CN107760245A - The compound PUR Reactive hot melt adhesives and preparation method thereof of fabric - Google Patents
The compound PUR Reactive hot melt adhesives and preparation method thereof of fabric Download PDFInfo
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- CN107760245A CN107760245A CN201610684921.3A CN201610684921A CN107760245A CN 107760245 A CN107760245 A CN 107760245A CN 201610684921 A CN201610684921 A CN 201610684921A CN 107760245 A CN107760245 A CN 107760245A
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- Prior art keywords
- parts
- hot melt
- reactive hot
- compound
- melt adhesives
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Classifications
-
- 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
- C09J175/06—Polyurethanes from polyesters
-
- 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
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/289—Compounds containing at least one heteroatom other than oxygen or nitrogen containing silicon
-
- 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
- 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a kind of compound PUR Reactive hot melt adhesives and preparation method thereof of fabric.Reactive hot melt adhesive by weight, is made up of following raw material：50 70 parts of toluene di-isocyanate(TDI), 20 25 parts of crystalline polymer polyalcohol, 12 parts of end-capping reagent, 5 15 parts of tackifying resin, 5 10 parts of filler, 15 parts of carbon black, 15 parts of silica gel, 15 parts of calcium hydroxide, 02 parts of coupling agent, 02 parts of plasticizer, 02 parts of ultraviolet absorber, 02 parts of antioxidant, 02 parts of sulfur resistive agent.
Description
Technical field
The invention belongs to PUR technical field, is related to a kind of PUR Reactive hot melt adhesives, and in particular to a kind of fabric is compound
With PUR Reactive hot melt adhesives 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 new material.It is adapted to make the textiles such as sofa, clothes, is that people live one of indispensable fabric at home.Fabric is answered
Usually using water-based, oiliness or conventional hot melt type adhesive during conjunction.
Reaction type polyurethane hot-melt adhesive is a kind of Novel adhesive to grow up on the basis of traditional hot-melt adhesive.It is main
Reacted by PPG or PEPA and diisocyanate etc., generation isocyano containing end（—NCO）Pre-polymerization
Body, add the auxiliary agents such as tackifying resin, filler, antioxidant, catalyst and be formulated, using the moisture in performed polymer and air or
The reaction of moisture on adherend surface produces preferable adhesion strength.Its reactivity is extremely strong, and using when need to be melted so
Coating after compound to forming composite material on weaving face fabric afterwards.In use, terminal isocyanato is because having
Very strong reactivity, easily reacted with active hydride, particularly water, the open hour are short, poor storage stability.And solidified
Journey pole is also easy to produce CO2, bonding layer is formed random pin hole or foaming, cause film performance to be deteriorated, adhesive strength declines.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of fabric compound PUR Reactive hot melt adhesives and its system
Preparation Method.
The present invention adopts the following technical scheme that to realize foregoing invention purpose：
Fabric is compound to use PUR Reactive hot melt adhesives, by weight, is made up of following raw material：Toluene di-isocyanate(TDI) 50-70 parts,
Crystalline polymer polyalcohol 20-25 parts, end-capping reagent 1-2 parts, tackifying resin 5-15 parts, filler 5-10 parts, carbon black
It is 1-5 parts, silica gel 1-5 parts, calcium hydroxide 1-5 parts, coupling agent 0-2 parts, plasticizer 0-2 parts, ultraviolet absorber 0-2 parts, anti-oxidant
Agent 0-2 parts, sulfur resistive agent 0-2 parts.
Preferably, by weight, it is made up of following raw material：60 parts of toluene di-isocyanate(TDI), crystalline polymer polyalcohol
22 parts, it is 1.2 parts of end-capping reagent, 8 parts of tackifying resin, 6 parts of filler, 3 parts of carbon black, 2 parts of silica gel, 1.5 parts of calcium hydroxide, even
Join 0.5 part of agent, 0.5 part of plasticizer, 1 part of ultraviolet absorber, 1 part of antioxidant, 0.5 part of sulfur resistive agent.
The present invention adds appropriate carbon black, silica gel as adsorbent in formula, and calcium hydroxide is as chemical absorbent；
In addition, plasticizer, tackifier, coupling agent, ultraviolet absorber, antioxidant, sulfur resistive agent and filler etc. are incorporated also in glue, significantly
Enhance the pliability of Reactive hot melt adhesive, compound fastness, stability and inoxidizability.
When the water content of glued base material is higher, air humidity is larger, sizing material-NCO group content is higher, solidification temperature
When higher, curing rate is very fast, is also easy to produce more CO in this case2Gas.CO2Formed bonding layer during effusion random
Pin hole or foaming, cause film performance to be deteriorated, adhesive strength decline.Therefore, appropriate carbon black and silica gel are added in formula to make
It is adsorbent and calcium hydroxide as chemical absorbent.
Crystalline polymer polyalcohol of the present invention is the polyester diol that molecular weight is 2000-2500.
End-capping reagent of the present invention for it is double-（3- methoxyl group silicon propyl group）Amine.
