CN108251039A - A kind of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive and preparation method thereof - Google Patents

A kind of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive and preparation method thereof Download PDF

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Publication number
CN108251039A
CN108251039A CN201711386335.1A CN201711386335A CN108251039A CN 108251039 A CN108251039 A CN 108251039A CN 201711386335 A CN201711386335 A CN 201711386335A CN 108251039 A CN108251039 A CN 108251039A
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polyurethane hot
melt adhesive
high moisture
reaction type
type polyurethane
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从赫雷
郎逸超
汪维
姚其胜
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SHANGHAI KANGDA NEW MATERIALS CO Ltd
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SHANGHAI KANGDA NEW MATERIALS CO Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • C09J175/08—Polyurethanes from polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
    • C08G18/4045—Mixtures of compounds of group C08G18/58 with other macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
    • C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/58—Epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3472—Five-membered rings
    • C08K5/3475—Five-membered rings condensed with carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5435—Silicon-containing compounds containing oxygen containing oxygen in a ring

Abstract

The high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive of disclosure of the invention, is prepared by polyester polyol, polyether polyol, chain extender, special polyols, adhesion promoter, antioxidant, ultra-violet absorber, stabilizer, isocyanates, catalyst, silane coupling agent.The invention also discloses the preparation methods of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive.Functional fabric disclosed by the invention reaction type polyurethane hot-melt adhesive has very high penetrability, preferable pleasant softness, good washing performance, resistance to hydrostatic pressure performance and bin stability, and with the excellent feature of environmental protection, is bonded suitable for high moisture-inhibiting functional fabric.

Description

A kind of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive and preparation method thereof
Technical field
The present invention relates to polyurethane binder synthesis technical field, more particularly to a kind of high moisture-inhibiting functional fabric response type gathers Urethane hot melt adhesive and preparation method thereof.
Background technology
Composite material forms one or more layers textile material, non-woven material and other functional materials through bonding fitting A kind of novel-section can improve fabric texture, have a functionality such as windproof, waterproof, moisture-inhibiting, and with radioresistance, wash resistant, wear-resistant The characteristics such as damage, heat-insulation breathable have become one of indispensable fabric in people's life.
Composite material is divided into common composite material and function and service fabric, is a kind of face that newer type is developed by market Material, it is simply that the fabric that two kinds of fabrics are combined with each other.Common composite material glues fabric and lining by binding agent It closes, so as to improve fabric texture, is suitble to the technique simplification and large-scale production of clothes processing；Function and service fabric is to use A kind of new material that the functional films such as TPU, PU, PTFE, PES are combined by sticker and cloth, function and service fabric It is functional with windproof, waterproof layer or multi-layered textile material and TPU moisture-inhibitings etc., and with radioresistance, wash resistant, wear-resistant, guarantor Warm up the characteristics such as ventilative.
The common adhesive of composite material has water soluble acrylic acid adhesive, Aqueous Polyurethane Adhesives, oiliness polyurethane adhesive Glutinous agent and reaction type polyurethane hot-melt adhesive.Reaction type polyurethane hot-melt adhesive is compared with other adhesive, because it is with solvent-free, list Component, it is environment friendly and pollution-free；Technique for sticking is easy；It is operational good；The advantages that condition of cure facilitates is more and more widely used In composite material.
Invention content
Reaction type polyurethane hot-melt adhesive is widely used on functional fabric, but product used currently on the market Penetrability is relatively all weaker, therefore an object of the present invention is to solve current reaction type polyurethane hot-melt adhesive in function The problem of moisture permeability is weaker in fabric and a kind of high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive is provided.
The second object of the present invention is to provide above-mentioned high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive Preparation method.
As the high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive of the first aspect of the present invention, by following heavy The raw material of amount part is prepared：
In a preferred embodiment of the invention, the polyester polyol is crystalline polyester polyalcohol and/or nothing Amorphous polyester polyalcohol.
In a preferred embodiment of the invention, the dosage of the crystalline polyester polyalcohol, according to high moisture-inhibiting function 5~25 parts by weight of the total amount of fabric reaction type polyurethane hot-melt adhesive.
In a preferred embodiment of the invention, the dosage of the amorphous polyester polyalcohol, according to high moisture-inhibiting function 5~25 parts by weight of the total amount of fabric reaction type polyurethane hot-melt adhesive.
