CN102926212A - Water-based coating adhesive with high elasticity used for cotton and linen fabrics and preparation method thereof - Google Patents

Water-based coating adhesive with high elasticity used for cotton and linen fabrics and preparation method thereof Download PDF

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Publication number
CN102926212A
CN102926212A CN2012104262574A CN201210426257A CN102926212A CN 102926212 A CN102926212 A CN 102926212A CN 2012104262574 A CN2012104262574 A CN 2012104262574A CN 201210426257 A CN201210426257 A CN 201210426257A CN 102926212 A CN102926212 A CN 102926212A
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water
polyurethane resin
polyurethane
coating adhesive
emulsion
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CN102926212B (en
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荣星
李刚
董明东
唐丽
杨文堂
宋明志
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Liaoning Sunichem Co Ltd
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Liaoning Sunichem Co Ltd
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Abstract

The invention relates to water-based coating adhesive with high elasticity used for cotton and linen fabrics. The water-based coating adhesive is characterized by being prepared from the following raw materials in weight ratio: 150-200 of octamethylcyclotetrasiloxane, 15-40 of dodecylbenzene sulfonic acid, 1-10 of gamma-aminopropyl triethoxy silane, 1-10 of gamma-glycidoxy propyl trimethoxy silane, and 400-600 of deionized water. A preparation method of the water-based coating adhesive comprises the following steps of: conducting polymerization and neutralization by emulsion, adding 150-230 of polyurethane resin finishing agent, using a water-based polyurethane thickener for thickening, adding 15-38 of polymethylhydrosiloxane and 15-38 of dibutyl tin dilaurate emulsion, and evenly stirring. The water-based coating adhesive has the characteristics of high resilience, wrinkle resistance and smoothness, also can be used for improving the softness and washing durability of the cotton and linen fabrics, and is safe in use and good in environmental friendliness.

