CN113957724B - Water-based organic silicon high-elasticity coating adhesive for textiles and preparation method thereof - Google Patents
Water-based organic silicon high-elasticity coating adhesive for textiles and preparation method thereof Download PDFInfo
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- CN113957724B CN113957724B CN202111458034.1A CN202111458034A CN113957724B CN 113957724 B CN113957724 B CN 113957724B CN 202111458034 A CN202111458034 A CN 202111458034A CN 113957724 B CN113957724 B CN 113957724B
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- organosilicon high
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- 239000011248 coating agent Substances 0.000 title claims abstract description 54
- 238000000576 coating method Methods 0.000 title claims abstract description 54
- 239000000853 adhesive Substances 0.000 title claims abstract description 40
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 40
- 239000004753 textile Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 32
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 17
- 239000010703 silicon Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000839 emulsion Substances 0.000 claims abstract description 29
- 239000003054 catalyst Substances 0.000 claims abstract description 18
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 18
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 16
- 239000012875 nonionic emulsifier Substances 0.000 claims abstract description 16
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 14
- 239000002562 thickening agent Substances 0.000 claims abstract description 14
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 12
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 230000008719 thickening Effects 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000004593 Epoxy Substances 0.000 claims abstract description 7
- MBNZWTSAAPQLKH-UHFFFAOYSA-N [SiH3]N1CCNCC1 Chemical compound [SiH3]N1CCNCC1 MBNZWTSAAPQLKH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 238000005303 weighing Methods 0.000 claims abstract description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 16
- 150000002170 ethers Chemical class 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 15
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 15
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims description 10
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 9
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000004814 polyurethane Substances 0.000 claims description 9
- CTLDFURRFMJGON-UHFFFAOYSA-N dimethoxy-methyl-(3-piperazin-1-ylpropyl)silane Chemical group CO[Si](C)(OC)CCCN1CCNCC1 CTLDFURRFMJGON-UHFFFAOYSA-N 0.000 claims description 8
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 229910052797 bismuth Inorganic materials 0.000 claims description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 6
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical group CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 claims description 5
- MTEZSDOQASFMDI-UHFFFAOYSA-N 1-trimethoxysilylpropan-1-ol Chemical compound CCC(O)[Si](OC)(OC)OC MTEZSDOQASFMDI-UHFFFAOYSA-N 0.000 claims description 4
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 claims description 4
- PKTOVQRKCNPVKY-UHFFFAOYSA-N dimethoxy(methyl)silicon Chemical compound CO[Si](C)OC PKTOVQRKCNPVKY-UHFFFAOYSA-N 0.000 claims description 4
- 150000002191 fatty alcohols Chemical class 0.000 claims description 4
- ONJQDTZCDSESIW-UHFFFAOYSA-N polidocanol Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO ONJQDTZCDSESIW-UHFFFAOYSA-N 0.000 claims description 4
- ADJMNWKZSCQHPS-UHFFFAOYSA-L zinc;6-methylheptanoate Chemical compound [Zn+2].CC(C)CCCCC([O-])=O.CC(C)CCCCC([O-])=O ADJMNWKZSCQHPS-UHFFFAOYSA-L 0.000 claims description 4
- KCWYOFZQRFCIIE-UHFFFAOYSA-N ethylsilane Chemical compound CC[SiH3] KCWYOFZQRFCIIE-UHFFFAOYSA-N 0.000 claims 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000047 product Substances 0.000 description 32
- 239000004744 fabric Substances 0.000 description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 12
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 8
- 238000004132 cross linking Methods 0.000 description 7
- PKDCQJMRWCHQOH-UHFFFAOYSA-N triethoxysilicon Chemical compound CCO[Si](OCC)OCC PKDCQJMRWCHQOH-UHFFFAOYSA-N 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000007822 coupling agent Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 3
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 3
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 235000009120 camo Nutrition 0.000 description 3
