CN105671968B - A kind of protective fabric - Google Patents

A kind of protective fabric Download PDF

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Publication number
CN105671968B
CN105671968B CN201610035002.3A CN201610035002A CN105671968B CN 105671968 B CN105671968 B CN 105671968B CN 201610035002 A CN201610035002 A CN 201610035002A CN 105671968 B CN105671968 B CN 105671968B
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weight
parts
lotion
fabric
component
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CN105671968A (en
Inventor
郭有良
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Zhejiang Fu Shengda Technology Co., Ltd.
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Jiaxing Fushengda Dyeing & Finishing Co Ltd
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Priority to CN201610035002.3A priority Critical patent/CN105671968B/en
Priority claimed from CN201410213416.1A external-priority patent/CN104005231B/en
Publication of CN105671968A publication Critical patent/CN105671968A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/572Reaction products of isocyanates with polyesters or polyesteramides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/32Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203Polyhydroxy compounds
    • C08G18/3206Polyhydroxy compounds aliphatic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/4009Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4018Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • C08G18/482Mixtures of polyethers containing at least one polyether containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6603Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6607Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67Unsaturated compounds having active hydrogen
    • C08G18/671Unsaturated compounds having only one group containing active hydrogen
    • C08G18/672Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/244Treating 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
    • D06M13/248Treating 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
    • D06M13/256Sulfonated compounds esters thereof, e.g. sultones
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/53Polyethers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/564Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
    • D06M15/568Reaction products of isocyanates with polyethers
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02Natural fibres, other than mineral fibres
    • D06M2101/04Vegetal fibres
    • D06M2101/06Vegetal fibres cellulosic
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/10Repellency against liquids
    • D06M2200/12Hydrophobic properties
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/35Abrasion, pilling or fibrillation resistance
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/50Modified hand or grip properties; Softening compositions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

The present invention relates to a kind of high-intensity protective fabrics, it includes substrate fabric and coated in the protective coating on the substrate fabric, the protective coating is by lotion of the dipping containing aqueous polyurethane and solidification obtains, and the coated weight of the protective coating is 50~200g/m2;The lotion containing aqueous polyurethane is the lotion formed by the performed polymer component of 18~20wt%, the oligomer component of 3.0~5.0wt%, the hydrolytic condensate of amino silane of 4.0~6.0wt%, the dodecyl sodium sulfate of 0.5~1.0wt%, the bleeding agent of 1.0~3.0wt%, the softening agent of 1.0~3.0wt% and the water of surplus.

Description

A kind of protective fabric
Technical field
The present invention relates to the technical fields of textile fabric, it is more particularly related to a kind of protective fabric.
Background technique
Fabric coating finishing agent is also known as coating adhesive, is a kind of macromolecule compound for being spread evenly across fabric surface. Fabric by coating treatment can form one or more layers film in fabric surface, can assign fabric height rebound and it is plentiful Feel and other effects, but also can assign with waterproof and breathable, water pressure resistance, ventilating and moisture-permeable, it is fire-retardant, antifouling and/or antistatic etc. Specific function.
Fabric coating glue is mainly solvent type, generally includes solvent type polyvinyl chloride, acrylate and polyurethanes, But solvent type coating adhesive usually contains N- methylol amide class compound, they impregnate and coating after fabric exist In storage or wearing process, formaldehyde can be also decomposed or release, either all there is healthy wind to human health or environment Danger.With higher and higher to the index request of environmental requirement, a variety of aqueous coating glues are also developed successively in the prior art, such as Water-and acrylate or aqueous protective coating glue.Although aqueous polyurethane has soft, comfortable and easy to wear advantage, its is resistance to Hou Xing, hydrolytic resistance and functionality still have much room for improvement.
Summary of the invention
In view of the above-mentioned technical problems in the prior art, the purpose of the present invention is to provide a kind of protective fabrics.