In a preferred embodiment of the invention, the crystalline polyester polyalcohol is adipic acid, suberic acid, the last of the ten Heavenly stems two Acid, dodecanedioic acid, one kind of tetracosandioic acid or arbitrary two or more and ethylene glycol, butanediol, hexylene glycol, ethohexadiol, the last of the ten Heavenly stems Glycol, dodecanediol, the crystalline polyester polyalcohol that one kind or arbitrary two or more polycondensations in diethylene glycol (DEG) form.Largely Experiment shows that crystalline polyester can improve the initial stage adhesion strength of polyurethane hot melt and final adhesion strength.
In a preferred embodiment of the invention, the crystalline polyester polyalcohol for polycaprolactone polyol or gathers Carbonate polyol.
In a preferred embodiment of the invention, the average weight-average molecular weight of the crystalline polyester polyalcohol is 1000~10000.
In a preferred embodiment of the invention, the average weight-average molecular weight of the crystalline polyester polyalcohol is 500~8000.
In a preferred embodiment of the invention, the average weight-average molecular weight of the crystalline polyester polyalcohol is 1000~6000.
In a preferred embodiment of the invention, the crystalline polyester polyalcohol is to win wound Degussa Dynacoll7300 series of products, Changxing chemistry 5600 series, Hooke F-900 series, rising sun river chemistry XCP-1000H, the rising sun The XCP-2000H of river chemistry, one kind in the XCP-3000H of rising sun river chemistry or arbitrary two or more mixing.
In a preferred embodiment of the invention, the amorphous polyester polyalcohol is adipic acid, decanedioic acid, Malaysia One kind or arbitrary two or more and ethylene glycol in acid, fumaric acid, terephthalic acid (TPA), M-phthalic acid, phthalic acid, fourth two The polymer that one kind of alcohol, pentanediol, diethylene glycol (DEG) or neopentyl alcohol or arbitrary two or more polycondensations form.
In a preferred embodiment of the invention, the average weight-average molecular weight of the amorphous polyester polyalcohol is 1000 ~10000.
In a preferred embodiment of the invention, the average weight-average molecular weight of the amorphous polyester polyalcohol is 1000 ~8000.
In a preferred embodiment of the invention, the average weight-average molecular weight of the amorphous polyester polyalcohol is 1000 ~6000.
In a preferred embodiment of the invention, the amorphous polyester polyalcohol is to win wound Degussa 7200 series of products of Dynacoll7100, Dynacoll, Si Taipan PN-110, Si Taipan PH-56, Si Taipan PD- 56th, one kind in EPPI-2000, XCP-244C polyester of the PDP-70 products of Si Taipan, rising sun river chemistry or arbitrary two or more Mixing.
In a preferred embodiment of the invention, the dosage of the polyether polyol, according to the total of polyurethane hot melt 20~40 parts by weight of amount.
In a preferred embodiment of the invention, the average weight-average molecular weight of the polyether polyol is 200~4000.
In a preferred embodiment of the invention, the average weight-average molecular weight of the polyether polyol is 400~3000.
In a preferred embodiment of the invention, the polyether polyol is polyoxypropyleneglycol, polyoxygenated third Alkene-ethylene oxide glycol, polyethylene glycol, one kind in polytetrahydrofuran ether glycol, tetrahydrofuran-propylene oxide copolymer glycols or Arbitrary two or more mixture.
In a preferred embodiment of the invention, the dosage of the chain extender, according to the total amount of polyurethane hot melt 0~5 parts by weight.
In a preferred embodiment of the invention, the chain extender for ethylene glycol, propylene glycol, 1,4-butanediol, oneself One kind or arbitrary two or more in glycol, trimethylolpropane, neopentyl glycol, diglycol, triethylene-glycol Mixture.
In a preferred embodiment of the invention, the special polyols are according to the 0 of the total amount of polyurethane hot melt ~30 parts by weight.
In a preferred embodiment of the invention, the special polyols are a kind of nonionic modified polyalcohol or non- Ion polyalcohol.
In a preferred embodiment of the invention, the average weight-average molecular weight of the special polyols for 200~ 6000。
In a preferred embodiment of the invention, the average weight-average molecular weight of the special polyols for 400~ 4000。
In a preferred embodiment of the invention, the average weight-average molecular weight of the special polyols for 600~ 3000。
In a preferred embodiment of the invention, the dosage of the adhesion promoter, according to polyurethane hot melt Total amount 0~4 parts by weight.