- 235000005607 chanvre indien Nutrition 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000011487 hemp Substances 0.000 description 3
- 239000004816 latex Substances 0.000 description 3
- 229920000126 latex Polymers 0.000 description 3
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 229910008051 Si-OH Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 229910006358 Si—OH Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000007151 ring opening polymerisation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000012874 anionic emulsifier Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- YUXUHPPKFLTFSF-UHFFFAOYSA-N piperazine silane Chemical compound [SiH4].N1CCNCC1 YUXUHPPKFLTFSF-UHFFFAOYSA-N 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- IZRJPHXTEXTLHY-UHFFFAOYSA-N triethoxy(2-triethoxysilylethyl)silane Chemical compound CCO[Si](OCC)(OCC)CC[Si](OCC)(OCC)OCC IZRJPHXTEXTLHY-UHFFFAOYSA-N 0.000 description 1
- JCGDCINCKDQXDX-UHFFFAOYSA-N trimethoxy(2-trimethoxysilylethyl)silane Chemical compound CO[Si](OC)(OC)CC[Si](OC)(OC)OC JCGDCINCKDQXDX-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Abstract
The invention discloses a textile water-based organic silicon high-elasticity coating adhesive and a preparation method thereof, wherein the preparation method comprises the following steps: s1, weighing the following raw materials in parts by weight: 60-80 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 4-8 parts of dodecylbenzenesulfonic acid, 3-5 parts of nonionic emulsifier, 1-2 parts of epoxy silane coupling agent, 1-2 parts of piperazinyl silane coupling agent and 150-200 parts of water; s2, mixing and stirring the raw materials weighed in the step S1 uniformly, homogenizing under the environment of 30-40Mpa to prepare emulsion, cooling the emulsion to 5-10 ℃, standing for reaction for 24-48h, and then adjusting the pH value to 7-8 to obtain a first product; s3, adding a thickening agent into the first product, and thickening until the viscosity is 2000-3000 mPa.s at 25 ℃ to obtain a second product; s4, adding 6-9 parts of cross-linking agent and 3-5 parts of catalyst into the second product, and uniformly stirring to obtain the textile water-based organosilicon high-elasticity coating adhesive. The aqueous organosilicon high-elastic coating adhesive for textiles can effectively improve elasticity, crease resistance and fastness of the textiles.
Description
Technical Field
The invention relates to the technical field of textile coating processing, in particular to a textile water-based organic silicon high-elasticity coating adhesive and a preparation method thereof.
Background
The high-elasticity coating adhesive in the market at present is mostly solvent type organic silicon coating adhesive, and the coating style with high elasticity, stiffness and smooth hand feeling is dominant in the market; the coating has the defects that the coating contains a large amount of organic solvents such as toluene, ethyl acetate and the like, and the solvents are completely volatilized and lost after the coating is dried, so that the resource waste and the environmental pollution are caused, and the potential safety hazard is high; in addition, some aqueous organosilicon coating adhesive products are also available, the basic emulsion is mostly obtained by ring-opening polymerization of D4 (octamethyl cyclotetrasiloxane) and a coupling agent, and the products have a large amount of free volatile ring bodies such as D4 and the like and oligomer residues thereof, so that the elasticity and fastness of the emulsion after crosslinking and film forming are affected, and the increasingly severe environment-friendly requirements cannot be met.
Patent document CN111116916a discloses "a method for preparing hydroxyl silicone oil emulsion from Si-OH terminated dimethylsiloxane oligomer by emulsion polymerization", which aims to provide a method for preparing hydroxyl silicone oil emulsion from Si-OH terminated dimethylsiloxane oligomer as a raw material by emulsion polymerization with acid or base as a catalyst, which can inhibit or reduce equilibrium reaction, does not generate or reduce the generation of volatile epoxysilane, and reduces environmental pollution. The synthesized hydroxyl silicone oil emulsion does not use a silane coupling agent to generate a crosslinking structure, is only subjected to linear polymerization, has no other functional crosslinking groups except hydroxyl groups, cannot generate effective reticular crosslinking with the crosslinking agent, has no rebound resilience after being dried to form a film, and cannot be used as a basic emulsion of a fabric elastic coating.