In order to achieve the above-mentioned object of the invention, technical scheme is as follows:
A kind of protective fabric comprising substrate fabric and coated in the protective coating on the substrate fabric, feature exists In: the protective coating is by lotion of the dipping containing aqueous polyurethane and solidification obtains, and the coating of the protective coating Amount is 50~200g/m2
Wherein, the substrate fabric is any one in natural fiber, synthetic fibers or blend fibre.
Wherein, the lotion containing aqueous polyurethane is by the hydrolysis of performed polymer component, oligomer component, amino silane The lotion that condensation product, emulsifier, bleeding agent, softening agent and water are formed.
Wherein, the performed polymer component is by the diisocyanate of 15.0~18.0 parts by weight, 10.5~12.0 parts by weight Polyester polyol, the glycidyl methacrylate of 1.5~2.0 parts by weight, the chain extender of 2.5~3.5 parts by weight and 0.10 The component of the catalyst of~0.15 parts by weight is prepared.Wherein, the oligomer component is gathered by the dihydroxy of 8~10 parts by weight Ether, the end group of 1.0~1.2 parts by weight are the amine terminated polyether of fragrant amino and the chain extender composition of 2.5~3.0 parts by weight.
Wherein, the diisocyanate is selected from aliphatic diisocyanate, aromatic diisocyanate, alicyclic two isocyanide Acid esters or their mixture.Example as aliphatic diisocyanate includes isophorone diisocyanate, 4, and 4 '-two Diphenylmethane diisocyanate or 1,6- hexamethylene diisocyanate.Example as aromatic isocyanate includes 4, 4 '-methyl diphenylene diisocyanates, toluene di-isocyanate(TDI), benzene dimethylene diisocyanate.Preferably, described two Isocyanates is the mixture of MDI, TDI or both;It is highly preferred that the diisocyanate is liquefied mdi.Wherein, the expansion Chain agent refers to containing there are two the compounds of functional group, usually small molecule dihydric alcohol, diamine, ethanol amine etc..The chain extender For 1,4-butanediol, ethylene glycol, 1,3-PD, diglycol, ethylenediamine, hexamethylene diamine, diethanol amine, triethanolamine with And at least one of glycerine.Preferably, the chain extender is 1,4-butanediol.
Wherein, the polyester polyol be aromatic polyol, and the degree of functionality of the aromatic polyol be 1.8~ 2.2。
Wherein, the polyether diols is the polyether diols using propylene glycol as initiator, and its hydroxyl be 105~ 115mgKOH/g。
Wherein, it is and its point using polytetramethylene ether diol as main chain that the end group, which is the amine terminated polyether of fragrant amino, Son amount is 250~1000.
Wherein, the amino silane is selected from 3- aminopropyl trimethoxysilane, 3- aminopropyl triethoxysilane, N- benzene Base -3- aminopropyl trimethoxysilane, N-2- (aminoethyl) -3- aminopropyl trimethoxysilane or N-2- (aminoethyl) -3- ammonia Propyl-triethoxysilicane or their compositions.
Compared with prior art, a kind of protective fabric of the present invention and its manufacturing method have following prominent beneficial Effect:
A kind of protective fabric of the present invention not only has improved comfortable feel and penetrability, but also has excellent Wear-resisting property and tensile property;It is additionally unexpected that there is excellent ageing resistance and waterproof performance.
Specific embodiment
A kind of protective fabric of the present invention and its manufacturing method are done further below with reference to specific embodiment It illustrates, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution Solution;It is to be noted that the description in relation to material and performance etc. in embodiment is all exemplary, and do not imply that invention The limitation of protection scope.
