CN106753045A - A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof - Google Patents
A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN106753045A CN106753045A CN201611096421.4A CN201611096421A CN106753045A CN 106753045 A CN106753045 A CN 106753045A CN 201611096421 A CN201611096421 A CN 201611096421A CN 106753045 A CN106753045 A CN 106753045A
- Authority
- CN
- China
- Prior art keywords
- reactor
- pressure sensitive
- sensitive adhesive
- polyurethane
- high temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C09J107/00—Adhesives based on natural rubber
-
- 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
- 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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof, is related to field of adhesive technology, and its weight proportion for including following components and each component is：Natural rubber：10 20 weight portions, base polyurethane prepolymer for use as：10 20 weight portions, Petropols：10 17 weight portions, zinc oxide：15 weight portions, filler：0.1 5 weight portions, antioxidant：0.1 5 weight portions, rubber accelerator：01 weight portions, water absorbing agent：02 weight portions, naphthenic oil：45 weight portions.The polyurethane-modified high temperature resistant pressure sensitive adhesive has high elongation at tear and tensile shear strength, improves the performance of existing high temperature resistant pressure sensitive adhesive, expands the use scope of high temperature resistant pressure sensitive adhesive.
Description
Technical field
The present invention relates to a kind of chemical bonding agent class, especially a kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and its preparation side
Method.
Background technology
Adhesive was acted on cohesion etc. by sticking for interface, can connect two or more product or material
Natural or synthesis a, organic or inorganic class material together, is referred to as adhesive, is called binder, traditionally
Referred to as glue.In brief, adhesive is exactly that, by adhesive effect, can make to be sticked the material that thing is combined together." adhesive "
It is general standard terminology, also including some other glue, clay, rubber cement, glue cream etc..The material that bonds is difficult to for some,
Such as polyethylene, polypropylene, rubber, polyvinyl chloride, never the comprehensive adhesive of performance, or tensile strength is inadequate,
Shear strength is inadequate.Need to find a kind of rubber bound adhesive composition, its can balanced stretch intensity and shearing it is strong
Degree, and manufacture craft is simple, and cost is relatively low.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of poly- ammonia with high elongation at tear and tensile shear strength
Ester modified high temperature resistant pressure sensitive adhesive.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of polyurethane-modified high temperature resistant is pressure-sensitive
Glue, including following components：
The base polyurethane prepolymer for use as is end NCO based polyurethanes performed polymers；
Described filler is the one kind in organic or inorganic filler.
The natural rubber can be carbon modified natural rubber；
Preferably, the weight proportion of the component is：
As another aspect of the present invention, a kind of method for preparing above-mentioned polyurethane-modified high temperature resistant pressure sensitive adhesive, including with
Lower step：
1st, the preparation of NCO based polyurethanes performed polymers is held；
Take during polyol compound, plasticizer and diluent add vacuum reaction kettle, in 100 DEG C -130 DEG C of vacuum environment
Lower vacuum dehydration 1-5 hours, 0.01% is less than to mixture water content, and the temperature of charge of vacuum reaction kettle then is down into 40-
60 DEG C, the isocyanate compound of metering is added, stirring is warming up to 75-85 DEG C under vacuum environment, and reaction 3-7h's to system is different
Cyanic acid radical content reach theoretical value, obtain hold NCO based polyurethanes performed polymers, be cooled to afterwards 10-25 DEG C it is standby, it is described many
Chosen any one kind of them or several in the terminal hydroxy group compound that first alcoholic compound is PPG, PEPA, other main chains contain C-C
The mixture planted, the molecular weight of the PPG is between 2000-8000；The isocyanate compound is that toluene two is different
Cyanate, methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1, one or more in hexamethylene-diisocyanate
Mixture；
2nd, the stirring of each component, mixing；
The first step, to take a reactor and control temperature in reactor be 10-25 DEG C, first toward adding naphthenic oil in reactor,
Another side stirring after stirring is while toward being slowly added to natural rubber in reactor；
Second step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of be stirred continuously, treat that natural rubber dissolves
Afterwards again toward adding Petropols in reactor；
3rd step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of stir 1-3h, then toward in reactor plus
Enter zinc oxide and have cooled to 10-25 DEG C of end NCO based polyurethanes performed polymers；
4th step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of stir 0.5-2h after add filler, anti-
Oxygen agent, rubber accelerator and water absorbing agent, keep reactor closed and temperature is to be after 20min-1h is stirred in 10-25 DEG C of continuation in kettle
Stirring can be stopped, adhesive finally poured out from reactor and to be filtered can obtain the polyurethane-modified high temperature resistant pressure-sensitive
Glue.
