CN110418809A - Wet-cured type polyurethane-hot melt resin combination and laminated body - Google Patents
Wet-cured type polyurethane-hot melt resin combination and laminated body Download PDFInfo
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- CN110418809A CN110418809A CN201880017673.4A CN201880017673A CN110418809A CN 110418809 A CN110418809 A CN 110418809A CN 201880017673 A CN201880017673 A CN 201880017673A CN 110418809 A CN110418809 A CN 110418809A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
- C08L75/08—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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
-
- 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/302—Water
- C08G18/307—Atmospheric humidity
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention provides a kind of wet-cured type polyurethane-hot melt resin combination, which is characterized in that the range that the melt viscosity at 120 DEG C is 160~800mPas, and the melt viscosity at 80 DEG C is the range of 850~10000mPas.In addition, the present invention provides a kind of laminated body, which is characterized in that be sequentially laminated with the solidified material layer and resin film or fiber base material of above-mentioned wet-cured type polyurethane-hot melt resin combination.Above-mentioned wet-cured type polyurethane-hot melt resin combination is preferably the composition for containing carbamate prepolymer (i), the carbamate prepolymer (i) is the reaction product of polyalcohol (a) and polyisocyanates (b), and there is isocyanate group, it is preferable to use specific substances for above-mentioned polyalcohol (a).
Description
Technical field
The present invention relates to wet-cured type polyurethane-hot melt resin combination and with the laminated body of its solidified material layer.
Background technique
For anorak, gym suit etc., in addition to when requiring generally to wear easy motility, other than portability, also want
Ask excellent penetrability, waterproofness etc..Wherein, from inhibition due to due to perspiration etc. is rested in clothes by the moisture generated in vivo
From the aspect of caused bored wet caused unplessantness displeasure, penetrability is important characteristic.
As the moisture permeable material with above-mentioned penetrability, such as disclosing will be using polyethylene glycol as the polynary of principal component
Alcohol, chain elongation agent and polyisocyanates as raw material penetrability polyurethane (referring for example to patent document 1.).
Above-mentioned penetrability polyurethane has using the high polyoxyethylene glycol of hydrophily as the principal component of raw material
Excellent penetrability, however but there is a problem of that peel strength is low.In addition, in recent years, for the substrate of moisture permeable material,
Not only have fiber base material so far, also gradually starts with substrate, Jiang Shu after implementing hydrophobic treatment to fiber base material
Film etc. of the rouge as raw material is seeking exploitation to have excellent adhesive strength using these various substrates
Material.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2003-246832 bulletin
Summary of the invention
Problems to be solved by the invention
Project to be solved by this invention is, provides a kind of wet-cured type polyurethane-hot melt resin that adhesive strength is excellent
Composition.
The method used for solving the problem
The present invention provides a kind of wet-cured type polyurethane-hot melt resin combination, which is characterized in that the melting at 120 DEG C is viscous
Degree is the range of 160~800mPas, and the melt viscosity at 80 DEG C is the range of 850~10000mPas.In addition, this hair
It is bright that a kind of laminated body is provided, which is characterized in that be sequentially laminated with the solidification of above-mentioned wet-cured type polyurethane-hot melt resin combination
Nitride layer and resin film or fiber base material.
The effect of invention
Wet-cured type polyurethane-hot melt resin combination of the invention has excellent adhesive strength.
Specific embodiment
Wet-cured type polyurethane-hot melt resin combination of the invention be the melt viscosity at 120 DEG C be 160~
The range of 800mPas, and the melt viscosity at 80 DEG C is the composition of the range of 850~10000mPas.By above-mentioned molten
Melt-viscosity within the above range, so as to embody the good wellability to substrate, obtains excellent adhesive strength.It needs
Illustrate, the melt viscosity at 120 DEG C and 80 DEG C of above-mentioned wet-cured type polyurethane-hot melt resin combination indicates to utilize cone
Plate viscosimeter and the value measured, measuring method are recorded in the examples described below.
As the melt viscosity at above-mentioned 120 DEG C, more excellent adhesive strength is obtained from the wellability by appropriateness
Viewpoint is set out, more preferably the range of 200~700mPas, further preferably the range of 300~600mPas.
