CN107523255A - A kind of moisture-curable polyurethane hot melt adhesive for faced deorative - Google Patents
A kind of moisture-curable polyurethane hot melt adhesive for faced deorative Download PDFInfo
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- CN107523255A CN107523255A CN201710813219.7A CN201710813219A CN107523255A CN 107523255 A CN107523255 A CN 107523255A CN 201710813219 A CN201710813219 A CN 201710813219A CN 107523255 A CN107523255 A CN 107523255A
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- moisture
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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
-
- 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
- C08G18/4063—Mixtures of compounds of group C08G18/62 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
- C08G18/48—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
- C08G18/28—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
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
-
- 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
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
Abstract
The invention discloses a kind of moisture-curable polyurethane hot melt adhesive for faced deorative, it mainly includes the components such as crystalline polyester polyalcohol, PPG, acrylic resin and isocyanates, the PUR solid content 100%, just viscous and viscous intensity is high eventually, antistripping is good, and positioning time is short, and bonding is closely knit, cured glue film is soft, springiness, high and low temperature resistance is good, can be widely applied to the faced deorative of furniture and dalle.
Description
Technical field
The present invention relates to a kind of smooth glue, more particularly to a kind of poly- ammonia of moisturecuring for faced deoratives such as furniture and sheet materials
Ester PUR, belongs to field of adhesive technology.
Background technology
Faced deorative refers to modify the surface of furniture, sheet material by trim, assigns furniture surface attractive in appearance, and
The erosion to material such as moisture, acid, alkali, microorganism and insect in environment can be prevented, makes furniture, sheet material etc. more durable.
And it is smooth, the surface for referring to decorate for needs is smooth, and a kind of faced deorative when area is relatively large.It is general flat
It is all use smooth glue to paste decoration process, the decoration technology such as presses using flat push type gluing and in proper order, it is desirable to catch up with most liquid laminate
In bubble, it is ensured that " cavity " is not present between base material and veneerer, closely knit to be adjacent to, whole face bonding is firm.Exist in the prior art
In furniture, building material industry, substantially based on solvent adhesive or water-base cement, its resin component includes the adhesive that decoration process uses
Epoxy, phenolic aldehyde, ureaformaldehyde, carbamide, white glue with vinyl, all-purpose adhesive etc..It is solid that these adhesive have the drawback that needs heat
Change, or require that the moisture content of glued material is low, more fatal, these adhesive containing free formaldehyde or have damage ring
The organic solvent in border, human health, production and living environment are had an impact.From glue-applying technique, their solidification
Journey needs that chemical crosslink reaction or solvent flashing occurs, and from applying glue (painting, spray, brush, roller coat etc.), to primary solidification, (two kinds by viscous part
Between position) need the regular hour, thus limit the automation with glue process and operating efficiency.
In recent years, moisture-curable polyurethane hot melt adhesive stick (abbreviation PUR) is greatly developed because of its feature of environmental protection, its be by
Isocyanate-terminated polyurethane prepolymer is the hotmelt of 100% solid content of main component, is essentially at normal temperatures
Solid, without solvent and plasticizer, overcome the shortcomings that cladding glue need to use a large amount of organic solvents in the past.Moisture cure urethanes heat
Melten gel stick makes its liquid liquefied when in use, by heating, then is applied over adherend surface, another adherend in fitting,
After adhesive cools down and solidifies, it is and chain extension by isocyanates and the reaction of moisture in the moisture or air on adherend surface
High-molecular compound, so as to produce bonding force.Existing moisturecuring melt polyurethane adhesives after hardening, have preferable
Adhesion strength, and there is preferable stability under high/low temperature condition, it is also retainable on e.g., from about 100 DEG C to about 130 DEG C
High-tensile.But the problem of it is present is, opening state at it has small wet strength, after adhesive is applied, with reference to work
Part may need the mechanical support of outside until adhesive is solidified into firm resilient, crosslinked adhesive layer, and the formation of robust bond
One section of hardening time is needed, from a few houres how many days.Heated for existing furniture and ornamental urethane moisturecuring