The present invention obtain beneficial effect be：The polyurethane-modified high temperature resistant pressure sensitive adhesive that the present invention is provided has high fracture
Elongation and tensile shear strength, improve the performance of existing high temperature resistant pressure sensitive adhesive, expand high temperature resistant pressure sensitive adhesive
Use scope.
Specific embodiment
A kind of high viscosity, low production cost are provided it is an object of the invention to avoid the defect of prior art, meet ring
Guaranteed request, widely used adhesive composition.
The purpose of the present invention is achieved through the following technical solutions：
As one embodiment of the present invention, polyurethane-modified high temperature resistant pressure sensitive adhesive of the invention is prepared including two
Point：
End NCO based polyurethanes performed polymers needed for the first-selection preparation present invention, take polyol compound, plasticizer and diluent
Add in vacuum reaction kettle, in vacuum dehydration 1-5 hours under 100 DEG C -130 DEG C of vacuum environment, be less than to mixture water content
0.01%, the temperature of charge of vacuum reaction kettle is then down to 40-60 DEG C, add the isocyanate compound of metering, vacuum ring
Stirring is warming up to 75-85 DEG C under border, and the isocyano-content of reaction 3-7h to system reaches theoretical value, obtains holding the poly- ammonia of NCO bases
Ester performed polymer, be cooled to afterwards 10-25 DEG C it is standby.It is emphasized that above-mentioned polyol compound be PPG,
Chosen any one kind of them in the terminal hydroxy group compound that PEPA, other main chains contain C-C or several mixtures, if above-mentioned polyalcohol
Compound selects PPG, then the molecular weight of PPG should be between 2000-8000, above-mentioned isocyanates chemical combination
Thing is toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1, in hexamethylene-diisocyanate
The mixture of one or more.
Each component is stirred again afterwards, is mixed, specifically, temperature is 10-25 DEG C in controlling reactor, is added toward reactor is interior
Enter naphthenic oil 4-5 weight portions, then stir while being slowly added to the natural rubber of 10-20 weight portions, continuation keeps reaction
Temperature is 10-25 DEG C and ensures that reactor continues stirring in the case of closed in kettle, is added again after after the dissolving of above-mentioned natural rubber
Enter the Petropols of 10-17 weight portions, hereafter, then keep the closed stirring 1-3h of temperature as before, then toward reactor
The zinc oxide of middle addition 1-5 weight portions and the end NCO based polyurethanes performed polymers for having cooled to 10-25 DEG C of 10-20 weight portions,
Reactor is closed and kettle in temperature be to stir 0.5-2h under conditions of 10-25 DEG C, be eventually adding 0.1-5 weight portions filler,
The water absorbing agent of the antioxidant, the rubber accelerator of 0-1 weight portions and 0-2 weight portions of 0.1-5 weight portions, it is same to keep reactor close
Close and in kettle temperature be 10-25 DEG C continue stir 20min-1h after can stop stirring, finally by adhesive from reactor
Go out and filter to can obtain polyurethane-modified high temperature resistant pressure sensitive adhesive of the invention.
In order to allow those skilled in the art to more clearly understand present invention improvements compared with the prior art, with reference to
The present invention is further illustrated for embodiment, the content that embodiment is referred to not limitation of the invention.
Embodiment 1：
Take during polyol compound, plasticizer and diluent add vacuum reaction kettle, in 100 DEG C -130 DEG C of vacuum environment
Lower vacuum dehydration 1-5 hours, 0.01% is less than to mixture water content, and the temperature of charge of vacuum reaction kettle then is down into 40-
60 DEG C, the isocyanate compound of metering is added, stirring is warming up to 75-85 DEG C under vacuum environment, and reaction 3-7h's to system is different
Cyanic acid radical content reach theoretical value, obtain hold NCO based polyurethanes performed polymers, be cooled to afterwards 10-25 DEG C it is standby.Need strong
Adjust, above-mentioned polyol compound is the terminal hydroxy group compound that PPG, PEPA, other main chains contain C-C
In choose any one kind of them or several mixtures, if above-mentioned polyol compound selects PPG, the molecule of PPG
Amount should be between 2000-8000, and above-mentioned isocyanate compound is toluene di-isocyanate(TDI), diphenylmethane diisocyanate
Ester, isoflurane chalcone diisocyanate, 1, the mixture of one or more in hexamethylene-diisocyanate.