The patent document CN102926212A discloses a water-based high-elasticity coating adhesive for cotton and hemp fabrics and a preparation method thereof, and aims to provide a modified polyorganosiloxane with high molar mass, wherein the modified polyorganosiloxane is mixed with polyurethane resin, a cross-linking agent and a catalyst, so that the coated cotton and hemp fabrics have high rebound resilience and wrinkle resistance, soft and smooth handfeel and obviously improved tearing strength. However, the mode adopted in the synthesis of the silicon emulsion is D4 ring opening, a large amount of D4 monomer remains in the emulsion, and the catalyst adopted in the crosslinking and curing of the coating adhesive is dibutyl tin dilaurate emulsion, which cannot meet the current latest environmental protection requirements.
Disclosure of Invention
Therefore, the embodiment of the invention provides a textile water-based organic silicon high-elasticity coating adhesive and a preparation method thereof, so as to solve the problems in the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
in a first aspect, the embodiment of the invention provides a preparation method of a textile water-based organic silicon high-elasticity coating adhesive, which comprises the following steps:
s1, weighing the following raw materials in parts by weight:
60-80 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 4-8 parts of dodecylbenzenesulfonic acid, 3-5 parts of nonionic emulsifier, 1-2 parts of epoxy silane coupling agent, 1-2 parts of piperazinyl silane coupling agent and 150-200 parts of water;
s2, mixing and stirring the raw materials weighed in the step S1 uniformly, homogenizing under the environment of 30-40Mpa to prepare emulsion, cooling the emulsion to 5-10 ℃, standing for reaction for 24-48h, and then adjusting the pH value to 7-8 to obtain a first product;
s3, adding a thickening agent into the first product, and thickening until the viscosity is 2000-3000 mPa.s at 25 ℃ to obtain a second product;
and S4, adding 6-9 parts of cross-linking agent and 3-5 parts of catalyst into the second product, and uniformly stirring to obtain the textile water-based organosilicon high-elasticity coating adhesive.
Preferably, in S1, the alpha, omega-dihydroxy-terminated polydimethylsiloxane has a viscosity of 50-120 mPa.s at 25℃and a hydroxyl content of 2.5% or less.
Preferably, in S1, the nonionic emulsifier is specifically one of fatty alcohol polyoxyethylene ether series, isomeric tridecanol polyoxyethylene ether series and isomeric tridecanol polyoxyethylene ether series; the fatty alcohol polyoxyethylene ether series comprises AEO-7 and AEO-9, the isomeric tridecanol polyoxyethylene ether series comprises XL-50 and XL-70, and the isomeric tridecanol polyoxyethylene ether series comprises TO-7 and TO-8.
Preferably, in S1, the epoxy silane coupling agent is one of gamma-glycidyl ether oxypropyl trimethoxy silane, gamma-glycidyl ether oxypropyl triethoxy silane and gamma-glycidyl ether oxypropyl methyl dimethoxy silane.
Preferably, in S1, the piperazinyl silane coupling agent is specifically γ -piperazinyl propyl methyl dimethoxy silane.
Preferably, in S2, the regulator used in adjusting the pH is a 10wt% aqueous sodium carbonate solution.
Preferably, in S3, the thickener is an aqueous polyurethane thickener, and specifically comprises one or more of PUR-50 and RM-8W, HT-820.
Preferably, in S4, the cross-linking agent is specifically one of 1, 2-bis trimethoxysilylethane and 1, 2-bis triethoxysilylethane.
Preferably, in S4, the catalyst is one of bismuth iso-octoate and zinc iso-octoate.
In a second aspect, the embodiment of the invention provides a textile water-based organic silicon high-elasticity coating adhesive, which is obtained by the preparation method.