In a preferred embodiment of the invention, the dosage of the adhesion promoter, according to polyurethane hot melt Total amount 0~2 parts by weight.
In a preferred embodiment of the invention, the adhesion promoter is bisphenol A epoxide resin, bisphenol epoxies One kind in F resins, bisphenol-s epoxy resin.
In a preferred embodiment of the invention, the adhesion promoter is epoxy resin E-44, epoxy resin One kind in E-51, epoxy resin E-128.
In a preferred embodiment of the invention, the dosage of the antioxidant, according to the total amount of polyurethane hot melt 0~1 parts by weight.
In a preferred embodiment of the invention, the dosage of the antioxidant, according to the total amount of polyurethane hot melt 0.1~0.6 parts by weight.
In a preferred embodiment of the invention, the antioxidant is four [β-(3,5- di-t-butyl -4- hydroxy benzenes Base) propionic acid] pentaerythritol ester (1010), one or both of three [2.4- di-tert-butyl-phenyls] phosphite esters (168) it is mixed It closes.
In a preferred embodiment of the invention, the dosage of the ultra-violet absorber, according to polyurethane hot melt Total amount 0~1 parts by weight.
In a preferred embodiment of the invention, the dosage of the ultra-violet absorber, according to polyurethane hot melt Total amount 0.05~0.3 parts by weight.
In a preferred embodiment of the invention, the ultra-violet absorber is 2- (bis- uncles of 2'- hydroxyls -3', 5'- Butyl phenyl)-benzotriazole (UV320), 2- (bis- tertiary amyl phenyl of 2'- hydroxyls -3', 5'-) benzotriazole (UV-328), 2- One kind or arbitrary two or more mixture in (2'- hydroxyl -5'- aminomethyl phenyls) benzotriazole (UV-P).
In a preferred embodiment of the invention, the dosage of the stabilizer, according to the total amount of polyurethane hot melt 0.01~0.5 parts by weight.
In a preferred embodiment of the invention, the dosage of the stabilizer, according to the total amount of polyurethane hot melt 0.01~0.2 parts by weight.
In a preferred embodiment of the invention, the stabilizer is phosphoric acid, in erucic acid, benzoic acid, citric acid A kind of or arbitrary two or more mixing.
In a preferred embodiment of the invention, the diisocyanate is toluene di-isocyanate(TDI) (TDI), hexichol Dicyclohexylmethane diisocyanate (MDI), hydrogenated diphenyl methane diisocyanate (HMDI) isophorone diisocyanate (IPDI), Hexamethylene diisocyanate (HDI), carbodiimide modified methyl diphenylene diisocyanate in one kind or two kinds arbitrary Above mixture.
In a preferred embodiment of the invention, the catalyst is dibutyl tin laurate, stannous octoate, three One kind or arbitrary two or more mixture in ethylene diamine, triethanolamine and N,N-Dibenzylamine.
In a preferred embodiment of the invention, the silane coupling agent γ aminopropyltriethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, gamma-amino propyl trimethoxy silicane, γ-methacryloxypropyl Trimethoxy silane, γ mercaptopropyltriethoxysilanes, γ-mercaptopropyl trimethoxysilane, vinyltriethoxysilane, second Alkenyl trimethoxy silane and one kind in vinyl three ('beta '-methoxy ethyoxyl) silane or arbitrary two or more mixture.
The preparation method of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive as second aspect of the present invention, be by Polyester polyol, polyether polyol or/and chain extender or/and special polyols or/and adhesion promoter or/and antioxidant Or/and ultra-violet absorber or/and stabilizer are added in reaction kettle, melting is stirred, and vacuumizes dehydration；Then it is different that two are added in Cyanate, heating vacuumize reaction；Or/and it is eventually adding catalyst and coupling agent and carries out vacuum defoamation reaction and be prepared.
In a preferred embodiment of the invention, the condition for vacuumizing dehydration is 80~120 DEG C, the time 0.5 ~3.0 hours, vacuum degree was -0.08~-0.1MPa；
In a preferred embodiment of the invention, before diisocyanate is added in, material first cools to 80 DEG C, so Add in diisocyanate while stirring afterwards.
In a preferred embodiment of the invention, after diisocyanate is added in, after being to slowly warm up to 100~120 DEG C It carries out vacuumizing reaction.
In a preferred embodiment of the invention, described heat vacuumizes the condition of reaction and is：Temperature is 100~120 DEG C, the time is 0.5~3.0 hour, and vacuum degree is -0.08~-0.1MPa.