As the melt viscosity at above-mentioned 80 DEG C, the sight of more excellent adhesive strength is obtained from the wellability by appropriateness
Point sets out, more preferably the range of 1500~8000mPas, the further preferably range of 2000~6000mPas, especially
The preferably range of 2200~5500mPas.
In addition, being obtained more as above-mentioned wet-cured type polyurethane-hot melt resin combination from the wellability by appropriateness
From the perspective of excellent adhesive strength, the ratio between melt viscosity at melt viscosity and 120 DEG C at above-mentioned 80 DEG C is [at 80 DEG C
Melt viscosity at melt viscosity/120 DEG C] be preferably 6~13 range, more preferably 6.5~10 range, further preferably
For 7~9.5 range.
As above-mentioned wet-cured type polyurethane-hot melt resin combination, can specifically enumerate for example containing as polyalcohol
(a) with the composition of the carbamate prepolymer (i) with isocyanate group of the reaction product of polyisocyanates (b).
As above-mentioned polyalcohol (a), such as polyether polyol can be used, polyester polyol, polycarbonate polyol, gather oneself
Lactone polyols, polybutadiene polyol, dimer diols etc..These polyalcohols can be used alone, and can also be used in combination of two or more.
As the number-average molecular weight of above-mentioned polyalcohol (a), preferably 300~10000 range, more preferably 350~
5000 range.It should be noted that the number-average molecular weight of above-mentioned polyalcohol (a) indicates to pass through gel permeation chromatography (GPC) method
The value measured under conditions of following.
Measurement device: high speed GPC device (TOSOH Co., Ltd's system " HLC-8220GPC ")
Chromatographic column: following Coupled columns connections of TOSOH Co., Ltd are used.
" TSKgel G5000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgel G4000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgel G3000 " (7.8mmI.D. × 30cm) × 1 piece
" TSKgel G2000 " (7.8mmI.D. × 30cm) × 1 piece
Detector: RI (differential refractometer)
Column temperature: 40 DEG C
Eluent: tetrahydrofuran (THF)
Flow velocity: 1.0mL/ minutes
Injection rate: 100 μ L (tetrahydrofuran solution of 0.4 mass % of sample solution concentration)
Standard testing agent: standard curve is made using following standard polystyrens.
(standard polystyren)
TOSOH Co., Ltd's system " TSKgel standard polystyren A-500 "
TOSOH Co., Ltd's system " TSKgel standard polystyren A-1000 "
TOSOH Co., Ltd's system " TSKgel standard polystyren A-2500 "
TOSOH Co., Ltd's system " TSKgel standard polystyren A-5000 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-1 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-2 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-4 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-10 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-20 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-40 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-80 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-128 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-288 "
TOSOH Co., Ltd's system " TSKgel standard polystyren F-550 "
As above-mentioned polyalcohol (a), among above-mentioned, from having a low viscosity, and obtained by the wellability of appropriateness
From the perspective of more excellent adhesive strength, polyalcohol (a-1) of the preferred number average molecular weight less than 1000 is used alone or will
Polyalcohol (a-1) of the number-average molecular weight less than 1000 and the polyalcohol (a-2) of 1000 or more number-average molecular weight are used in combination, more preferably number
The polyalcohol of the range of average molecular weight 500~800 is used alone or by the polyalcohol of the range of number-average molecular weight 300~600
It is used in combination with the polyalcohol of the range of number-average molecular weight 1000~5000.In addition, as above-mentioned polyalcohol (a-1) and (a-2), respectively
The polyester polyol of liquid preferably at polyether polyol and/or 23 DEG C.It should be noted that above-mentioned " liquid " is indicated at 23 DEG C
Under show the polyester polyol of mobility.
As above-mentioned polyalcohol (a), in the polyalcohol (a-1) and number-average molecular weight 1000 by number-average molecular weight less than 1000
Above polyalcohol (a-2) and used time, as the usage amount of above-mentioned polyalcohol (a-1), preferably in polyalcohol (a-1) and polyalcohol
(a-2) in total quality be 10 mass % or more, more preferably 20 mass % or more, further preferably 30 mass % with
On.