Each component is stirred again afterwards, is mixed, specifically, temperature is 10-25 DEG C in controlling reactor, is added toward reactor is interior
Enter the weight portion of naphthenic oil 40, then stir while being slowly added to the natural rubber of 10 weight portions, continuation is kept in reactor
Temperature is for 10-25 DEG C and ensures that reactor continues stirring in the case of closed, and 10 are added after above-mentioned natural rubber dissolves
The Petropols of weight portion, hereafter, then keep the closed stirring 1-3h of temperature as before, then toward adding 1 in reactor
The end NCO based polyurethanes performed polymers for having cooled to 10-25 DEG C of the zinc oxide of weight portion and 20 weight portions, reactor it is closed and
Temperature is eventually adding filler, the antioxidant of 5 weight portions, 1 weight of 5 weight portions to stir 0.5-2h under conditions of 10-25 DEG C in kettle
Measure the rubber accelerator of part and the water absorbing agent of 2 weight portions, it is same keep reactor closed and in kettle temperature for 10-25 DEG C is continued to stir
Stop stirring by mixing after 20min-1h, finally adhesive is poured out and filtered from reactor and can obtain poly- ammonia of the invention
Ester modified high temperature resistant pressure sensitive adhesive.It is emphasized that above-mentioned filler is one or more of the filler of monoamine and many amine structures
Mixture；Above-mentioned antioxidant is the mixture of amine/phenolic antioxidant or amine antioxidants and phenolic antioxidant composition.
Embodiment 2：
Embodiment 2 is identical with the preparation method of embodiment 1, is easy statement, and identical content will not be repeated here,
The proportioning of each component of the polyurethane-modified high temperature resistant pressure sensitive adhesive of embodiment 2 is as follows：Natural rubber：20 weight portions；Polyurethane is pre-
Aggressiveness：10 weight portions；Petropols：17 weight portions；Zinc oxide：5 weight portions；Filler：0.1 weight portion；Antioxidant：0.1 weight
Part；Rubber accelerator：0 weight portion；Water absorbing agent：0 weight portion；Naphthenic oil：5 weight portions.
Embodiment 3：
Embodiment 3 is identical with the preparation method of embodiment 1 and 2, is easy statement, and identical content is no longer gone to live in the household of one's in-laws on getting married herein
State, the proportioning of each component of the polyurethane-modified high temperature resistant pressure sensitive adhesive of embodiment 3 is as follows：Natural rubber：15 weight portions；Polyurethane
Performed polymer：13 weight portions；Petropols：15 weight portions；Zinc oxide：3 weight portions；Filler：3 weight portions；Antioxidant：2.5 weight
Part；Rubber accelerator：0.5 weight portion；Water absorbing agent：1 weight portion；Naphthenic oil：4 weight portions.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
Embodiment illustrated herein is not intended to be limited to, and is to fit to consistent with principles disclosed herein and features of novelty
Scope most wide.
Claims (4)
1. a kind of polyurethane-modified high temperature resistant pressure sensitive adhesive, including following components and the ratio of each component is：
The natural rubber is that one kind or the linear natural rubber with hub-and-spoke configuration in linear/hub-and-spoke configuration natural rubber are constituted
Mixture；
The base polyurethane prepolymer for use as is end NCO based polyurethanes performed polymers；
Described filler is the one kind in organic and inorganic filler.
2. polyurethane-modified high temperature resistant pressure sensitive adhesive according to claim 1, it is characterised in that：The weight proportion of each component
For：
3. polyurethane-modified high temperature resistant pressure sensitive adhesive according to claim 2, it is characterised in that：The natural rubber changes for carbon
Property natural rubber.