In a preferred embodiment of the invention, before catalyst and coupling agent is added in, material is first cooled to 80 DEG C.
In a preferred embodiment of the invention, the vacuum defoamation reaction is vacuumized under the conditions of 100~120 DEG C Occur to bubble-free, sampling and testing NCO% contents and viscosity；When NCO% contents reach 1.0%~5.0%, 90~120 DEG C Viscosity is after 500mPaS~20000mPaS, and discharging, airtight package is to get product.
Reaction type polyurethane hot-melt adhesive prepared by the present invention is wet-solidifying single-component polyurethane adhesive, belongs to solvent-free ring Guarantor's type adhesive, applied to cloth in high moisture-inhibiting functional fabric with and film bonding, with good initial stage adhesion strength, water-fast Wash performance, solvent resistance, heat resistance and bin stability.
Functional fabric height has been captured in the reaction type polyurethane hot-melt adhesive solution that the present invention is prepared using non-ionic polyol The difficult point of moisture-inhibiting improves the performance of its Waterproof Breathable.
Specific embodiment
The present invention is further described, but be not limited to the present invention with reference to embodiment.
Embodiment 1
The preparation method of the high moisture-inhibiting functional fabric reactive polyurethane hot melt of the embodiment, its step are as follows：
1) 15 parts by weight amorphous polyester polyalcohols, 10 parts by weight Crystalline polyester polyol, 40 parts by weight polyether polyols are taken Alcohol, 4 parts of chain extenders, 1 parts by weight adhesion promoter, 0.1 parts by weight antioxidant, 0.05 parts by weight ultra-violet absorber, 0.03 Parts by weight stabilizer is added in reaction kettle, vacuum dehydration 60 minutes under the conditions of 80~120 DEG C；
2) 80 DEG C are cooled to, adds in 29 parts by weight diisocyanate while stirring；
3) 100~120 DEG C are to slowly warm up to, vacuum defoamation is reacted 60 minutes；
4) 90 DEG C are cooled to, 0.8 part of silane coupling agent of 0.02 part by weight of catalyst and weight is added in, then heats up, 100 Bubble-free appearance, tested viscosity and NCO% are evacuated under the conditions of~120 DEG C；
5) it after viscosity and NCO% qualifications, discharges, sealing is packed to get to product.
Amorphous polyester polyalcohol in the embodiment is the rising sun river chemistry EPPI-2000IPS or Dynacoll7200, is put down Equal weight average molecular weight is 2000~3500.
Crystalline polyester polyalcohol in the embodiment is product in Dynacoll7300 series, average weight-average molecular weight It is 3500.
Polyether polyol in the embodiment is Polyoxyethylene glycol, and average weight-average molecular weight is 400~2000.
Chain extender in the embodiment is 1,4-butanediol.
Adhesion promoter in the embodiment is bisphenol A epoxide resin E-44.
Antioxidant in the embodiment is 1010；Ultra-violet absorber is UV-328；Stabilizer is erucic acid；Isocyanates is Diphenyl methane and isocyanates；Catalyst is N,N-Dibenzylamine；Silane coupling agent is γ-glycidyl ether oxygen propyl three Methoxy silane.
The technical indicator of the present embodiment high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive is as follows:
Viscosity:4500mPa·S/90℃；
NCO%:4.1%；
Open hour：30min；
Storage period：Inflated with nitrogen, sealing are stored 6 months at 5~30 DEG C；
Embodiment 2
The preparation method of the high moisture-inhibiting functional fabric reactive polyurethane hot melt of the embodiment, its step are as follows：
1) 15 parts by weight amorphous polyester polyalcohols, 13 parts by weight Crystalline polyester polyol, 30 parts by weight polyether polyols are taken Alcohol, 20 parts by weight special polyols, 1 parts by weight adhesion promoter, 0.1 parts by weight antioxidant, 0.05 parts by weight ultraviolet light are inhaled Receive agent, 0.03 parts by weight stabilizer is added in reaction kettle, vacuum dehydration 60 minutes under the conditions of 80~120 DEG C；
2) 80 DEG C are cooled to, adds in 20 parts by weight isocyanates while stirring；
3) 100~120 DEG C are to slowly warm up to, vacuum defoamation is reacted 60 minutes；
4) 90 DEG C are cooled to, 0.8 part of silane coupling agent of 0.02 part by weight of catalyst and weight is added in, then heats up, 100 Bubble-free appearance, tested viscosity and NCO% are evacuated under the conditions of~120 DEG C；
5) it after viscosity and NCO% qualifications, discharges, sealing is packed to get to product.