Description

A kind of for the high-elastic coating adhesive of water-based and preparation method cotton, the pitted skin material
Technical field
What the present invention relates to is a kind of high-elastic coating adhesive of water-based for cotton, pitted skin material and preparation method thereof.The key component of this coating adhesive is the modified polyorganosiloxanes of high molecular weight, by being mixed itself and polyurethane resin, crosslinking agent and catalyst, can make cotton, pitted skin material after the coating have high resilience, wrinkle resistance, and soft smooth, tearing brute force obviously improves, and has given fabric new feel style, thereby has greatly improved the added value of fabric.
Background technology
About the high-elastic coating adhesive of water-based of cotton, pitted skin material there are no patent and bibliographical information.Mostly high-elastic coating adhesive is the high-elastic coating adhesive of solvent-type organosilicon in the market, liked by the client because it has high-elastic, well-pressed, smooth unique hand feeling style.But weak point is the afterwards peculiar feel style meeting of the fabric process washing degradation after being coated with, and 70%-90% be solvent toluene in the solvent adhesive, toluene is dried by the fire after the coating, not only cause the waste of resource, contaminated environment, if misoperation fire or blast, thereby cause the loss of personnel and property.
Summary of the invention
The objective of the invention is to provide for the deficiency that overcomes above-mentioned prior art existence a kind of high-elastic coating adhesive of water-based of function admirable; it is except having the high resilience of solvent adhesive; wrinkle resistance; outside the characteristics such as slipping; can also improve flexibility and the washing resistance of cotton, pitted skin material; replace solvent effectively to reduce cost of material with water simultaneously, protection of the environment guarantees the safety of producing.
The present invention is used for the high-elastic coating adhesive of water-based of cotton, pitted skin material, the raw material weight ratio:
Octamethylcy-clotetrasiloxane 150~200,
DBSA 15~40,
Gamma-aminopropyl-triethoxy-silane 1~10,
γ-glycidyl ether oxygen propyl trimethoxy silicane 1~10,
Deionized water 400~600, through emulsion polymerisation, neutralization,
Add polyurethane resin finishing agent 150~230,
The thickening of use polyurethane thickener,
Add the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6%, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs,
The technical indicator of product:
Outward appearance: white thick liquid,
Solid content: (30 ± 2) %,
Viscosity: 2000-3500mpa.s,
The pH value: 6 ± 1,
Ionic: the moon.
Owing to the shelf-life that affiliation affects product that adds of containing hydrogen silicone oil and dibutyl tin laurate emulsion, so preferably add again in use.
The technical indicator of the product after not adding the front product of containing hydrogen silicone oil and dibutyl tin laurate emulsion and adding hydrogen content silicone oil and dibutyl tin laurate emulsion does not change, and mainly is to affect the variation of viscosity between 2000-3500mpa.s.Little on the solid content impact, substantially in solid content (30 ± 2) % scope.
Described polyurethane resin finishing agent comprises: open up the polyurethane resin NANO PU of the company of receiving, the polyurethane resin SLK of German Rudoiph company, the polyurethane resin FS-550 of Liaoning Sunichem Co., Ltd..One or two kinds of mixing are used.
Described aqueous polyurethane thickener comprises: the polyurethane thickener CA-908 of Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, and the polyurethane thickener PUR-50 of the loyal chemical industry in Shanghai, the polyurethane thickener MA-2 of the safe chemical industry of Nantong break, one or two kinds of mixing are used.
Add the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6% during use, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs and gets final product.
The preparation method that the present invention is used for the high-elastic coating adhesive of water-based of cotton, pitted skin material is:
1, with octamethylcy-clotetrasiloxane 150~200 grams, DBSA 15~40 grams, gamma-aminopropyl-triethoxy-silane 1~10 gram, γ-glycidyl ether oxygen propyl trimethoxy silicane 1~10 gram, deionized water 400~600 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30~40Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, under 65~70 ℃ of conditions, react and carried out emulsion polymerisation in 10~12 hours, then be cooled to 5~20 ℃ and continue reaction 3~5 hours, transfer to pH=7 with mass percent 10% aqueous sodium carbonate;