A kind of protective fabric of the present invention comprising substrate fabric and coated on the substrate fabric protection apply Layer, the protective coating is by lotion of the dipping containing aqueous polyurethane and solidification obtains, and the coating of the protective coating Amount is 50~200g/m2.The lotion containing aqueous polyurethane be by 18~20wt% performed polymer component, 3.0~ The oligomer component of 5.0wt%, the hydrolytic condensate of the amino silane of 4.0~6.0wt%, 0.5~1.0wt% emulsifier, The lotion that the water of the bleeding agent of 1.0~3.0wt%, the softening agent of 1.0~3.0wt% and surplus is formed.Wherein, the performed polymer Component is by the diisocyanate of 15.0~18.0 parts by weight, the polyester polyol of 10.5~12.0 parts by weight, 1.5~2.0 weight The group of the catalyst of the glycidyl methacrylate of part, the chain extender of 2.5~3.5 parts by weight and 0.10~0.15 parts by weight Divide and is prepared.Wherein, polyether diols of the oligomer component by 8~10 parts by weight, the end group of 1.0~1.2 parts by weight For the amine terminated polyether of fragrant amino and the chain extender composition of 2.5~3.0 parts by weight.A kind of protective fabric can be by including The method of following steps is prepared: (a) impregnating substrate fabric using the lotion containing aqueous polyurethane;(b) at 50~60 DEG C Under the conditions of carry out drying and processing, the time is 8~10 minutes;(c) 80~100 DEG C curing process 5~10 minutes.And described contain There is the lotion of aqueous polyurethane to be prepared by method comprising the following steps: (1) different by the two of 15.0~18.0 parts by weight Cyanate, the polyester polyol of 10.5~12.0 parts by weight, the glycidyl methacrylate of 1.5~2.0 parts by weight, 2.5 The chain extender of~3.5 parts by weight and the catalyst of 0.10~0.15 parts by weight are placed in reaction kettle, then in 60~70 DEG C of conditions Then lower reaction 2~3 hours is cooled to 40~50 DEG C, the content of control-NCO obtains for the 8~10% of performed polymer component weight To performed polymer component, it is sealed after discharging;(2) by the polyether diols of 8~10 parts by weight, the end group of 1.0~1.2 parts by weight It is placed in reaction kettle for the amine terminated polyether of fragrant amino and the chain extender of 2.5~3.0 parts by weight, it is small to be sufficiently mixed 1 at 40 DEG C When after obtain oligomer component, be sealed after discharging;(3) deionized water of 10wt% is added in a kettle, is then added The emulsifier of 0.5~1.0wt% is uniformly mixed, then under conditions of high-speed stirred (1500~2500rpm) be added 18~ The performed polymer component of 20wt%, the oligomer component of 3.0~5.0wt%, 4.0~6.0wt% amino silane hydrolytic condensation Then remaining deionized water is slowly added dropwise in object;It is eventually adding the bleeding agent of 1.0~3.0wt%, the softness of 1.0~3.0wt% The lotion containing aqueous polyurethane can be obtained in agent.
In the following examples and comparative examples: the emulsifier is dodecyl sodium sulfate;The bleeding agent is fatty alcohol Polyoxyethylene ether JFC-1;The softening agent is polyoxyethylene stearic acid ester SG-6.The diisocyanate is that carbonization two is sub- Amine-uretonimine-modified MDI, Yantai Wanhua Polyurethane Co., Ltd (Wannate MDI-100HL).The polyester Polyalcohol is the Stepanol series aromatic polyester polyol of Stepan company (trade mark is Stepanol PD-90LV).It is described Polyether diols be using propylene glycol as the polyether diols of initiator, hydroxyl is 105~115mgKOH/g, and the trade mark is Voranol 220-110N.The end group is that the amine terminated polyether of fragrant amino is Versalink P-650 (Air Products Company (Air Products)).The amine terminated polyether that comparative example 3 uses is that the Jeffamine SD series of Huntsman company production is secondary Amino-polyether.The hydrolytic condensate of the amino silane is the hydrolytic condensate of 3- aminopropyl triethoxysilane, in temperature Under conditions of 20 DEG C, it is slowly added dropwise in the in the mixed solvent of the isopropanol of the deionized water and 50.0 parts by weight of 40.0 parts by weight Then 5.5 parts by weight of 3- aminopropyl triethoxysilane are reacted 24 hours at nitrogen atmosphere, 25 DEG C.Later, by reaction Solution is depressurized, and isopropanol is evaporated, and adds deionized water, obtains the hydrolysis contracting of the amino silane of effective component 12wt% Close object.