The defects of glue is present, researcher are directed to the exploitation urethane Moisture-curable hot melt adhesive that curing rate is fast, initial adhesive strength is high.Such as China specially
Sharp (CN 102690627A) discloses a kind of polyurethane moisturecuring and heats smooth glue and preparation method thereof.Specific open polyurethane
The raw material that moisturecuring heats smooth glue includes polyester polyols alcohol mixture, polyether polyol mixtures, the isocyanic acid of benzhydryl two
Ester, plasticizer, chain extender, tackifier, catalyst;Wherein, the relative molecular mass of polyester polyols alcohol mixture be 1000~
5000;The relative molecular mass of polyether polyol mixtures is 1500~6000;Its positioning time is short, and patch adorns film and by decorations base material
Between paste quick, accurate, adhesive strength is high, and antistripping is good, and the glued membrane after solidification is soft, springiness, not cold short, energy under low temperature
Water-fast, weak acid and weak base and less than 80 DEG C of use environment, but its open hour is relatively long.Chinese patent
(CN106221648A) a kind of quick assembling moisture-curable polyurethane hot melt adhesive stick is disclosed.The poly- ammonia of moisturecuring of quick assembling
Ester hot melt adhesive composition, includes polyurethane prepolymer;Described polyurethane prepolymer includes polyol component and isocyanic acid
The prepolymerization reaction product of ester component, described polyol component include crystalline polyester polyol, liquid polyester polyol, thermoplasticity
Polyurethane high polymer, Tg are not less than 50 DEG C of thermoplastic resin.The moisture cure urethanes heat of quick assembling provided by the invention
Melten gel stick, accelerate cooling positioning, improve early strength, suitable for the quick assembling of streamline, its surface drying time 1~
1.5min, 2 minutes 0.1~0.24MPa of pull strength, but its not clear and definite final strength.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention is intended to provide a kind of solid content 100%, just glues and glue eventually strong
Degree is high, and antistripping is good, and positioning time is short, and bonding is closely knit, and cured glue film is soft, springiness, and high and low temperature resistance is good wet solid
Change polyurethane hot melt, can be widely applied to the faced deorative of furniture and dalle.
In order to realize above-mentioned technical purpose, the invention provides a kind of moisture cure urethanes hot melt for faced deorative
Glue, it includes following content of component:10~50 parts of crystalline polyester polyalcohol;20~70 parts of PPG;Acrylic acid tree
10~50 parts of fat;10~30 parts of isocyanates.
The moisture-curable polyurethane hot melt adhesive key of the present invention is crystalline polyester polyalcohol, PPG and propylene
Acid resin is applied in combination, and the crystalline polyester polyalcohol of use can increase PUR to different materials later stage adhesive strength and itself
Cohesive strength, while the stationkeeping ability of glue is added, and the initial stripping that acrylic resin can improve increase glue is strong
Degree, both, which are applied in combination, can obtain thick, the stationkeeping ability strong adhesive high with final peel strength that begin, and PPG can
Promote acrylic resin dissolving, improve the compatibility between component.
The number-average molecular weight of preferable crystalline polyester polyalcohol is 1000~8000.More preferably crystalline polyester is polynary
Alcohol includes CMA-66, CMA-44, CMA-2066 of Huada Chemical Group Co., Ltd., Xuchuan Chemical (Suzhou) Co., Ltd.
XCP-3000B, XCP-44, XCP-2000H, XCP-3000H, POL-S3500, POL- of Qingdao New Yutian Chemical Co., Ltd.
328th, at least one of dynacoll-7360, dynacoll-7361 of Ying Chuan Specialty Chemicals (Shanghai) Co., Ltd..Polyester is more
For first alcohol molecular weight preferably in the range of 1000~8000, molecular weight is too small, consumes excessive isocyanates, holds during moisturecuring
Bubble is also easy to produce, causes glue-line partially hard after moisturecuring in addition, elasticity reduces, and elongation at break reduces.Molecular weight is excessive, adhesive
Viscosity becomes big, and mobility reduces, while NCO% contents diminish, and influence the intensity of later stage glue-line.
The number-average molecular weight of preferable PPG is 400~8000.More preferably it is blue to include Shandong for PPG
DL-400, DL-1000D of Xing Dong great Co., Ltds, DL-2000D, DL-4000D, EP-330N, DOW Chemical MN-3050D,
At least one of VOANOL 2110TB, VOANOL 2120, VOANOL 4240.The molecular weight of PPG preferably 400~
In the range of 8000, molecular weight is too small, consumes excessive isocyanates, easily produces bubble during moisturecuring, in addition moisturecuring
After cause glue-line partially hard, elasticity reduce, elongation at break reduce.Molecular weight is excessive, and adhesive viscosity becomes big, and mobility reduces,
NCO% contents diminish simultaneously, influence the intensity of later stage glue-line.