As above-mentioned polyether polyol, polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polyoxy can be used for example
Ethylene polyoxypropylene diols, polyoxyethylene polyoxytetramethylene glycol, polyoxypropylene polyoxytetramethylene glycol etc..These polyethers
Polyalcohol can be used alone, and also two or more kinds may be used.Wherein, more excellent from being obtained by more good wellability
Adhesive strength from the perspective of, preferred polypropylene glycol.
For polyester polyol as liquid at above-mentioned 23 DEG C, indicate that the viscosity at 23 DEG C is that 3000mPas is below
The reaction product of compound and polyacid with 2 or more hydroxyls can be used for example in substance.
As the above-mentioned compound with 2 or more hydroxyls, such as ethylene glycol, propylene glycol, butanediol, penta 2 can be used
Alcohol, hexylene glycol, heptandiol, ethohexadiol, nonanediol, decanediol, trimethylolpropane, trimethylolethane, glycerol etc..These are changed
Closing object can be used alone, and also two or more kinds may be used.
As above-mentioned polyacid, such as oxalic acid, malonic acid, succinic acid, adipic acid, decanedioic acid, azelaic acid, 12 can be used
Docosandioic acid.These polyacids can be used alone, and also two or more kinds may be used.
In addition, obtaining the viewpoint of more excellent adhesive strength from the wellability by appropriateness as above-mentioned polyalcohol (a)
It sets out, the polyether polyol of 50 mass % or more, further preferably 60 mass % or more is preferably comprised in polyalcohol (a).
As above-mentioned polyisocyanates (B), polymethylene polyphenyl polyisocyanate, two isocyanide of diphenyl methane can be used
Acid esters, carbodiimide modified methyl diphenylene diisocyanate isocyanates, benzene dimethylene diisocyanate, benzene diisocyanate
The aromatic polyisocyanates such as ester, toluene di-isocyanate(TDI), naphthalene diisocyanate；Hexamethylene diisocyanate, hexamethylene two
Isocyanates, isophorone diisocyanate, dicyclohexyl methyl hydride diisocyanate, tetramethylxylylene diisocyanate
Etc. aliphatic or alicyclic polyisocyanates etc..These polyisocyanates can be used alone, and can also be used in combination with two or more.These
In, it is preferable to use aromatic polyisocyanate, more preferable hexichol from the viewpoint of obtaining excellent reactivity and adhesive strength
Dicyclohexylmethane diisocyanate.
As the usage amount of above-mentioned polyisocyanates (B), relative to polyalcohol (a) and total the 100 of polyisocyanates (b)
Mass parts, the preferably range of 5~60 mass parts, the more preferably range of 35~49 mass parts, further preferably 37~45
Mass parts.
Above-mentioned hot melt carbamate prepolymer (i) be make above-mentioned polyalcohol (a) reacted with above-mentioned polyisocyanates (b) and
Substance, be with can with moisture present in air or be coated with wet-cured type polyurethane-hot melt resin combination substrate
Present in moisture react and formed the substance of the isocyanate group of cross-linked structure.
As the manufacturing method of above-mentioned hot melt carbamate prepolymer (i), such as it is being put into above-mentioned polyisocyanates
(b) above-mentioned polyalcohol (a) is put into reaction vessel, the isocyanate group possessed by above-mentioned polyisocyanates (b) relative to
Hydroxyl possessed by above-mentioned polyalcohol (a) makes its reaction under conditions of being in superfluous, and thus, it is possible to manufacture.
When manufacturing above-mentioned hot melt carbamate prepolymer (i), as isocyanic acid possessed by above-mentioned polyisocyanates (b)
The equivalent proportion (isocyanate group/hydroxyl) of hydroxyl possessed by ester group and above-mentioned polyalcohol (a) is further excellent from obtaining
From the perspective of peel strength, preferably 1.1~5 range, more preferably 1.3~3 range.