The compound preparation method with PUR Reactive hot melt adhesives of fabric of the present invention, step are as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 3-5h is carried out in 100 DEG C of vacuum drying chamber；
2）50-60 DEG C is cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, treats temperature
90-100 DEG C is risen to, is incubated 30-60min, is continuously heating to 100-110 DEG C, end-capping reagent is added, stirring reaction 3-5h, adds
Remaining raw material in formula, is stirred, and vacuum removal bubble, produces.
The beneficial effects of the present invention are：
1st, polyurethane terminal isocyanate base is converted into silane oxygen groups by the addition of end-capping reagent, effectively improves end group isocyanic acid
Ester group meets the situation that water forms cross-linked gel, improves storage stability, according to silicone cure mechanism during silane oxygen groups film forming, Gu
Typically be not in solidification foaming phenomena during change, and end-blocking degree and curing rate possess adjustability.
2nd, the present invention from it is double-（3- methoxyl group silicon propyl group）Amine is as end-capping reagent, and it is active secondary amine base silane, and it possesses
Excellent reactivity, and cost is relatively low, and the process of polyurethane prepolymer blocking modification is easily controlled.
3rd, appropriate carbon black is added in being formulated, silica gel is inhaled as adsorbent, calcium hydroxide as chemical absorbent, absorption
Receive CO caused by solidification2；In addition, plasticizer, coupling agent, tackifier, ultraviolet absorber, antioxidant, anti-is incorporated also in glue
Vulcanizing agent and filler etc., the pliability of Reactive hot melt adhesive, compound fastness, stability and inoxidizability are significantly enhanced, effectively
Extend the open hour.
Embodiment
The essentiality content of the present invention is described in further detail with reference to embodiment.
Embodiment 1
Fabric is compound to use PUR Reactive hot melt adhesives, by weight, is made up of following raw material：50 parts of toluene di-isocyanate(TDI), crystallization
20 parts of polymer polyatomic alcohol of property, 1 part of end-capping reagent, 5 parts of tackifying resin, 5 parts of filler, 1 part of carbon black, 1 part of silica gel, hydrogen-oxygen
Change 1 part of calcium.
Embodiment 2
Fabric is compound to use PUR Reactive hot melt adhesives, by weight, is made up of following raw material：70 parts of toluene di-isocyanate(TDI), crystallization
25 parts of polymer polyatomic alcohol of property, 2 parts of end-capping reagent, 15 parts of tackifying resin, 10 parts of filler, 5 parts of carbon black, 5 parts of silica gel, hydroxide
5 parts of calcium, 2 parts of coupling agent, 2 parts of plasticizer, 2 parts of ultraviolet absorber, 2 parts of antioxidant, 2 parts of sulfur resistive agent.
Described crystalline polymer polyalcohol is the polyester diol that molecular weight is 2000.
Embodiment 3
Fabric is compound to use PUR Reactive hot melt adhesives, by weight, is made up of following raw material：60 parts of toluene di-isocyanate(TDI), crystallization
23 parts of polymer polyatomic alcohol of property, it is double-（3- methoxyl group silicon propyl group）1.2 parts of amine, 10 parts of tackifying resin, 8 parts of filler, charcoal
Black 2 parts, 1.5 parts of silica gel, 2.5 parts of calcium hydroxide, 1 part of coupling agent, 0.5 part of plasticizer, 1.5 parts of antioxidant.
Described crystalline polymer polyalcohol is the polyester diol that molecular weight is 2500.
Embodiment 4
Fabric is compound to use PUR Reactive hot melt adhesives, by weight, is made up of following raw material：60 parts of toluene di-isocyanate(TDI), crystallization
22 parts of polymer polyatomic alcohol of property, it is double-（3- methoxyl group silicon propyl group）1.2 parts of amine, 8 parts of tackifying resin, 6 parts of filler, carbon black
3 parts, 2 parts of silica gel, 1.5 parts of calcium hydroxide, 0.5 part of coupling agent, 0.5 part of plasticizer, 1 part of ultraviolet absorber, 1 part of antioxidant,
0.5 part of sulfur resistive agent.
Described crystalline polymer polyalcohol is the polyester diol that molecular weight is 2200.
In inventive formulation it is double-（3- methoxyl group silicon propyl group）Amine blocks Chemical Co., Ltd. purchased from Hangzhou Jesse.
Embodiment 5
The present embodiment is the preparation method of embodiment 1, and step is as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 4h is carried out in 100 DEG C of vacuum drying chamber；
2）50 DEG C are cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, is treated in temperature
95 DEG C are risen to, is incubated 60min, is continuously heating to 100 DEG C, adds end-capping reagent, stirring reaction 5h, remaining original added in formula
Material, is stirred, vacuum removal bubble, produces.
Embodiment 6
The present embodiment is the preparation method of embodiment 2, and step is as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 3h is carried out in 100 DEG C of vacuum drying chamber；
2）60 DEG C are cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, is treated in temperature
100 DEG C are risen to, is incubated 30min, is continuously heating to 110 DEG C, adds end-capping reagent, stirring reaction 3h, remaining original added in formula
Material, is stirred, vacuum removal bubble, produces.