2, add polyurethane resin finishing agent 150~230 grams under the normal temperature in step 1 products therefrom, then to transfer to viscosity be 2000~3500 mpa.s to the use polyurethane thickener.
3, add the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6%, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs and gets final product.
Because the affiliation that adds of containing hydrogen silicone oil and dibutyl tin laurate emulsion affects the shelf-life of product, so preferably join again in use in the product that step 2 obtains.
Described polyurethane resin finishing agent can be selected: open up the polyurethane resin NANO PU of the company of receiving, the polyurethane resin SLK of German Rudoiph company, the polyurethane resin FS-550 of Liaoning Sunichem Co., Ltd..One or two kinds of mixing are used.
Described aqueous polyurethane thickener can be selected: the polyurethane thickener CA-908 of Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, and the polyurethane thickener PUR-50 of the loyal chemical industry in Shanghai, the polyurethane thickener MA-2 of the safe chemical industry of Nantong break, one or two kinds of mixing are used.
Compared with prior art, the high-elastic coating adhesive technical advance of the water-based of cotton of the present invention, pitted skin material is:
1, in the high-elastic coating adhesive of water-based of cotton of the present invention, pitted skin material, at first we select emulsion polymerisation process, the silane coupler that will contain amino silane coupler and epoxy radicals reacts with silicone intermediate simultaneously, makes the modified polyorganosiloxanes of high molecular weight.And the high-elastic glue of solvent type organosilicon is the method that adopts bulk polymerization, if introduce the silane coupler of the tri-alkoxy that contains amino or epoxy radicals in synthetic, is easy to cross-linking reaction occurs and makes the modified polyorganosiloxanes gel.Because the present invention introduces amino in the polysiloxane molecule, can make that flexibility, slipping and the tearing brute force of fabric improves greatly after the coating, simultaneously the structure of the tri-alkoxy in the coupling agent can increase the self-crosslinking of product itself, can effectively improve elasticity and the wrinkle resistance of fabric after the coating.
2, the high-elastic coating adhesive of water-based of cotton of the present invention, pitted skin material by composite polyurethane resin finishing agent can further improve coating adhesive on fabric elasticity and with the binding strength of fabric.Because selected several waterborne polyurethane resins all have the rubber membrane sense, be again pyrolysis closed form polyurethane simultaneously, after the heating-the NCO group can with cotton, pitted skin material on-cross-linking reaction further occurs, can effectively improve the washing resistance of coating fabric in OH.
3, the high-elastic coating adhesive of the water-based of cotton of the present invention, pitted skin material adopts water to replace solvent toluene, and the cost of material of the product that effectively reduces has prevented the pollution on the environment owing to the volatilization of a large amount of toluene, has avoided the potential safety hazard in the coating production.
Embodiment 1
1, with octamethylcy-clotetrasiloxane 150 gram, DBSA 22.5 grams, gamma-aminopropyl-triethoxy-silane 1.5 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 7.5 grams, deionized water 424 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 12 hours under 65 ℃ of conditions, then be cooled to 15 ℃ and continue reaction 3 hours, transfer to pH=7 with mass percent 10% aqueous sodium carbonate.
2, add polyurethane resin NANO PU 180 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener CA-908 is 2500 mpa.s.
3, high containing hydrogen silicone oil 24.5 grams that in above-mentioned products therefrom, add hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 20 grams of mass percent 18-20%, use stirs.
Embodiment 2
1, with octamethylcy-clotetrasiloxane 200 gram, DBSA 36 grams, gamma-aminopropyl-triethoxy-silane 8 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 1.6 grams, deionized water 573 grams stir and this mixed liquor logical going in the high pressure homogenizer of 40Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 10 hours under 70 ℃ of conditions, then be cooled to 10 ℃ and continue reaction 5 hours, transfer to pH=7 with 10% aqueous sodium carbonate.