Compared with the prior art, the invention has at least the following beneficial effects:
(1) In the embodiment of the invention, alpha, omega-dihydroxyl end-capped polydimethylsiloxane is selected as basic emulsion, belongs to low molecular weight linear hydroxyl silicone oil, is emulsified and polymerized with a coupling agent under the catalysis of acid, and undergoes a polycondensation reaction for a long time under a low temperature condition to generate high molar mass epoxy and amino modified hydroxyl-terminated polyorganosiloxane, so that compared with the traditional D4 ring-opening polymerization, the method greatly reduces the residues of ring monomers such as D4 and oligomers thereof, and can more meet the increasingly severe environmental protection requirements; the coupling agent is selected from epoxy silane coupling agent and piperazine silane coupling agent, can introduce epoxy group and amino group into emulsion macromolecule, can react with the crosslinking agent and active groups in the fabric, and improves the fastness of the coating adhesive on the fabric and the elasticity of the fabric; meanwhile, the amino groups in the selected piperazinyl silane coupling agent are secondary amino groups and tertiary amino groups with good stability, so that the softness, smoothness and tear resistance of the coated fabric can be improved, and the yellowing of the coated fabric generated by high-temperature drying can be obviously reduced.
(2) In the embodiment of the invention, the dodecylbenzene sulfonic acid can be used as an anionic emulsifier and can be used in cooperation with the added nonionic emulsifier when playing an acid catalysis role, molecules of the dodecylbenzene sulfonic acid and the nonionic emulsifier are alternately adsorbed on the surfaces of latex particles, nonionic emulsifiers are embedded between the ionic emulsifiers, so that the distance between the emulsifier ions on the surfaces of the latex particles is increased, and meanwhile, due to the electrostatic shielding effect of the nonionic emulsifiers, the electrostatic tension on the surfaces of the latex particles is reduced, and the adsorption fastness is increased; the ionic emulsifier stabilizes the emulsion mainly by electrostatic repulsion, the nonionic emulsifier mainly by hydration, and the performances of the ionic emulsifier and the nonionic emulsifier are complementary, so that the emulsion has large electrostatic repulsion on the surface of emulsion particles and can form a thick hydration layer, thereby enabling the polymer emulsion to have larger stability.
(3) In the embodiment of the invention, the selected cross-linking agent 1, 2-bis-trimethoxy silane or 1, 2-bis-triethoxy silane belongs to a novel bis-silane coupling agent, namely, two silane structures are arranged in the same molecular structure. Each molecule has 6 alkoxy groups which are double that of a common silane crosslinking agent, and the alkoxy groups are saturated and crosslinked with the hydroxyl groups in the synthetic emulsion and the polyalkoxy groups provided by the coupling agent, so that the crosslinking density of the coating adhesive can be improved, and the film forming elasticity can be improved; meanwhile, silanol formed after hydrolysis is more acidic than silanol formed by a common silane coupling agent, so that the silanol can form a firmer covalent bond with hydroxyl on the surface of the fabric, and is not easy to hydrolyze, thereby greatly improving the elasticity, crease resistance and fastness of the coated fabric.
(4) In the embodiment of the invention, the selected catalysts zinc iso-octoate and bismuth iso-octoate belong to environment-friendly catalysts, can replace organotin catalysts, have moderate open time in an aqueous system and mild catalytic rate, and the emulsion crosslinking effect after baking can completely reach the catalytic level of the traditional organotin.
(5) The aqueous organosilicon high-elasticity coating adhesive for textiles provided by the embodiment of the invention has the characteristics of high rebound resilience, wrinkle resistance, stiff and smooth hand feeling, smoothness and the like of solvent organosilicon coating adhesive, and simultaneously replaces the traditional organic solvent with water, thereby effectively reducing cost, reducing environmental pollution, ensuring production safety, and being free of volatile ring bodies such as D4 and the like, and meeting the latest environmental protection requirements.