The hot melt carbamate prepolymer (i) obtained as the method more than passing through isocyanate group containing ratio (with
Lower abbreviation " NCO% ".), from the viewpoint of obtaining further more excellent peel strength, preferably 1.5~10 range, more
It is preferred that 3~8 range.It should be noted that the NCO% of above-mentioned hot melt carbamate prepolymer is indicated according to JISK1603-
1:2007 and the value measured using potential difference titration.
Wet-cured type polyurethane-hot melt resin combination of the invention contains above-mentioned hot melt carbamate prepolymer (i) and makees
For essential component, other additives can be contained as needed.
As other above-mentioned additives, such as curing catalysts, antioxidant, tackifier, plasticizer, stabilization can be used
Agent, filling material, dyestuff, pigment, fluorescent whitening agent, silane coupling agent, wax, thermoplastic resin etc..These additives can individually make
With can also be used in combination with two or more.
Laminated body of the invention is carried out below.
Above-mentioned laminated body is the solidified material layer for being sequentially laminated with above-mentioned wet-cured type polyurethane-hot melt resin combination and tree
The laminated body of adipose membrane or fiber base material.In addition, resin film and fiber base material can also be poly- by wet-cured type in above-mentioned laminated body
Urethane thermoplastic resin composition is bonded.
As above-mentioned resin film, it can be used with polyethylene terephthalate, polyethylene naphthalate, gather to benzene
The polyester such as dioctyl phthalate butanediol ester, olefin resin, polyacrylate, polyvinyl chloride, polyethylene, polypropylene ethylene vinyl alcohol,
The film as raw material such as polyurethane resin, polyamide, polyimide resin, fluororesin.In these, even using
In moisture-inhibiting with urethane resin films, fluorine tree such as the thermoplastic polyurethane resin (TPU) being utilized more and more in recent years on the way
In the case where adipose membrane, olefin resin film etc., by using wet-cured type polyurethane-hot melt resin combination of the invention, can also it obtain
To excellent adhesive strength.
As above-mentioned fiber base material, can be used for example based on polyester fiber, polyethylene fibre, nylon fiber, acrylic compounds
Fiber, polyurethane fiber, acetic ester fiber, rayon fiber, acid fiber by polylactic, cotton, fiber crops, silk, wool, glass fibre, carbon
Fiber, their non-woven fabrics, woven fabric, the braided fabric of blend fibre etc. etc..In addition, in the present invention, use for by they
In the case that the fiber base material being fabricated to has carried out the substrate after hydrophobic treatment according to raw material and by well known method, also can
Obtain excellent adhesive strength.
As forming consolidating for above-mentioned wet-cured type polyurethane-hot melt resin combination on above-mentioned resin film or fiber base material
The method of compound layer can be enumerated and for example be melted for example, applying on above-mentioned resin film or fiber base material with 50~130 DEG C
Above-mentioned wet-cured type polyurethane-hot melt resin combination method；It applies on processing release paper and is for example carried out with 50~130 DEG C
The above-mentioned wet-cured type polyurethane-hot melt resin combination of melting, then fits in above-mentioned resin film or fiber for the solidified material layer
The method etc. of substrate.
In above-mentioned arbitrary method, as the method for coating wet-cured type polyurethane-hot melt resin combination, can enumerate makes
With the method for such as roll coater, knife type coater, flush coater, gravure coater, comma coater, T- die coating machine, applicator etc..
After applying above-mentioned wet-cured type polyurethane-hot melt resin combination, it is dried, cures using well known method.
The thickness of solidified material layer as above-mentioned wet-cured type polyurethane-hot melt resin combination, for example, 5~200 μm
Range.
Embodiment
Hereinafter, the present invention is described in more detail using embodiment.
[embodiment 1]
In the four-hole boiling flask for having thermometer, blender, inactive gas introducing port and reflux cooler, it is added poly- third
Glycol (number-average molecular weight: 700, hereinafter referred to as " PPG700 ".) 100 mass parts, it is mixed, and carry out decompression at 70 DEG C and add
Thus heat carries out dehydration until the moisture in flask reaches 0.05 mass % or less.