The Tg of preferable acrylic resin is 30~90 DEG C, and number-average molecular weight is 30000~140000.More preferably propylene
The AC1630 of BR-106, BR113, Ying Chuan Specialty Chemical (Shanghai) Co., Ltd. of acid resin including Mitsubishi resin,
AC1520, AC1631, AC1750, AC1920, AC2740, AC4830, Rhom and Hass of the U.S. B-60, B-66, B-44, B-
48th, B-67, the NeoCryl B-722 of DSM fine chemistry industry (Shanghai) Co., Ltd., NeoCryl B-723, NeoCryl B-
725th, NeoCryl B-735, NeoCryl B-810, NeoCryl B-813, Lu Caite international (China) Chemical Co., Ltd.
At least one of Lucite 4026, Lucite 2013, Lucite 2013, Lucite 2044.
Preferable isocyanates includes at least one of HDI, MDI, TDI, HMDI, TMXDI, IPDI.
Being preferably used in the moisture-curable polyurethane hot melt adhesive of faced deorative also includes≤10 parts of liquid polyester polyols.It is preferred that
Moisture-curable polyurethane hot melt adhesive improve the adhesiveness of PUR and mobility by adding appropriate liquid polyester polyol.
Preferable liquid polyester polyol number-average molecular weight is 1000~6000.More preferably liquid polyester polyol includes
The dynacoll-7250, dynacoll-7230 of Ying Chuan Specialty Chemicals (Shanghai) Co., Ltd., chemical (Suzhou) the limited public affairs in rising sun river
XCP-2000IPS, XCP-2325 of department, XCP-2000NB, the T-244-4000 of Huada Chemical Group Co., Ltd., Qingdao Sunyu
In POL-756, POL-656 of field Chemical Co., Ltd., PH-56, PD-56 of Nanjing Nanjing Si Taipan Chemical Co., Ltd.s at least
It is a kind of.
Preferable moisture-curable polyurethane hot melt adhesive stick also include≤30 parts of fillers and/or≤5 parts of antioxidants and/or
0.5 part of catalyst, and/or 10 parts of tackifying resins.Preferable filler is included in talcum powder, calcium carbonate, white carbon, titanium dioxide at least
It is a kind of.Preferable antioxidant includes 1010,168, at least one of T501, B215.It is double that preferable catalyst includes double morpholinyls
At least one of ethylether, N, N- dimethyl cyclohexyl amines, triethylamine.The softening point of preferable tackifying resin is 70~150 DEG C.Compared with
The sylvatac RE-85 including Arizona of preferable tackifying resin, sylvatac RE-100L, Eastman Chemical
The good YL- of Kristalex 3100, Kristalex 3085, Kristalex 5140, Piccolastic A75, Taiwan member
120th, at least one of the NOVARES TK100 of Johanna Lüttge, NOVARES TN120.
The preparation method of the moisture-curable polyurethane hot melt adhesive of the present invention:By PEPA, PPG, acrylic acid tree
Fat, tackifying resin, filler etc. are added in reactor, are warming up to 120 DEG C, are drawn water, and are cooled to 90~100 DEG C, add catalyst,
Antioxidant, MDI is slowly added to, reacts 2~3h, reacted to the NCO% contents of product and reach theoretical value, stop reaction, discharging.
Compared with prior art, the advantageous effects that technical scheme is brought:
1st, moisture-curable polyurethane hot melt adhesive of the invention has especially excellent initial adhesive strength and viscous intensity, and hardening time eventually
Short, bonding is closely knit, and cured glue film is soft, springiness, and high and low temperature resistance is good.
2nd, moisture-curable polyurethane hot melt adhesive of the invention is free of any organic solvent, solid content 100%, is processing and is using
During without Small molecule organic solvents discharge, there is environment-friendly advantage.
3rd, moisture-curable polyurethane hot melt adhesive moisture-curable of the invention, no drying process, quick solidifying is simple to operate, favorably
In raising operating efficiency and automation.
Embodiment
Following examples are intended to further illustrate present invention, rather than the protection model of limitation the claims in the present invention
Enclose.
The preparation method of moisture-curable polyurethane hot melt adhesive in following examples and comparative example:By PEPA, gather
Ethoxylated polyhydric alcohol, acrylic resin, tackifying resin, filler etc. are added in reactor, are warming up to 120 DEG C, are drawn water, are cooled to 95
DEG C, catalyst, antioxidant are added, is slowly added to MDI, 2.5h is reacted, reacts to the NCO% contents of product and reach theoretical value (about
For 2 or so), stop reaction, discharging.
Embodiment 1:
Test related data
Viscosity (130 degree):7000cp, partly reflect the mobility of glue;
Initial bonding strength:0.3N/mm;
Final peel strength:2.1N/mm;
Open hour:1.5min.