(6) The aqueous organosilicon high-elasticity coating adhesive for textiles, provided by the embodiment of the invention, can enable the textiles to have high rebound resilience and wrinkle resistance when being used on the textiles, has smooth hand feeling and high elasticity and stiffness, and thus greatly improves the added value of the textiles.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," "fourth," and the like in the description and in the claims are used for distinguishing between indicated objects. For schemes with time sequence flows, such term expressions are not necessarily to be understood as describing a specific order or sequence, nor are such term expressions to distinguish between importance levels, positional relationships, etc. for schemes with device structures.
Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed but may include other steps or elements not expressly listed but inherent to such process, method, article, or apparatus or steps or elements that may be added based on a further optimization of the inventive concept.
In the embodiment of the present invention
(1) The raw materials were selected as follows:
the nonionic emulsifier is one of fatty alcohol polyoxyethylene ether series (AEO-7, AEO-9), isomeric tridecanol polyoxyethylene ether series (XL-50, XL-70) and isomeric tridecanol polyoxyethylene ether series (TO-7, TO-8);
the polyurethane thickener is one of PUR-50 (Shanghai loyal chemical industry), RM-8W (Rogowski), and HT-820 (Nantongtai chemical industry);
the cross-linking agent is one of 1, 2-bis trimethoxy silicon-based ethane or 1, 2-bis triethoxy silicon-based ethane.
(2) The technical indexes about the finished product are as follows:
appearance: white viscous liquid
The solid content: (30+ -2)%
Viscosity: 2000-3000 mPa.s (25 ℃ C.)
pH value: 6+ -1
Ionic nature: yin type.
Example 1
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 60 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 4 parts of dodecylbenzenesulfonic acid, 3 parts of a nonionic emulsifier (AEO-7), 1 part of gamma-piperazinyl propyl methyl dimethoxy silane and 1.4 parts of gamma-glycidol ether oxypropyl methyl dimethoxy silane are fully and uniformly stirred by 150 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced to 5 ℃ for standing reaction for 24 hours, and the pH value is regulated to 7-8 by 10 mass percent of sodium carbonate aqueous solution;
2. adding an aqueous polyurethane thickener PUR-50 into the product obtained in the step 1 at normal temperature, and thickening to a viscosity of 2000 mPa.s (25 ℃);
3. and (3) adding 6 parts of cross-linking agent 1, 2-bis trimethoxy silicon-based ethane and 3 parts of catalyst zinc isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
The addition of the cross-linking agent and the catalyst can lead the product to have certain use aging, so the step 3 is carried out again when the product is used to obtain the final product, and the product is suitable for being prepared and used.
Example 2
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 72 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 6 parts of dodecylbenzenesulfonic acid, 4 parts of a nonionic emulsifier (XL-50), 1.3 parts of gamma-piperazinyl propyl methyl dimethoxy silane and 1.7 parts of gamma-glycidol ether oxypropyl triethoxy silane are fully and uniformly stirred by 180 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced to 10 ℃ for standing reaction for 48 hours, and the pH value is regulated to 7-8 by 10% sodium carbonate aqueous solution by mass percent;
2. adding an aqueous polyurethane thickener PUR-50 into the product obtained in the step 1 at normal temperature, and thickening until the viscosity is 2500 mPa.s (25 ℃);
3. and (2) adding 8 parts of cross-linking agent 1, 2-bis trimethoxy silicon-based ethane and 4 parts of catalyst zinc isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
Example 3
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 80 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 8 parts of dodecylbenzenesulfonic acid, 5 parts of a nonionic emulsifier (TO-7), 1.6 parts of gamma-piperazinyl propyl methyl dimethoxy silane and 2 parts of gamma-glycidol ether oxypropyl trimethoxy silane are fully and uniformly stirred by 200 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced TO 5 ℃, the mixture is kept stand for reaction for 24 hours, and the pH value is regulated TO 7-8 by 10 mass percent of sodium carbonate aqueous solution;