Amorphous polyester polyalcohol in the embodiment is Dynacoll7200 or Si Taipan PH-56, PD-56, is averaged Weight average molecular weight is 2000~5500.
Crystalline polyester polyalcohol in the embodiment is the 5600 series production of product in Dynacoll7300 series or Changxing Product, average weight-average molecular weight are 2000~4000.
Polyether polyol in the embodiment is polyoxypropyleneglycol, and average weight-average molecular weight is 400~4000.
Special polyols in the embodiment are non ionic polyol, average weight-average molecular weight 1000.
Adhesion promoter in the embodiment is bisphenol A epoxide resin E-44.
Antioxidant in the embodiment is 1010；Ultra-violet absorber is UV-328；Stabilizer is erucic acid；
Isocyanates in the embodiment isocyanates for diphenyl methane；
Catalyst in the embodiment is N,N-Dibenzylamine；
Silane coupling agent in the embodiment is γ-glycidyl ether oxygen propyl trimethoxy silicane.
The technical indicator of the present embodiment functional fabric reaction type polyurethane hot-melt adhesive is as follows:
Viscosity:3500mPa·S/90℃；
NCO%:4.5%；
Open hour 50min；
Storage period：Inflated with nitrogen, sealing are stored 6 months at 5~30 DEG C；
Embodiment 3
1) 20 parts by weight amorphous polyester polyalcohols, 10 parts by weight Crystalline polyester polyol, 20 parts by weight polyether polyols are taken Alcohol, 25 parts by weight special polyols, 1 parts by weight adhesion promoter, 0.1 parts by weight antioxidant, 0.05 parts by weight ultraviolet light are inhaled Receive agent, 0.03 parts by weight stabilizer is added in reaction kettle, vacuum dehydration 60 minutes under the conditions of 80~120 DEG C；
2) 80 DEG C are cooled to, adds in 23 parts by weight isocyanates while stirring；
3) 100~120 DEG C are to slowly warm up to, vacuum defoamation is reacted 60 minutes；
4) 90 DEG C are cooled to, 0.8 part of silane coupling agent of 0.02 part by weight of catalyst and weight is added in, then heats up, 100 Bubble-free appearance, tested viscosity and NCO% are evacuated under the conditions of~120 DEG C；
5) it after viscosity and NCO% qualifications, discharges, sealing is packed to get to product.
Amorphous polyester polyalcohol in the embodiment is Dynacoll7200 or rising sun river XCP244C, average to divide equally again Son amount is 3500~5500.
Crystalline polyester polyalcohol in the embodiment is serial for product in Dynacoll7300 series or Hooke F-900, Its average weight-average molecular weight is 2000~8500.
Polyether polyol in the embodiment is polyoxypropyleneglycol, and average weight-average molecular weight is 400~4000.
Special polyols in the embodiment are non ionic polyol, average weight-average molecular weight 1000.
Adhesion promoter in the embodiment is bisphenol A epoxide resin E-44.
Antioxidant in the embodiment is 1010；Ultra-violet absorber is UV-328；Stabilizer is erucic acid；
Isocyanates in the embodiment isocyanates for diphenyl methane；
Catalyst in the embodiment is N,N-Dibenzylamine；
Silane coupling agent in the embodiment is γ-glycidyl ether oxygen propyl trimethoxy silicane.
The technical indicator of the present embodiment functional fabric reaction type polyurethane hot-melt adhesive is as follows:
Viscosity:4000mPa·S/90℃；
NCO%:4.2%；
Open hour 35min；
Storage period：Inflated with nitrogen, sealing are stored 6 months at 5~30 DEG C；
Embodiment 4
1) 20 parts by weight amorphous polyester polyalcohols, 10 parts by weight Crystalline polyester polyol, 20 parts by weight polyether polyols are taken Alcohol, 25 parts by weight special polyols, 1 parts by weight adhesion promoter, 0.1 parts by weight antioxidant, 0.05 parts by weight ultraviolet light are inhaled Receive agent, 0.03 parts by weight stabilizer is added in reaction kettle, vacuum dehydration 60 minutes under the conditions of 80~120 DEG C；
2) 80 DEG C are cooled to, adds in 23 parts by weight isocyanates while stirring；
3) 100~120 DEG C are to slowly warm up to, vacuum defoamation is reacted 60 minutes；
4) 90 DEG C are cooled to, 0.8 part of silane coupling agent of 0.02 part by weight of catalyst and weight is added in, then heats up, 100 Bubble-free appearance, tested viscosity and NCO% are evacuated under the conditions of~120 DEG C；
5) it after viscosity and NCO% qualifications, discharges, sealing is packed to get to product.