Comparative example 1
Test related data
Viscosity (130 degree):4000cp
Initial bonding strength:0.05N/mm
Final peel strength:1.4N/mm.
Open hour:10min
For the relative contrast's embodiment 1 of embodiment 1, the glass transition temperature and molecular weight of acrylic resin will big (AC 1630
Molecular weight is bigger than AC 1420) so that hardening time shortens, and initial bonding strength and final adhesive strength are big.Smooth glue
PUR, it is desirable to which initial bonding strength is big, and surface drying time is short, and adhesive strength is high, and Comparatively speaking, molecular weight and glass transition temperature are in certain limit
Interior acrylic resin has the balance of more preferable initial bonding strength and final adhesive strength, acrylic resin glass transition temperature
Excessive with molecular weight, initial bonding strength is excessive, and the open hour are too short so that glue adhesive property is deteriorated.Acrylic resin glass
Glass temperature and molecular weight are too small, and initial bonding strength is too small, and the open hour are long, glue adhesive strength step-down.
Comparative example 2:
Test related data
Viscosity (130 degree):9000cp
Initial bonding strength:0.8N/mm
Final peel strength:0.5N/mm.
Open hour:30s
For the comparative example 1 of comparative example 2, crystalline resins dynacoll-7381 crystallization rates are too fast, the open hour
It is too short so that final adhesive strength is less than normal.Crystallization rate is too fast so that glue soak time is too short, the adhesive property in glue later stage
It is affected.
Embodiment 2
Test related data
Viscosity (130 degree):7500cp parts reflect the mobility of glue;
Initial bonding strength:0.3N/mm;
Final peel strength:2.5N/mm.
Open hour:5min
For embodiment 2 with respect to for embodiment 1, liquid polyester polyol PH56 addition causes the glue open hour slightly to prolong
Long, final adhesive strength has increased, the adhesive property of material has been improved.The addition of liquid polyester polyol causes glue
Adhesive strength improves.
Comparative example 3
Obvious split-phase state is presented in glue at high temperature, and acrylic resin can only preferably dissolve in PPG,
It can not be dissolved in other such as PEPA or polytetrahydrofuran polyols.
Claims (10)
- A kind of 1. moisture-curable polyurethane hot melt adhesive for faced deorative, it is characterised in that:Including following content of component:10~50 parts of crystalline polyester polyalcohol;20~70 parts of PPG;10~50 parts of acrylic resin;10~30 parts of isocyanates.
- 2. the moisture-curable polyurethane hot melt adhesive according to claim 1 for faced deorative, it is characterised in that:The crystallization The number-average molecular weight of type PEPA is 1000~8000.
- 3. the moisture-curable polyurethane hot melt adhesive according to claim 2 for faced deorative, it is characterised in that:The crystallization Type PEPA include CMA-66, CMA-44, CMA-2066, POL-S3500, POL-328, dynacoll-7360, At least one of dynacoll-7361, XCP-3000B, XCP-44, XCP-2000H, XCP-3000H.
- 4. the moisture-curable polyurethane hot melt adhesive for faced deorative according to any one of claims 1 to 3, its feature exist In:The number-average molecular weight of the PPG is 400~8000;The Tg of the acrylic resin is 30~90 DEG C, and number-average molecular weight is 30000~140000.
- 5. the moisture-curable polyurethane hot melt adhesive according to claim 4 for faced deorative, it is characterised in that:The polyethers Polyalcohol include DL-400, DL-1000D, DL-2000D, DL-4000D, EP-330N, MN-3050D, VOANOL 2110TB, At least one of VOANOL 2120, VOANOL 4240.
- 6. the moisture-curable polyurethane hot melt adhesive according to claim 4 for faced deorative, it is characterised in that:The propylene Acid resin include BR-106, BR113, AC1630, AC1520, AC1631, AC1750, AC1920, AC2740, AC4830, B-60, B-66、B-44、B-48、B-67、NeoCryl B-722、NeoCryl B-723、NeoCryl B-725、NeoCryl B-735、 In NeoCryl B-810, NeoCryl B-813, Lucite 4026, Lucite 2013, Lucite 2013, Lucite 2044 It is at least one;The isocyanates includes at least one of HDI, MDI, TDI, HMDI, TMXDI, IPDI.
- 7. according to the moisture-curable polyurethane hot melt adhesive for faced deorative described in claims 1 to 3 or 5 any one, its feature It is:The moisture-curable polyurethane hot melt adhesive for faced deorative also includes≤10 parts of liquid polyester polyols.
- 8. the moisture-curable polyurethane hot melt adhesive according to claim 7 for faced deorative, it is characterised in that:The liquid PEPA number-average molecular weight is 1000~6000.