2. adding an aqueous polyurethane thickener RM-8W into the product obtained in the step 1 at normal temperature, and thickening until the viscosity is 2800 mPa.s (25 ℃);
3. and (3) adding 9 parts of cross-linking agent 1, 2-bis trimethoxy silicon-based ethane and 5 parts of catalyst zinc isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
Example 4
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 60 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 4 parts of dodecylbenzenesulfonic acid, 3 parts of a nonionic emulsifier (AEO-9), 1.4 parts of gamma-piperazinyl propyl methyl dimethoxy silane and 1 part of gamma-glycidol ether oxypropyl methyl dimethoxy silane are fully and uniformly stirred by 150 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced to 10 ℃ for standing reaction for 24-48 hours, and the pH value is regulated to 7-8 by using 10% sodium carbonate aqueous solution by mass percent;
2. adding an aqueous polyurethane thickener RM-8W into the product obtained in the step 1 at normal temperature, and thickening until the viscosity is 2200 mPa.s (25 ℃);
3. and (3) adding 6 parts of cross-linking agent 1, 2-bis (triethoxy) silicon-based ethane and 3 parts of catalyst bismuth isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
Example 5
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 72 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 6 parts of dodecylbenzenesulfonic acid, 4 parts of a nonionic emulsifier (XL-70), 1.7 parts of gamma-piperazinyl propyl methyl dimethoxy silane and 1.3 parts of gamma-glycidol ether oxypropyl triethoxy silane are fully and uniformly stirred by 180 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced to 5 ℃ for standing reaction for 24 hours, and the pH value is regulated to 7-8 by 10 mass percent of sodium carbonate aqueous solution;
2. adding an aqueous polyurethane thickener HT-820 into the product obtained in the step 1 at normal temperature, and thickening to a viscosity of 2700 mPa.s (25 ℃);
3. and (2) adding 8 parts of cross-linking agent 1, 2-bis (triethoxy) silicon-based ethane and 4 parts of catalyst bismuth isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
Example 6
The embodiment provides a textile water-based organic silicon high-elasticity coating adhesive, which is prepared by the following steps:
1. 80 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 8 parts of dodecylbenzenesulfonic acid, 5 parts of a nonionic emulsifier (TO-8), 2 parts of gamma-piperazinyl propyl methyl dimethoxy silane and 1.6 parts of gamma-glycidol ether oxypropyl trimethoxy silane are fully and uniformly stirred by 200 parts of deionized water, the mixed solution is prepared into emulsion by one step in a high-pressure homogenizer with the working pressure of 30-40Mpa, then the temperature is reduced TO 10 ℃, the mixture is kept stand for reaction for 48 hours, and the pH value is regulated TO 7-8 by 10 mass percent of sodium carbonate aqueous solution;
2. adding an aqueous polyurethane thickener HT-820 into the product obtained in the step 1 at normal temperature, and thickening to a viscosity of 3000 mPa.s (25 ℃);
3. and (2) adding 8 parts of cross-linking agent 1, 2-bis (triethoxy) silicon-based ethane and 4 parts of catalyst bismuth isooctanoate into the product obtained in the step (2), and uniformly stirring to obtain the product.
Product performance test:
coating the pure cotton base cloth (40 x 40/133 x 72 twill) and hemp-sticky (7 s) base cloth which are not subjected to water splashing prevention treatment in examples 1-6 and comparative examples 1-2 respectively, and controlling the coating amount to be 20+/-2 g/m 2 Then baking for 2 minutes at 160-170 ℃; the product used in comparative example 1 is a solvent-borne coating adhesive FS-950B sold commercially by certain companies; the product used in comparative example 2 was a commercial aqueous high-elastic coating adhesive FS-855E from a company.
The test results are shown in the following tables 1 and 2, wherein table 1 is the test data after coating the pure cotton base cloth, and table 2 is the test data after coating the hemp adhesive base cloth:
TABLE 1 post-coating test data for pure cotton base cloth
Table 2-post-coating test data for bast fiber fabric
The high-elasticity stiff and smooth hand feeling evaluation is based on the comprehensive evaluation result of 6 people on the hand feeling, wherein++ is the best and +is the worst;
evaluation criteria for rebound resilience: GB/T3819-1997 method for determining recovery angle of crease recovery of textile fabrics.