Amorphous polyester polyalcohol in the embodiment is Dynacoll7200 or rising sun river XCP244C, average to divide equally again Son amount is 3500~5500.
Crystalline polyester polyalcohol in the embodiment is serial for product in Dynacoll7300 series or Hooke F-900, Its average weight-average molecular weight is 2000~8500.
Polyether polyol in the embodiment is Polyoxyethylene glycol, and average weight-average molecular weight is 400~4000.
Special polyols in the embodiment are non ionic polyol, average weight-average molecular weight 1000.
Adhesion promoter in the embodiment is bisphenol A epoxide resin E-44.
Antioxidant in the embodiment is 1010；Ultra-violet absorber is UV-328；Stabilizer is erucic acid；
Isocyanates in the embodiment isocyanates for diphenyl methane；
Catalyst in the embodiment is N,N-Dibenzylamine；
Silane coupling agent in the embodiment is γ-glycidyl ether oxygen propyl trimethoxy silicane.
The technical indicator of the present embodiment functional fabric reaction type polyurethane hot-melt adhesive is as follows:
Viscosity:4000mPa·S/90℃；
NCO%:4.2%；
Open hour 35min；
Storage period：Inflated with nitrogen, sealing are stored 6 months at 5~30 DEG C；
Above example detection method：
The measure of viscosity：
With vertebral plate viscosimeter tested viscosity, 100 turns of rotating speed, temperature setting is 90 DEG C, time detection setting 60 seconds, by product It is packed on vertebral plate, is detected.
The measure of NCO%：
Product with excessive standard di-n-butylamine solution in butanone is reacted, is then titrated, determined with HCL solution NCO%.
The measure of open hour:
Product is melted into 30min at 120 DEG C, then applies 1mm items on batten with glass bar, with finger tip contacts, with presentation The time for going out aggressive tack is terminal
The preparation of high moisture-inhibiting functional fabric：
1st, TPU film, is coated with reaction type polyurethane hot-melt adhesive under the conditions of 80-100 DEG C, and spread is 8~20g/m2；
TPU film after gluing with cloth is bonded, is wound, health at normal temperatures cures 24 hours；
2nd, the TPU membrane face of the functional fabric of compound good TPU and cloth is being coated with the poly- ammonia of response type under the conditions of 80-100 DEG C Ester hot melt adhesive, spread are 8~20g/m2；TPU film after gluing with cloth is bonded, is wound, the curing of health at normal temperatures 24 Hour；
3rd, the functional fabric after health is tested.
4th, fabric material composite testing has selected 75D twills mechanical elastic and middle high hyaline membrane 0.015 thoroughly respectively【AMF1501】 It is compound, then carry out compound preparing functional fabric with 75D polar fleeces again.
Washing experiment：
It is carried out under washing-cycling condition of rinsing-dehydration one in fully automatic roll type washing machine, 60 DEG C of washings, washing Time for 55 minutes, use special purpose detergent, tested after washing 25 times.
Penetrability is tested：
It is tested for 2000 editions using ASTM E96；
Hydrostatic pressing is tested
It is tested using JISL1092B.
Table 1.75D twills mechanical elastic+middle high hyaline membrane 0.015 thoroughly【AMF1501+75D polar fleece items Comparison of experiment results
In terms of test case, using the compound sample of the product of the present invention than example 1,2,3,4 in water-fastness and hydrostatic pressing Upper effect is all relatively good, reaches the requirement of function and service fabric；But its penetrability can be seen that the penetrability of example 2,3,4 is bright Aobvious to be better than example 1, i.e., the introduction of non ionic polyol that the present invention emphasizes can greatly improve the moisture-inhibiting of function and service fabric Property, while polyethylene glycol oxide ethoxylated polyhydric alcohol can also contribute to the raising of penetrability with respect to polypropylene oxide ethoxylated polyhydric alcohol.

Claims (49)

1. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive, which is characterized in that by the raw material system of following parts by weight It is standby to form：
2. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that described Polyester polyol be crystalline polyester polyalcohol and/or amorphous polyester polyalcohol.
3. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described The dosage of crystalline polyester polyalcohol, according to 5~25 weights of the total amount of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive Measure part.
4. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described The dosage of amorphous polyester polyalcohol, according to 5~25 weights of the total amount of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive Measure part.
5. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described Crystalline polyester polyalcohol for adipic acid, suberic acid, decanedioic acid, dodecanedioic acid, one kind of tetracosandioic acid or arbitrary two Kind or more and ethylene glycol, butanediol, hexylene glycol, ethohexadiol, decanediol, dodecanediol, one kind or arbitrary two in diethylene glycol (DEG) Kind or more the crystalline polyester polyalcohol that forms of polycondensation.A large amount of experiment shows that crystalline polyester can improve polyurethane hot melt Initial stage adhesion strength and final adhesion strength.
6. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described Crystalline polyester polyalcohol be polycaprolactone polyol or polycarbonate polyol.
7. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described Crystalline polyester polyalcohol average weight-average molecular weight be 1000~10000.
8. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described Crystalline polyester polyalcohol average weight-average molecular weight be 500~8000.
9. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that described Crystalline polyester polyalcohol average weight-average molecular weight be 1000~6000.
10. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute The crystalline polyester polyalcohol stated is the Dynacoll7300 series of products for winning wound Degussa, 5600 series of Changxing chemistry, tiger Gram F-900 series, the XCP-1000H of rising sun river chemistry, the XCP-2000H of rising sun river chemistry, rising sun river chemistry XCP-3000H in one Kind or arbitrary two or more mixing.
11. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute The amorphous polyester polyalcohol stated is adipic acid, decanedioic acid, maleic acid, fumaric acid, terephthalic acid (TPA), M-phthalic acid, adjacent benzene One kind or arbitrary of one kind or arbitrary two or more and ethylene glycol in dioctyl phthalate, butanediol, pentanediol, diethylene glycol (DEG) or neopentyl alcohol The polymer that two or more polycondensations form.
12. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute The average weight-average molecular weight for stating amorphous polyester polyalcohol is 1000~10000.
13. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute The average weight-average molecular weight for stating amorphous polyester polyalcohol is 1000~8000.
14. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute The average weight-average molecular weight for stating amorphous polyester polyalcohol is 1000~6000.
15. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as claimed in claim 2, which is characterized in that institute It is Dynacoll7100, Dynacoll7200 series of products for winning wound Degussa, the PN- of Si Taipan to state amorphous polyester polyalcohol 110th, EPPI-2000, XCP- of the PDP-70 products of PD-56, Si Taipan of PH-56, Si Taipan of Si Taipan, rising sun river chemistry One kind or arbitrary two or more mixing in 244C polyester.
16. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage of polyether polyol is stated, according to 20~40 parts by weight of the total amount of polyurethane hot melt.
17. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The average weight-average molecular weight for stating polyether polyol is 200~4000.
18. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The average weight-average molecular weight for stating polyether polyol is 400~3000.
19. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The polyether polyol stated is polyoxypropyleneglycol, polypropylene oxide-ethylene oxide glycol, polyethylene glycol, polytetrahydrofuran ether One kind or arbitrary two or more mixture in glycol, tetrahydrofuran-propylene oxide copolymer glycols.
20. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the chain extender stated, according to 0~5 parts by weight of the total amount of polyurethane hot melt.
21. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The chain extender stated is ethylene glycol, propylene glycol, 1,4-butanediol, hexylene glycol, trimethylolpropane, neopentyl glycol, a contracting diethyl two One kind or arbitrary two or more mixture in alcohol, triethylene-glycol.
22. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The special polyols stated according to the total amount of polyurethane hot melt 0~30 parts by weight.
23. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The special polyols stated are a kind of nonionic modified polyalcohol or non ionic polyol.
24. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The average weight-average molecular weight for the special polyols stated is 200~6000.
25. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The average weight-average molecular weight for the special polyols stated is 400~4000.
26. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The average weight-average molecular weight for the special polyols stated is 600~3000.
27. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the adhesion promoter stated, according to 0~4 parts by weight of the total amount of polyurethane hot melt.
28. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the adhesion promoter stated, according to 0~2 parts by weight of the total amount of polyurethane hot melt.
29. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The adhesion promoter stated is bisphenol A epoxide resin, one kind in bisphenol epoxies F resins, bisphenol-s epoxy resin.
30. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The adhesion promoter stated is epoxy resin E-44, one kind in epoxy resin E-51, epoxy resin E-128.
31. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the antioxidant stated, according to 0~1 parts by weight of the total amount of polyurethane hot melt.
32. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the antioxidant stated, according to 0.1~0.6 parts by weight of the total amount of polyurethane hot melt.
33. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The antioxidant stated is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters (1010), three [bis- tertiary fourths of 2.4- Base phenyl] one or both of phosphite ester (168) mixing.
34. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the ultra-violet absorber stated, according to 0~1 parts by weight of the total amount of polyurethane hot melt.
35. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the ultra-violet absorber stated, according to 0.05~0.3 parts by weight of the total amount of polyurethane hot melt.
36. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The ultra-violet absorber stated for 2- (2'- hydroxyls -3', 5'- di-tert-butyl-phenyl)-benzotriazole (UV320), 2- (2'- hydroxyls - Bis- tertiary amyl phenyl of 3', 5'-) benzotriazole (UV-328), in 2- (2'- hydroxyl -5'- aminomethyl phenyls) benzotriazole (UV-P) A kind of or arbitrary two or more mixture.
37. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the stabilizer stated, according to 0.01~0.5 parts by weight of the total amount of polyurethane hot melt.
38. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The dosage for the stabilizer stated, according to 0.01~0.2 parts by weight of the total amount of polyurethane hot melt.
39. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The stabilizer stated is phosphoric acid, erucic acid, benzoic acid, one kind in citric acid or arbitrary two or more mixing.
40. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The diisocyanate stated is toluene di-isocyanate(TDI) (TDI), methyl diphenylene diisocyanate (MDI), hydrogenated diphenyl methane Diisocyanate (HMDI) isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI), carbodiimide modified Methyl diphenylene diisocyanate in one kind or arbitrary two or more mixture.
41. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute The catalyst stated is in dibutyl tin laurate, stannous octoate, triethylene diamine, triethanolamine and N,N-Dibenzylamine A kind of or arbitrary two or more mixture.
42. high moisture-inhibiting function and service fabric reaction type polyurethane hot-melt adhesive as described in claim 1, which is characterized in that institute Silane coupling agent γ aminopropyltriethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, the gamma-amino stated Propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, γ mercaptopropyltriethoxysilanes, γ-mercapto Propyl trimethoxy silicane, vinyltriethoxysilane, vinyltrimethoxysilane and (the 'beta '-methoxy ethoxy of vinyl three Base) one kind in silane or arbitrary two or more mixture.
43. the preparation method of the high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive described in Claims 1-4 2, it is characterized in that By polyester polyol, polyether polyol or/and chain extender or/and special polyols or/and adhesion promoter or/and antioxidant Or/and ultra-violet absorber or/and stabilizer are added in reaction kettle, melting is stirred, and vacuumizes dehydration；Then it is different that two are added in Cyanate, heating vacuumize reaction；Or/and it is eventually adding catalyst and coupling agent and carries out vacuum defoamation reaction and be prepared.
44. the preparation method described in claim 43, which is characterized in that the condition for vacuumizing dehydration is 80~120 DEG C, when Between for 0.5~3.0 hour, vacuum degree is -0.08~-0.1MPa.
45. the preparation method described in claim 43, which is characterized in that before diisocyanate is added in, material first cools To 80 DEG C, diisocyanate is then added in while stirring.
46. the preparation method described in claim 43, which is characterized in that after diisocyanate is added in, it is to slowly warm up to 100~ It carries out vacuumizing reaction after 120 DEG C.
47. the preparation method described in claim 43, which is characterized in that described heat vacuumizes the condition of reaction and be：Temperature is 100~120 DEG C, the time is 0.5~3.0 hour, and vacuum degree is -0.08~-0.1MPa.
48. the preparation method described in claim 43, which is characterized in that before catalyst and coupling agent is added in, material first cools down To 80 DEG C.
49. the preparation method described in claim 43, which is characterized in that the vacuum defoamation reaction is in 100~120 DEG C of conditions Under be evacuated to bubble-free appearance, sampling and testing NCO% contents and viscosity；When NCO% contents reach 1.0%~5.0%, 90~ 120 DEG C of viscosity is after 500mPaS~20000mPaS, and discharging, airtight package is to get product.
CN201711386335.1A 2017-12-20 2017-12-20 A kind of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive and preparation method thereof Pending CN108251039A (en)

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