Embodiment 1
Lotion described in the present embodiment containing aqueous polyurethane is prepared by method comprising the following steps: (1) By the diisocyanate of 15.0 parts by weight, the methyl propenoic acid glycidyl of the polyester polyol of 10.5 parts by weight, 2.0 parts by weight The dibutyl tin dilaurate of ester, the 1,4-butanediol of 2.5 parts by weight and 0.10 parts by weight is placed in reaction kettle, then at 65 DEG C Under the conditions of react 2~3 hours, be then cooled to 40 DEG C, the content of control-NCO be the 8% of performed polymer component weight obtain it is pre- Interpolymer component is sealed after discharging;(2) by the polyether diols of 8 parts by weight, the end group of 1.0 parts by weight is the end of fragrant amino The 1,4-butanediol of amino-polyether and 2.5 parts by weight is placed in reaction kettle, obtains oligomer after 1 hour is sufficiently mixed at 40 DEG C Component is sealed after discharging;(3) deionized water of 10wt% is added in a kettle, the emulsifier of 0.8wt% is then added It is uniformly mixed, the performed polymer component of 20wt%, the oligomer of 5.0wt% is then added under the stirring condition of 2000rpm revolving speed Component, 5.0wt% amino silane hydrolytic condensate, remaining deionized water is then slowly added dropwise;It is eventually adding 2.0wt% Bleeding agent, 2.0wt% softening agent the lotion containing aqueous polyurethane can be obtained.
Embodiment 2
Lotion described in the present embodiment containing aqueous polyurethane is prepared by method comprising the following steps: (1) By the diisocyanate of 18.0 parts by weight, the methyl propenoic acid glycidyl of the polyester polyol of 12.0 parts by weight, 1.5 parts by weight The dibutyl tin dilaurate of ester, the 1,4-butanediol of 3.5 parts by weight and 0.10 parts by weight is placed in reaction kettle, then at 65 DEG C Under the conditions of react 2~3 hours, be then cooled to 40 DEG C, the content of control-NCO is the 10% of performed polymer component weight to obtain Performed polymer component is sealed after discharging;(2) by the polyether diols of 10 parts by weight, the end group of 1.2 parts by weight is fragrant amino The 1,4-butanediol of amine terminated polyether and 3.0 parts by weight is placed in reaction kettle, is obtained after being sufficiently mixed at 40 DEG C 1 hour oligomeric Object component is sealed after discharging;(3) deionized water of 10wt% is added in a kettle, the emulsification of 0.8wt% is then added Agent is uniformly mixed, be then added under the stirring condition of 2000rpm revolving speed the performed polymer component of 20wt%, 5.0wt% it is oligomeric Object component, 5.0wt% amino silane hydrolytic condensate, remaining deionized water is then slowly added dropwise;It is eventually adding The lotion containing aqueous polyurethane can be obtained in the bleeding agent of 2.0wt%, the softening agent of 2.0wt%.
Comparative example 1
The lotion containing aqueous polyurethane is prepared by method comprising the following steps: (1) by 15.0 weights Measure the diisocyanate of part, the polyester polyol of 10.5 parts by weight, the glycidyl methacrylate of 2.0 parts by weight, 2.5 weights The dibutyl tin dilaurate of the 1,4-butanediol and 0.10 parts by weight of measuring part is placed in reaction kettle, then anti-under the conditions of 65 DEG C It answers 2~3 hours, is then cooled to 40 DEG C, the content of control-NCO obtains performed polymer group for the 8% of performed polymer component weight Point, it is sealed after discharging;(2) 1,4-butanediol of the polyether diols of 8 parts by weight and 2.5 parts by weight is placed in reaction kettle In, oligomer component is obtained after being sufficiently mixed at 40 DEG C 1 hour, is sealed after discharging;(3) it is added in a kettle The deionized water of 10wt%, the emulsifier that 0.8wt% is then added is uniformly mixed, then in the stirring condition of 2000rpm revolving speed It is lower be added the performed polymer component of 20wt%, the oligomer component of 5.0wt%, 5.0wt% amino silane hydrolytic condensate, so After remaining deionized water is slowly added dropwise;The softening agent of the bleeding agent, 2.0wt% that are eventually adding 2.0wt% can be obtained described Lotion containing aqueous polyurethane.