2, add polyurethane resin NANO PU 230 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener MA-2 is 3000 mpa.s.
3, high containing hydrogen silicone oil 31.5 grams that in above-mentioned products therefrom, add hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 24.5 grams of mass percent 18-20%, use stirs.
Embodiment 3
1, with octamethylcy-clotetrasiloxane 189 gram, DBSA 15 grams, gamma-aminopropyl-triethoxy-silane 4.7 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 5 grams, deionized water 454 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 12 hours under 65 ℃ of conditions, then be cooled to 5 ℃ and continue reaction 3 hours, transfer to pH=7 with 10% aqueous sodium carbonate.
2, add polyurethane resin NANO PU 167 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener PUR-50 is 3500 mpa.s.
3, in above-mentioned products therefrom, add high containing hydrogen silicone oil 25 grams of hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 33 grams of mass percent 18-20%, use stirs.
Embodiment 4
1, with octamethylcy-clotetrasiloxane 150 gram, DBSA 22.5 grams, gamma-aminopropyl-triethoxy-silane 2 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 7.5 grams, deionized water 424 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 12 hours under 65 ℃ of conditions, then be cooled to 15 ℃ and continue reaction 3 hours, transfer to pH=7 with 10% aqueous sodium carbonate.
2, add polyurethane resin SLK 180 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener CA-908 is 2500 mpa.s.
3, high containing hydrogen silicone oil 24.5 grams that in above-mentioned products therefrom, add hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 20 grams of mass percent 18-20%, use stirs.
Embodiment 5
1, with octamethylcy-clotetrasiloxane 200 gram, DBSA 36 grams, gamma-aminopropyl-triethoxy-silane 8 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 1.6 grams, deionized water 573 grams stir and this mixed liquor logical going in the high pressure homogenizer of 40Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 10 hours under 70 ℃ of conditions, then be cooled to 10 ℃ and continue reaction 5 hours, transfer to pH=7 with 10% aqueous sodium carbonate.
2, add polyurethane resin SLK 230 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener MA-2 is 3000 mpa.s.
3, high containing hydrogen silicone oil 31.5 grams that in above-mentioned products therefrom, add hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 24.5 grams of mass percent 18-20%, use stirs.
Embodiment 6
1, with octamethylcy-clotetrasiloxane 189 gram, DBSA 15 grams, gamma-aminopropyl-triethoxy-silane 4.7 grams, γ-glycidyl ether oxygen propyl trimethoxy silicane 5 grams, deionized water 454 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, emulsion polymerisation was carried out in reaction in 12 hours under 65 ℃ of conditions, then be cooled to 5 ℃ and continue reaction 3 hours, transfer to pH=7 with 10% aqueous sodium carbonate.
2, add polyurethane resin FS-550 167 grams under the normal temperature in step 1 products therefrom, then transferring to viscosity with polyurethane thickener PUR-50 is 3500 mpa.s.
3, high containing hydrogen silicone oil 25 grams that in above-mentioned products therefrom, add hydrogen content 1.5-1.6%, dibutyl tin laurate emulsion 33 grams of mass percent 18-20%, use stirs.
The properties of product test:
Be that pure-cotton fabric and the specification of 40*40,133*72 is that 21S*21S, 52*53 flax fabric carry out coating in specification simultaneously with embodiment and Comparative Examples, the control coating weight is 25 gram/m- 2, dry under 100 ℃ of conditions, 170 ℃ bake 1min.
Test result is as follows:
The evaluation of pliability is as the criterion to the comprehensive evaluation result of feel with 6 people, ++ ++ for best ,+for the poorest.
Creasy recovery angle is pressed the GB/T3819-1997 test
Comparative Examples 1 used product is the high-elastic coating adhesive FS-850U of Liaoning Sunichem Co., Ltd.'s solvent-borne type.
As can be seen from the above table, the flexibility of the fabric after the embodiment coating is better than Comparative Examples 1.Although the creasy recovery angle of the fabric after Comparative Examples 1 coating is close with embodiment before washing, wash 5 times after, its creasy recovery angle obviously reduces.