Then, it will be cooled to 90 DEG C in flask, 4, the 4 '-diphenylmethane diisocyanates melted with 70 DEG C are added
Ester (hereinafter referred to as " MDI ".) 65.2 mass parts, make its reaction about 3 hours until isocyanate group with 110 DEG C under nitrogen atmosphere
Thus content constant obtains the hot melt carbamate prepolymer of NCO%:5.9 mass %.
Next, obtained carbamate prepolymer is used intaglio plate coating after 1 hour is melted with 80 DEG C
Machine (speed: gm/ minutes) is at thermoplastic polyurethane resin film (hereinafter referred to as " TPU ".) on 15g/m reached with coating weight2's
Mode is coated with.Then, it is bonded polyester fiber substrate, it is small that 3 are placed under conditions of 23 DEG C of temperature, relative humidity 65%
When, thus obtain laminated body (1).
In addition, using nylon fiber substrate instead of polyester fiber substrate, laminated body (2) have similarly been made.
[embodiment 2~5, comparative example 1~4]
According to raw material used in the manufacture for changing carbamate prepolymer (i) shown in table 1~2 like that type and match
Resultant operates similarly with example 1 in addition to this and obtains wet-cured type polyurethane-hot melt resin combination and laminated body.
[measuring method of the melt viscosity of wet-cured type polyurethane-hot melt resin combination]
Wet-cured type polyurethane-hot melt resin combination obtained in embodiment and comparative example is carried out with 80 DEG C or 120 DEG C
After melting in 1 hour, 1ml is sampled, utilizes cone and plate viscometer (MST engineering company Digital Viscometer " CV-1S RT
Type ", 40P cone, rotor speed: 50rpm), (80 DEG C or 120 DEG C of melt viscosity are determined with (40P cone, rotor speed: 50rpm)
Melt viscosity).
[evaluation method of adhesive strength]
For obtained laminated body, TENSILON (Orientec Co. Ltd. system TENSILON universal testing machine is used
" RTC-1210A "), estimated with crosshead: 200mm/ minutes conditions measure peel strength, as adhesive strength.
"○": 10N/ inches or more
"×": less than 10N/ inches
[table 1]
[table 2]
Referred to as following substance in table 1~2.
" PPG400 ": polypropylene glycol (number-average molecular weight: 400)
" PEs1 ": substance obtained by reacting diethylene glycol (DEG), neopentyl glycol, hexane diol and adipic acid；Number-average molecular weight:
2000；It is liquid under room temperature
" PPG1000 ": polypropylene glycol (number-average molecular weight: 1000)
" PPG2000 ": polypropylene glycol (number-average molecular weight: 2000)
Known to: wet-cured type polyurethane-hot melt resin combination of the invention has excellent adhesive strength.
In addition, comparative example 1 and 2 is that the melt viscosity at 120 DEG C and 80 DEG C has been used to be below model given to this invention
The embodiment of the composition enclosed, adhesive strength are insufficient.
Comparative example 3 and 4 is the group for having used the melt viscosity at 120 DEG C and 80 DEG C all to exceed range given to this invention
The embodiment of object is closed, adhesive strength is insufficient.
Claims (12)
1. a kind of wet-cured type polyurethane-hot melt resin combination, which is characterized in that the melt viscosity at 120 DEG C is 160mPa
The range of s~800mPas, and the melt viscosity at 80 DEG C is the range of 850mPas~10000mPas.
2. wet-cured type polyurethane-hot melt resin combination according to claim 1, wherein the melting at described 80 DEG C is viscous
Degree with 120 DEG C at the ratio between melt viscosity, the melt viscosity at melt viscosity/120 DEG C at i.e. 80 DEG C for 6~13 range.
3. wet-cured type polyurethane-hot melt resin combination according to claim 1 or 2, contain as polyalcohol a with
The reaction product of polyisocyanates b, carbamate prepolymer i with isocyanate group.
4. wet-cured type polyurethane-hot melt resin combination according to claim 3, wherein the polyalcohol a individually makes
Polyalcohol a-1 with number-average molecular weight less than 1000, or and the polyalcohol a-1 sum number with number-average molecular weight less than 1000 divide equally
The polyalcohol a-2 of 1000 or more son amount.
