group contains the silane coupler of vinyl is:
The preparation method of this surface conditioning agent is:
1st, first the end group of formula ratio is contained the silane coupler of Carbimide., end group contains the silane coupler of vinyl, diformazan
Benzene, the mixing of anaerobic adhesive acrylic acid simultaneously stir in a kettle.；
2nd, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.；
3rd, add cyclohexanone peroxide mix homogeneously, then construct, be coated on silicone tape inner surface.
Embodiment effect: the organic silicon rubber thin slice being processed by this surface conditioning agent is moulded for lng ship polyurethane foam
When material laterally and longitudinally bonds, shear strength is 20mpa.
Embodiment 2:
This surface conditioning agent is prepared from (weight/mass percentage composition) by following component proportion:
In the present embodiment, the acrylic acid molecular structure of anaerobic adhesive is:
Wherein, anaerobic adhesive acrylic acid adopts tetramethylolmethane, with lauric acid/dodecanoic acid, esterification, tetramethylolmethane and long-chain fat occur
The mol ratio of acid is 1: 2, and catalyst is 10wt hydrochloric acid, and the response time is 10 hours, and reaction temperature is 120 DEG C, then in reaction
In the product of gained, add acrylic acid, acrylic acid and lauric acid/dodecanoic acid mol ratio 1: 1, reaction temperature is 80 DEG C, the time is 6 hours.
The silane coupler structural formula that wherein end group contains Carbimide. is:
The structural formula that wherein end group contains the silane coupler of vinyl is:
The preparation method of this surface conditioning agent is:
1st, first the end group of formula ratio is contained the silane coupler of Carbimide., end group contains the silane coupler of vinyl, benzene-first
Benzene (mass ratio 1: 1), the mixing of anaerobic adhesive acrylic acid simultaneously stir in a kettle.；
2nd, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.；
3rd, add the cyclohexanone peroxide mix homogeneously of formula ratio, then construct, be coated on silicone tape inner surface.
Embodiment effect: the organic silicon rubber thin slice being processed by this surface conditioning agent is moulded for lng ship polyurethane foam
When material laterally and longitudinally bonds, shear strength is 24mpa.
Embodiment 3:
This surface conditioning agent is prepared from (weight/mass percentage composition) by following component proportion:
Wherein, the acrylic acid molecular structure of anaerobic adhesive is:
Anaerobic adhesive acrylic acid adopts tetramethylolmethane, with undecanoic acid, esterification occurs, and tetramethylolmethane is rubbed with long-chain fatty acid
Your ratio is 1: 2, and catalyst is 10wt% hydrochloric acid, and the response time is 10 hours, and reaction temperature is 120 DEG C, then in reaction gained
Product in, add acrylic acid, acrylic acid and undecanoic acid mol ratio are 1: 1, and reaction temperature is 80 DEG C, the time is 6 hours.
The silane coupler structural formula that wherein end group contains Carbimide. is:
The structural formula that wherein end group contains the silane coupler of vinyl is:
The preparation method of this surface conditioning agent is:
1st, first the end group of formula ratio is contained the silane coupler of Carbimide., end group contains the silane coupler of vinyl, benzene-first
Benzene-dimethylbenzene (mass ratio is 1: 1: 1), the mixing of anaerobic adhesive acrylic acid simultaneously stir in a kettle.；
2nd, the tert-butyl phenol of formula ratio is added in said mixture, and stir in a kettle.；
3rd, add the cyclohexanone peroxide mix homogeneously of formula ratio, then construct, be coated on silicone tape inner surface.
Embodiment effect: the organic silicon rubber thin slice being processed by this surface conditioning agent is moulded for lng ship polyurethane foam
When material laterally and longitudinally bonds, shear strength is 23mpa.
Described embodiment is merely to illustrate technical solution of the present invention, is not limited to the present invention.
Claims (5)
1. a kind of surface conditioning agent for lng ship polyurethane foam pipe laterally and longitudinally junction silicone tape, it is special
Levy and be, including the component of following mass percent:
Wherein, described end group contains the silane coupler of isocyano and has a following molecular structural formula:
N is 2～10 integer；
The silane coupler that described end group contains vinyl has a following molecular structural formula:
N is 2～10 integer；
Described binding agent is the anaerobic adhesive acrylic acid with ultra-low surface tension, and its molecular structure is:
Wherein, r is the alkyl of 8～twelve carbon atom, and described anaerobic adhesive acrylic acid adopts tetramethylolmethane, with long-chain fatty acid, ester occurs
Change reaction, tetramethylolmethane is 1: 2 with the mol ratio of long-chain fatty acid, and catalyst is 10wt% hydrochloric acid, and the response time is 10 hours,
Reaction temperature is 120 DEG C, then in the product of reaction gained, adds acrylic acid, adds acrylic acid rate of charge with long-chain fat
Reference is done in fat acid, and its consumption mol ratio is 1: 1, and reaction temperature is 80 DEG C, and the time is 6 hours.
2. surface conditioning agent according to claim 1 is it is characterised in that described initiator is cyclohexanone peroxide.
3. surface conditioning agent according to claim 1 is it is characterised in that described solvent is in benzene, toluene and dimethylbenzene
Any one or their mixed solvent.
4. surface conditioning agent according to claim 1 is it is characterised in that described reaction suppressor is tert-butyl phenol.
5. the preparation method of the surface conditioning agent described in claim 1 is it is characterised in that comprise the steps:
(1) first respectively the end group of formula ratio is contained the silane coupler of Carbimide., end group contains the silane coupler of vinyl, solvent
Stir with binding agent mixing and in a kettle.；
(2) reaction suppressor of formula ratio is added in said mixture, and stir in a kettle.；
(3) the initiator mix homogeneously of formula ratio is added to obtain 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104449421A CN104449421A (en) | 2015-03-25 |
| CN104449421B true CN104449421B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3912525B2 (en) * | 2002-12-12 | 2007-05-09 | 信越化学工業株式会社 | Addition-curing silicone rubber composition and adhesive rubber sheet |
-
2014
- 2014-12-18 CN CN201410799273.7A patent/CN104449421B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Publication date |
|---|---|
| CN104449421A (en) | 2015-03-25 |
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Granted publication date: 20170201 Termination date: 20191218 |