Claims (7)

1. be used for the high-elastic coating adhesive of water-based cotton, the pitted skin material, it is characterized in that:
The raw material weight ratio,
Octamethylcy-clotetrasiloxane 150~200,
DBSA 15~40,
Gamma-aminopropyl-triethoxy-silane 1~10,
γ-glycidyl ether oxygen propyl trimethoxy silicane 1~10,
Deionized water 400~600, through emulsion polymerisation, neutralization,
Add polyurethane resin finishing agent 150~230,
The thickening of use polyurethane thickener,
The technical indicator of product:
Outward appearance: white thick liquid,
Solid content: (30 ± 2) %,
Viscosity: 2000-3500mpa.s,
The pH value: 6 ± 1,
Ionic: the moon.
2. the high-elastic coating adhesive of water-based of cotton according to claim 1, pitted skin material is characterized in that:
Described polyurethane resin finishing agent is: open up the polyurethane resin NANO PU of the company of receiving, the polyurethane resin SLK of German Rudoiph company, the polyurethane resin FS-550 one of Liaoning Sunichem Co., Ltd.;
Described aqueous polyurethane thickener is: the polyurethane thickener CA-908 of Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, and the polyurethane thickener PUR-50 of the loyal chemical industry in Shanghai, the polyurethane thickener MA-2 of the safe chemical industry of Nantong break, one or two kinds of mixing are used.
3. the high-elastic coating adhesive of water-based of cotton according to claim 1, pitted skin material, it is characterized in that: add the raw material weight ratio during use: the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6%, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs.
4. be used for the high-elastic coating adhesive of water-based cotton, the pitted skin material, it is characterized in that:
The raw material weight ratio,
Octamethylcy-clotetrasiloxane 150~200,
DBSA 15~40,
Gamma-aminopropyl-triethoxy-silane 1~10,
γ-glycidyl ether oxygen propyl trimethoxy silicane 1~10,
Deionized water 400~600, through emulsion polymerisation, neutralization,
Add polyurethane resin finishing agent 150~230,
The thickening of use polyurethane thickener,
Add the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6%, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs,
The technical indicator of product:
Outward appearance: white thick liquid,
Solid content: (30 ± 2) %,
Viscosity: 2000-3500mpa.s,
The pH value: 6 ± 1,
Ionic: the moon.
5. the high-elastic coating adhesive of water-based of cotton according to claim 4, pitted skin material is characterized in that:
Described polyurethane resin finishing agent is: open up the polyurethane resin NANO PU of the company of receiving, the polyurethane resin SLK of German Rudoiph company, the polyurethane resin FS-550 one of Liaoning Sunichem Co., Ltd.;
Described aqueous polyurethane thickener is: the polyurethane thickener CA-908 of Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, and the polyurethane thickener PUR-50 of the loyal chemical industry in Shanghai, the polyurethane thickener MA-2 of the safe chemical industry of Nantong break, one or two kinds of mixing are used.
6. be used for the preparation method of the high-elastic coating adhesive of water-based of cotton, pitted skin material, it is characterized in that:
(1), with octamethylcy-clotetrasiloxane 150~200 grams, DBSA 15~40 grams, gamma-aminopropyl-triethoxy-silane 1~10 gram, γ-glycidyl ether oxygen propyl trimethoxy silicane 1~10 gram, deionized water 400~600 grams stir and this mixed liquor logical going in the high pressure homogenizer of 30~40Mpa are made emulsion, then join in the reactor of being furnished with condenser and agitating device, under 65~70 ℃ of conditions, react and carried out emulsion polymerisation in 10~12 hours, then be cooled to 5~20 ℃ and continue reaction 3~5 hours, transfer to pH=7 with mass percent 10% aqueous sodium carbonate;
(2), in step 1 products therefrom, add polyurethane resin finishing agent 150~230 grams under the normal temperature, then the use polyurethane thickener to transfer to viscosity be 2500~3500 mpa.s;
(3), add the high containing hydrogen silicone oil 15~38 of hydrogen content 1.5%~1.6%, the dibutyl tin laurate emulsion 15~38 of mass percent 18%~20% stirs;
Because the affiliation that adds of silicone oil and dibutyl tin laurate emulsion affects the shelf-life of product, so preferably add in use in the product that step 2 obtains.
7. the preparation method of the high-elastic coating adhesive of water-based of cotton according to claim 6, pitted skin material is characterized in that:
Described polyurethane resin finishing agent is: open up the polyurethane resin NANO PU of the company of receiving, the polyurethane resin SLK of German Rudoiph company, the polyurethane resin FS-550 of Liaoning Sunichem Co., Ltd., one;
Described aqueous polyurethane thickener is: the polyurethane thickener CA-908 of Guangzhou Xuan Ning Chemical Industry Science Co., Ltd, and the polyurethane thickener PUR-50 of the loyal chemical industry in Shanghai, the polyurethane thickener MA-2 of the safe chemical industry of Nantong break, one or two kinds of mixing are used.
CN201210426257.4A 2012-10-31 2012-10-31 Water-based coating adhesive with high elasticity used for cotton and linen fabrics and preparation method thereof Active CN102926212B (en)

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Cited By (2)

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CN103741326A (en) * 2013-12-17 2014-04-23 江苏金太阳纺织科技有限公司 Method for preparing wear-proof cotton and linen fabric
CN113957724A (en) * 2021-12-01 2022-01-21 辽宁恒星精细化工有限公司 Textile water-based organic silicon high-elastic coating adhesive and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103741326A (en) * 2013-12-17 2014-04-23 江苏金太阳纺织科技有限公司 Method for preparing wear-proof cotton and linen fabric
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CN113957724A (en) * 2021-12-01 2022-01-21 辽宁恒星精细化工有限公司 Textile water-based organic silicon high-elastic coating adhesive and preparation method thereof
CN113957724B (en) * 2021-12-01 2024-02-20 辽宁恒星精细化工有限公司 Water-based organic silicon high-elasticity coating adhesive for textiles and preparation method thereof

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