- 9. the moisture-curable polyurethane hot melt adhesive according to claim 8 for faced deorative, it is characterised in that:The liquid PEPA include XCP-2000IPS, T-244-4000, XCP-2325, XCP-2000NB, dynacoll-7250, dynacoll-7230、XCP-2000IPS、T-244-4000、XCP-2325、XCP-2000NB、POL-756、POL-656、PH- 56th, at least one of PD-56.
- 10. the smooth moisture-curable polyurethane hot melt adhesive of sheet material that is used for according to claims 1 to 3,5,8,9 any one glues Agent, it is characterised in that:The moisture-curable polyurethane hot melt adhesive stick also includes≤30 parts of fillers, and/or≤5 parts of antioxidants, And/or≤0.5 part of catalyst, and/or≤10 parts of tackifying resins;The filler includes at least one of talcum powder, calcium carbonate, white carbon, titanium dioxide;The antioxidant includes 1010,168, at least one of T501, B215;The catalyst includes double morpholinyl sulfuric ethers, at least one of N, N- dimethyl cyclohexyl amines, triethylamine;The thickening Resin include sylvatac RE-85, sylvatac RE-100L, Kristalex 3100, Kristalex 3085, Kristalex 5140, Piccolastic A75, YL-120, NOVARES TK100, NOVARES TN120 are at least one.
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CN109266286A (en) * | 2018-09-07 | 2019-01-25 | 黄伟贤 | A kind of PUR product processing method with the high initial bonding strength long open hour |
CN110330626A (en) * | 2019-05-30 | 2019-10-15 | 上海唯万密封科技有限公司 | Sealing fire-resistant high-resiliency polyurethane and its processing technology |
CN111303824A (en) * | 2020-04-20 | 2020-06-19 | 常州威斯敦粘合材料有限责任公司 | Moisture-curing polyurethane hot melt adhesive, preparation method and application thereof, and steel member |
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CN112646530A (en) * | 2020-12-18 | 2021-04-13 | 黄世斌 | Moisture-curing hot melt adhesive capable of being rapidly cured at low temperature |
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CN108977155A (en) * | 2018-06-25 | 2018-12-11 | 江苏科琪高分子材料研究院有限公司 | Wet-curing reaction type polyurethane hot melt adhesives composition and preparation method thereof |
CN109266286A (en) * | 2018-09-07 | 2019-01-25 | 黄伟贤 | A kind of PUR product processing method with the high initial bonding strength long open hour |
CN110330626A (en) * | 2019-05-30 | 2019-10-15 | 上海唯万密封科技有限公司 | Sealing fire-resistant high-resiliency polyurethane and its processing technology |
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CN111849408A (en) * | 2020-06-22 | 2020-10-30 | 上海回天新材料有限公司 | Moisture-curing polyurethane hot melt adhesive with high initial adhesion strength and preparation method thereof |
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CN112646530A (en) * | 2020-12-18 | 2021-04-13 | 黄世斌 | Moisture-curing hot melt adhesive capable of being rapidly cured at low temperature |
CN112980386B (en) * | 2021-02-05 | 2023-01-10 | 华威粘结材料(上海)股份有限公司 | Polyurethane moisture-curing hot melt adhesive and preparation method and application thereof |
CN112980386A (en) * | 2021-02-05 | 2021-06-18 | 华威粘结材料(上海)股份有限公司 | Polyurethane moisture-curing hot melt adhesive as well as preparation method and application thereof |
CN114736642A (en) * | 2021-08-02 | 2022-07-12 | 无锡市万力粘合材料股份有限公司 | Reactive polyurethane hot melt adhesive for fabricated building and preparation method thereof |
CN113881386A (en) * | 2021-10-27 | 2022-01-04 | 张家港飞腾复合新材料股份有限公司 | Composite hot melt adhesive and composite board using same |
CN115404036A (en) * | 2022-01-12 | 2022-11-29 | 嘉兴学院 | Moisture-curing polyurethane hot melt adhesive and preparation method thereof |
CN115404036B (en) * | 2022-01-12 | 2024-01-30 | 嘉兴学院 | Moisture-curing polyurethane hot melt adhesive and preparation method thereof |
WO2024055230A1 (en) * | 2022-09-15 | 2024-03-21 | Henkel Ag & Co. Kgaa | Moisture-curable polyurethane hot melt adhesive composition |
CN115820193A (en) * | 2022-11-30 | 2023-03-21 | 康菲胶粘剂技术(广东)有限公司 | Polyurethane hot melt adhesive for thin base material and preparation method thereof |
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