5. wet-cured type polyurethane-hot melt resin combination according to claim 3 or 4, wherein the polyalcohol a contains
The polyether polyol of 50 mass % or more.
6. wet-cured type polyurethane-hot melt resin combination according to claim 5, wherein the polyether polyol is poly-
Propylene glycol.
7. the wet-cured type polyurethane-hot melt resin combination according to any one of claim 3~6, wherein as
The usage amount of the polyisocyanates b of the raw material of the carbamate prepolymer i is relative to polyalcohol a's and polyisocyanates b
Total 100 mass parts are 35 mass parts~49 mass parts range.
8. the wet-cured type polyurethane-hot melt resin combination according to any one of claim 3~7, wherein described
Polyisocyanates b is methyl diphenylene diisocyanate.
9. a kind of laminated body, which is characterized in that it is poly- to be sequentially laminated with wet-cured type described in any one of claim 1~8
The solidified material layer of urethane thermoplastic resin composition and resin film or fiber base material.
10. laminated body according to claim 9, wherein the fiber base material is the fiber base material after hydrophobic treatment.
11. laminated body according to claim 9, wherein resin film is by fluororesin, carbamate resins or alkene tree
The film that rouge is formed.
12. laminated body according to claim 9, wherein the resin film is thermoplastic urethane resins.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-059124 | 2017-03-24 | ||
| JP2017059124 | 2017-03-24 | ||
| PCT/JP2018/008934 WO2018173768A1 (en) | 2017-03-24 | 2018-03-08 | Moisture-curable hot-melt polyurethane resin composition and laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110418809A true CN110418809A (en) | 2019-11-05 |
| CN110418809B CN110418809B (en) | 2021-11-23 |
Family
ID=63586400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880017673.4A Active CN110418809B (en) | 2017-03-24 | 2018-03-08 | Moisture-curable polyurethane hot-melt resin composition and laminate |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6481801B2 (en) |
| KR (1) | KR102220758B1 (en) |
| CN (1) | CN110418809B (en) |
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| WO (1) | WO2018173768A1 (en) |
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| CN113195666A (en) * | 2018-12-21 | 2021-07-30 | 思美定株式会社 | Moisture-curable hot-melt adhesive |
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| JP2020069686A (en) * | 2018-10-30 | 2020-05-07 | 株式会社ケー・エス・ティー | Moisture-permeable waterproof sheet and method for producing the same |
| KR20210151915A (en) * | 2019-06-25 | 2021-12-14 | 디아이씨 가부시끼가이샤 | Moisture-curable polyurethane resin composition, adhesive, and laminate |
| JP6981578B2 (en) * | 2019-09-20 | 2021-12-15 | Dic株式会社 | Moisture-curable polyurethane resin composition, adhesive, and laminate |
| JP7004115B2 (en) * | 2019-09-20 | 2022-01-21 | Dic株式会社 | Moisture-curable polyurethane resin composition, adhesive, and laminate |
| KR102499148B1 (en) * | 2019-12-02 | 2023-02-14 | 주식회사 삼양사 | Isocyanate prepolymer, polyurethane prepared by using the same, and adhesive comprising the polyurethane |
| CN111409336A (en) * | 2020-04-06 | 2020-07-14 | 河南功能高分子膜材料创新中心有限公司 | Composite waterproof membrane and preparation method thereof |
| CN113185943B (en) * | 2021-04-15 | 2022-12-20 | 上海抚佳精细化工有限公司 | Polyurethane hot melt adhesive and preparation method and application thereof |
| WO2024095530A1 (en) * | 2022-11-01 | 2024-05-10 | Dic株式会社 | Moisture-curable polyurethane hot melt resin composition, adhesive, and synthetic leather |
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| Publication number | Publication date |
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| KR20190097288A (en) | 2019-08-20 |
| KR102220758B1 (en) | 2021-02-26 |
| TWI680992B (en) | 2020-01-01 |
| JPWO2018173768A1 (en) | 2019-03-28 |
| CN110418809B (en) | 2021-11-23 |
| WO2018173768A1 (en) | 2018-09-27 |
| TW201841962A (en) | 2018-12-01 |
| JP6481801B2 (en) | 2019-03-13 |
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