Comparative example 2
The lotion containing aqueous polyurethane is prepared by method comprising the following steps: (1) by 15.0 weights Measure the diisocyanate of part, the polyester polyol of 10.5 parts by weight, the glycidyl methacrylate of 2.0 parts by weight, 2.5 weights The dibutyl tin dilaurate of the 1,4-butanediol and 0.10 parts by weight of measuring part is placed in reaction kettle, then anti-under the conditions of 65 DEG C It answers 2~3 hours, is then cooled to 40 DEG C, the content of control-NCO obtains performed polymer group for the 8% of performed polymer component weight Point, it is sealed after discharging;(2) by the polyether diols of 8 parts by weight, the end group of 1.0 parts by weight is that the Amino End Group of fragrant amino is poly- The 1,4-butanediol of ether and 2.5 parts by weight is placed in reaction kettle, obtains oligomer component after being sufficiently mixed at 40 DEG C 1 hour, It is sealed after discharging;(3) deionized water of 10wt% is added in a kettle, the emulsifier mixing of 0.8wt% is then added Uniformly, performed polymer component, the oligomer component of 5.0wt% of 20wt% are then added under the stirring condition of 2000rpm revolving speed, Then remaining deionized water is slowly added dropwise;Institute can be obtained in the softening agent of the bleeding agent, 2.0wt% that are eventually adding 2.0wt% State the lotion containing aqueous polyurethane.
Comparative example 3
Lotion described in this comparative example containing aqueous polyurethane is prepared by method comprising the following steps: (1) By the diisocyanate of 15.0 parts by weight, the methyl propenoic acid glycidyl of the polyester polyol of 10.5 parts by weight, 2.0 parts by weight The dibutyl tin dilaurate of ester, the 1,4-butanediol of 2.5 parts by weight and 0.10 parts by weight is placed in reaction kettle, then at 65 DEG C Under the conditions of react 2~3 hours, be then cooled to 40 DEG C, the content of control-NCO be the 8% of performed polymer component weight obtain it is pre- Interpolymer component is sealed after discharging;(2) by the polyether diols of 8 parts by weight, the amine terminated polyether of 1.0 parts by weight and 2.5 weights The 1,4-butanediol of amount part is placed in reaction kettle, and oligomer component is obtained after being sufficiently mixed at 40 DEG C 1 hour, is sealed after discharging It saves;(3) deionized water of 10wt% is added in a kettle, the emulsifier that 0.8wt% is then added is uniformly mixed, and is then existed Be added under the stirring condition of 2000rpm revolving speed the performed polymer component of 20wt%, the oligomer component of 5.0wt%, 5.0wt% ammonia Then remaining deionized water is slowly added dropwise in the hydrolytic condensate of base silane;It is eventually adding bleeding agent, the 2.0wt% of 2.0wt% Softening agent the lotion containing aqueous polyurethane can be obtained.