Embodiment 7
The present embodiment is the preparation method of embodiment 3, and step is as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 4h is carried out in 100 DEG C of vacuum drying chamber；
2）55 DEG C are cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, is treated in temperature
95 DEG C are risen to, is incubated 50min, is continuously heating to 105 DEG C, adds end-capping reagent, stirring reaction 4h, remaining original added in formula
Material, is stirred, vacuum removal bubble, produces.
Embodiment 8
The present embodiment is the preparation method of embodiment 4, and step is as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 5h is carried out in 100 DEG C of vacuum drying chamber；
2）50 DEG C are cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, is treated in temperature
90 DEG C are risen to, is incubated 60min, is continuously heating to 100 DEG C, adds end-capping reagent, stirring reaction 5h, remaining original added in formula
Material, is stirred, vacuum removal bubble, produces.
The apparent viscosity of the PUR Reactive hot melt adhesives of the present invention is 5300MPas, open hour 6min, 24 hours heat endurances
It is stable.
The PUR Reactive hot melt adhesives of the present invention are subjected to fabric composite testing, with commercially available adhesive group as a comparison, selected
Three kinds of 100D polar fleeces, 55D looped fabrics, 50D spandex fabrics cloth have made three kinds of samples respectively as sample base fabric.To three kinds
Sample washes the testing experiment of peel strength after preceding and washing respectively, and result of the test is shown in Table 1：
Table 1 washes the testing experiment result table of peel strength after preceding and washing
。
From table 1, PUR of the invention washing conservation rate of decaying is substantially better than commercially available prod, will not be in the suds because
Bonding intensity declines and produces quality problems.
Claims (5)
1. fabric is compound to use PUR Reactive hot melt adhesives, it is characterised in that：By weight, it is made up of following raw material：Toluene diisocyanate
Acid esters 50-70 parts, crystalline polymer polyalcohol 20-25 parts, end-capping reagent 1-2 parts, tackifying resin 5-15 parts, filler
5-10 parts, carbon black 1-5 parts, silica gel 1-5 parts, calcium hydroxide 1-5 parts, coupling agent 0-2 parts, plasticizer 0-2 parts, ultraviolet absorber 0-
2 parts, antioxidant 0-2 parts, sulfur resistive agent 0-2 parts.
2. fabric according to claim 1 is compound to use PUR Reactive hot melt adhesives, it is characterised in that：By weight, by following
Raw material forms：60 parts of toluene di-isocyanate(TDI), 22 parts of crystalline polymer polyalcohol, 1.2 parts of end-capping reagent, tackifying resin 8
Part, 6 parts of filler, 3 parts of carbon black, 2 parts of silica gel, 1.5 parts of calcium hydroxide, 0.5 part of coupling agent, 0.5 part of plasticizer, ultraviolet suction
Receive 1 part of agent, 1 part of antioxidant, 0.5 part of sulfur resistive agent.
3. fabric according to claim 1 is compound to use PUR Reactive hot melt adhesives, it is characterised in that：Described crystallinity is gathered
Compound polyalcohol is the polyester diol that molecular weight is 2000-2500.
4. fabric according to claim 1 is compound to use PUR Reactive hot melt adhesives, it is characterised in that：Described end-capping reagent is
Double-（3- methoxyl group silicon propyl group）Amine.
5. the compound preparation method with PUR Reactive hot melt adhesives of fabric according to claim 1, it is characterised in that：Step
It is as follows：
1）The crystalline polymer polyalcohol of formula ratio is put into the vacuum dehydration that 3-5h is carried out in 100 DEG C of vacuum drying chamber；
2）50-60 DEG C is cooled to, product is added in reactor, adds toluene di-isocyanate(TDI), is slowly stirred, treats temperature
90-100 DEG C is risen to, is incubated 30-60min, is continuously heating to 100-110 DEG C, end-capping reagent is added, stirring reaction 3-5h, adds
Remaining raw material in formula, is stirred, and vacuum removal bubble, produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684921.3A CN107760245A (en) | 2016-08-18 | 2016-08-18 | The compound PUR Reactive hot melt adhesives and preparation method thereof of fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610684921.3A CN107760245A (en) | 2016-08-18 | 2016-08-18 | The compound PUR Reactive hot melt adhesives and preparation method thereof of fabric |
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| Publication Number | Publication Date |
|---|---|
| CN107760245A true CN107760245A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610684921.3A Pending CN107760245A (en) | 2016-08-18 | 2016-08-18 | The compound PUR Reactive hot melt adhesives and preparation method thereof of fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423837A (en) * | 2020-04-08 | 2020-07-17 | 上海抚佳精细化工有限公司 | TPU hot melt adhesive and preparation method thereof |
| CN113150733A (en) * | 2021-03-12 | 2021-07-23 | 东莞聚力创新材料科技有限公司 | Removable reactive polyurethane hot melt adhesive and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111423837A (en) * | 2020-04-08 | 2020-07-17 | 上海抚佳精细化工有限公司 | TPU hot melt adhesive and preparation method thereof |
| CN113150733A (en) * | 2021-03-12 | 2021-07-23 | 东莞聚力创新材料科技有限公司 | Removable reactive polyurethane hot melt adhesive and preparation method thereof |
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Application publication date: 20180306 |