From the above table, the fabric coated in examples 1-6 can completely reach the solvent-based high-elasticity coating glue level in rebound crease resistance and high-elasticity stiff and smooth hand feeling, and is obviously better than the existing water-based high-elasticity coating glue products, which shows that the water-based organic silicon high-elasticity coating glue for textile provided by the embodiment of the invention has excellent rebound crease resistance and high-elasticity stiff and smooth hand feeling.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The invention has been described above with particularity and detail in connection with general description and specific embodiments. It should be noted that it is obvious that several variations and modifications can be made to these specific embodiments without departing from the spirit of the present invention, which are all within the scope of protection of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (9)
1. The preparation method of the water-based organic silicon high-elasticity coating adhesive for the textiles is characterized by comprising the following steps of:
s1, weighing the following raw materials in parts by weight:
60-80 parts of alpha, omega-dihydroxyl end-capped polydimethylsiloxane, 4-8 parts of dodecylbenzenesulfonic acid, 3-5 parts of nonionic emulsifier, 1-2 parts of epoxy silane coupling agent, 1-2 parts of piperazinyl silane coupling agent and 150-200 parts of water;
s2, mixing and stirring all the raw materials weighed in the step S1 uniformly, homogenizing under the environment of 30-40Mpa to prepare emulsion, cooling the emulsion to 5-10 ℃, standing for reaction for 24-48h, and then adjusting the pH value to 7-8 to obtain a first product;
s3, adding a thickening agent into the first product, and thickening until the viscosity is 2000-3000 mPa.s at 25 ℃ to obtain a second product;
s4, adding 6-9 parts of cross-linking agent and 3-5 parts of catalyst into the second product, and uniformly stirring to obtain the textile water-based organosilicon high-elasticity coating adhesive;
in S4, the cross-linking agent is specifically one of 1, 2-bis trimethoxy silyl ethane and 1, 2-bis triethoxy silyl ethane.
2. The method for preparing a water-based organosilicon high-elastic coating adhesive for textiles according to claim 1, wherein in S1, the viscosity of the alpha, omega-dihydroxyl end-capped polydimethylsiloxane is 50-120 mPa.s at 25 ℃, and the hydroxyl content is less than or equal to 2.5%.
3. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles, according to claim 1, wherein in the step S1, the nonionic emulsifier is specifically one of fatty alcohol polyoxyethylene ether series, isomeric tridecanol polyoxyethylene ether series and isomeric tridecanol polyoxyethylene ether series; the fatty alcohol-polyoxyethylene ether series comprise AEO-7 and AEO-9, the isomeric tridecanol polyoxyethylene ether series comprise XL-50 and XL-70, and the isomeric tridecanol polyoxyethylene ether series comprise TO-7 and TO-8.
4. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles, according to claim 1, wherein in S1, the epoxy silane coupling agent is one of gamma-glycidyl ether oxypropyl trimethoxy silane, gamma-glycidyl ether oxypropyl triethoxy silane and gamma-glycidyl ether oxypropyl methyl dimethoxy silane.
5. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles according to claim 1, wherein in S1, the piperazinyl silane coupling agent is gamma-piperazinyl propyl methyl dimethoxy silane.
6. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles according to claim 1, wherein in S2, the regulator used for regulating the pH value is 10wt% of sodium carbonate aqueous solution.
7. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles according to claim 1, wherein in the step S3, the thickener is an aqueous polyurethane thickener, and specifically comprises one or more of PUR-50 and RM-8W, HT-820.
8. The method for preparing the aqueous organosilicon high-elastic coating adhesive for textiles according to claim 1, wherein in the step S4, the catalyst is one of bismuth isooctanoate and zinc isooctanoate.
9. The aqueous organosilicon high-elastic coating adhesive for textiles is characterized by being obtained by the preparation method of the aqueous organosilicon high-elastic coating adhesive for textiles in claim 1.
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