Comparative example 4
Lotion described in this comparative example containing aqueous polyurethane is prepared by method comprising the following steps: (1) By the diisocyanate of 15.0 parts by weight, the methyl propenoic acid glycidyl of the polyester polyol of 10.5 parts by weight, 2.0 parts by weight The dibutyl tin dilaurate of ester, the 1,4-butanediol of 2.5 parts by weight and 0.10 parts by weight is placed in reaction kettle, then at 65 DEG C Under the conditions of react 2~3 hours, be then cooled to 40 DEG C, the content of control-NCO be the 8% of performed polymer component weight obtain it is pre- Interpolymer component is sealed after discharging;(2) by the polyether diols of 8 parts by weight, the end group of 1.0 parts by weight is the end of fragrant amino The 1,4-butanediol of amino-polyether and 2.5 parts by weight is placed in reaction kettle, obtains oligomer after 1 hour is sufficiently mixed at 40 DEG C Component is sealed after discharging;(3) deionized water of 10wt% is added in a kettle, the emulsifier of 0.8wt% is then added It is uniformly mixed, the performed polymer component of 20wt%, the oligomer of 5.0wt% is then added under the stirring condition of 2000rpm revolving speed Then remaining deionized water is slowly added dropwise in the vinyltrimethoxysilane of component, 5.0wt%;It is eventually adding 2.0wt%'s Bleeding agent, 2.0wt% softening agent the lotion containing aqueous polyurethane can be obtained.
As illustratively, the lotion containing aqueous polyurethane that Examples 1 to 2 and comparative example 1~4 are prepared It is immersed on substrate fabric (cotton 68 × 68), drying and processing is then carried out under the conditions of 60 DEG C, the time is 8 minutes;Finally exist 100 DEG C can be obtained the fabric containing protective coating in curing process 5 minutes, in order to which the coated weight of the more convenient coating is About 50g/m3(coated weight can be adjusted by parameters such as the dip times of lotion of the adjusting containing aqueous polyurethane).It will obtain The fabric containing protective coating be tested for the property, wherein tensile strength and elongation at break (through to) are according to HG/T2580- Method specified in 1994 executes;Tearing strength (through to) is executed according to method as defined in the 8th chapter of HG/T2581-1994, wear-resisting Property is executed according to method specified in GB/T19089-2003.
Test result is as shown in table 1:
Table 1
It in temperature is holding under confined conditions 30 days of 80 DEG C and 90%RH by the obtained fabric containing protective coating, Then above-mentioned test is carried out again, and test result is as shown in table 2.
Table 2
For the ordinary skill in the art, specific embodiment is only exemplarily described the present invention, Obviously the present invention specific implementation is not subject to the restrictions described above, as long as use the inventive concept and technical scheme of the present invention into The improvement of capable various unsubstantialities, or not improved the conception and technical scheme of the invention are directly applied to other occasions , it is within the scope of the present invention.

Claims (3)

1. a kind of protective fabric comprising substrate fabric and coated in the protective coating on the substrate fabric, it is characterised in that: The protective coating is by lotion of the dipping containing aqueous polyurethane and solidification obtains, and the coated weight of the protective coating is 50~200g/m2;The lotion containing aqueous polyurethane is by the performed polymer component of 18~20wt%, 3.0~5.0wt% Oligomer component, the hydrolytic condensate of the amino silane of 4.0~6.0wt%, 0.5~1.0wt% dodecyl sodium sulfate, The lotion that the water of the bleeding agent of 1.0~3.0wt%, the softening agent of 1.0~3.0wt% and surplus is formed;The performed polymer component By the diisocyanate of 15.0~18.0 parts by weight, the polyester polyol of 10.5~12.0 parts by weight, 1.5~2.0 parts by weight The component system of the catalyst of glycidyl methacrylate, the chain extender of 2.5~3.5 parts by weight and 0.10~0.15 parts by weight It is standby to obtain;For the oligomer component by the polyether diols of 8~10 parts by weight, the end group of 1.0~1.2 parts by weight is fragrant amino Amine terminated polyether and the chain extender of 2.5~3.0 parts by weight composition;The substrate fabric is times in synthetic fibers or blend fibre It anticipates one kind, the polyester polyol is aromatic polyol, and the degree of functionality of the aromatic polyol is 1.8~2.2.
2. a kind of protective fabric according to claim 1, it is characterised in that: the polyether diols is to be with propylene glycol The polyether diols of beginning agent, and its hydroxyl is 105~115mgKOH/g.
3. a kind of protective fabric according to claim 1, it is characterised in that: the end group is the amine terminated polyether of fragrant amino Be using polytetramethylene ether diol as main chain, and its molecular weight be 250~1000.
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