4. a kind of method for preparing the polyurethane-modified high temperature resistant pressure sensitive adhesive in claim 1-3 described in any one, including with
Lower step：
1st, the preparation of NCO based polyurethanes performed polymers is held；
Take during polyol compound, plasticizer and diluent add vacuum reaction kettle, in true under 100 DEG C -130 DEG C of vacuum environment
Sky dehydration 1-5 hours, 0.01% is less than to mixture water content, and the temperature of charge of vacuum reaction kettle then is down into 40-60 DEG C,
The isocyanate compound of metering is added, stirring is warming up to 75-85 DEG C, the isocyano of reaction 3-7h to system under vacuum environment
Content reaches theoretical value, obtains holding NCO based polyurethanes performed polymers, and 10-25 DEG C of standby, the polynary alcoholization is cooled to afterwards
Compound is to choose any one kind of them in the terminal hydroxy group compound that PPG, PEPA, other main chains contain C-C or several mixed
Compound, the molecular weight of the PPG is between 2000-8000；The isocyanate compound is toluene diisocynate
Ester, methyl diphenylene diisocyanate, isoflurane chalcone diisocyanate, 1, one or more mixed in hexamethylene-diisocyanate
Compound；
2nd, the stirring of each component, mixing；
The first step, to take a reactor and control temperature in reactor be 10-25 DEG C, first toward adding naphthenic oil, stirring in reactor
Another side stirring after uniform is while toward being slowly added to natural rubber in reactor；
Second step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of be stirred continuously, after after natural rubber dissolving again
Petropols are added toward reactor；
3rd step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of stir 1-3h, then toward adding oxygen in reactor
Change zinc and have cooled to 10-25 DEG C of end NCO based polyurethanes performed polymers；
4th step, reactor is closed and kettle in temperature be 10-25 DEG C under conditions of stir 0.5-2h after add filler, antioxygen
Agent, rubber accelerator and water absorbing agent, keep reactor closed and temperature is after 20min-1h is stirred in 10-25 DEG C of continuation in kettle
Stop stirring, finally adhesive is poured out and filtered from reactor and can obtain the polyurethane-modified high temperature resistant pressure sensitive adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096421.4A CN106753045A (en) | 2016-12-02 | 2016-12-02 | A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096421.4A CN106753045A (en) | 2016-12-02 | 2016-12-02 | A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106753045A true CN106753045A (en) | 2017-05-31 |
Family
ID=58883760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611096421.4A Pending CN106753045A (en) | 2016-12-02 | 2016-12-02 | A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106753045A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564339A (en) * | 2019-08-15 | 2019-12-13 | 昆山博益鑫成高分子材料有限公司 | High-reactivity polyurethane pressure-sensitive adhesive and preparation method thereof |
| CN113136162A (en) * | 2021-04-23 | 2021-07-20 | 杭州之江新材料有限公司 | High-temperature-resistant high-humidity-resistant double-component polyurethane flame-retardant pouring sealant and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091765A (en) * | 1994-01-18 | 1994-09-07 | 吉林省华详实业公司 | Polyurethane binder/sealant and making method |
| CN103725206A (en) * | 2014-01-06 | 2014-04-16 | 江苏东禾电声配件有限公司 | Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof |
| CN105153986A (en) * | 2015-10-20 | 2015-12-16 | 湖南金化科技集团有限公司 | Polyurethane modified SBS (styrene-butadiene-styrene) adhesive and preparation method thereof |
-
2016
- 2016-12-02 CN CN201611096421.4A patent/CN106753045A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1091765A (en) * | 1994-01-18 | 1994-09-07 | 吉林省华详实业公司 | Polyurethane binder/sealant and making method |
| CN103725206A (en) * | 2014-01-06 | 2014-04-16 | 江苏东禾电声配件有限公司 | Two-component high-temperature-resisting adhesive for assembling loudspeaker and preparation method thereof |
| CN105153986A (en) * | 2015-10-20 | 2015-12-16 | 湖南金化科技集团有限公司 | Polyurethane modified SBS (styrene-butadiene-styrene) adhesive and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李红强: "《胶粘原理、技术及应用》", 31 January 2014, 华南理工大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564339A (en) * | 2019-08-15 | 2019-12-13 | 昆山博益鑫成高分子材料有限公司 | High-reactivity polyurethane pressure-sensitive adhesive and preparation method thereof |
| CN113136162A (en) * | 2021-04-23 | 2021-07-20 | 杭州之江新材料有限公司 | High-temperature-resistant high-humidity-resistant double-component polyurethane flame-retardant pouring sealant and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101544880B (en) | Adhesive for soft package composite and preparation method thereof | |
| EP1363960B1 (en) | Isocyanate-free expandable mixtures exhibiting a fast hardening rate | |
| CN105153986B (en) | A kind of polyurethane-modified SBS adhesive and preparation method thereof | |
| US11485857B2 (en) | Amino silicone oil-modified elastomer material and preparation method thereof | |
| CN102432993B (en) | Preparation method for ester and alcohol soluble type polyurethane resin used for plastic composite ink | |
| CN102702471A (en) | Method for preparing solvent-free aqueous polyurethane dispersion | |
| CN104974703B (en) | A kind of double-component super branched polyurethane adhesive and preparation method thereof | |
| CN103087366A (en) | High-compatibility water swelling rubber and preparation method thereof | |
| EP3519477A1 (en) | Hydroxyl-functionalized polybutadiene-poylurethane hot melt prepolymer | |
| CN113801288B (en) | High-performance polyurethane damping material based on dynamic disulfide bond and hydrogen bond action and preparation method thereof | |
| CN101475772A (en) | High performance polyurethane waterproof coating material and preparation thereof | |
| CN109207111A (en) | A kind of one-component polyurethane sealant and preparation method thereof | |
| CN106753045A (en) | A kind of polyurethane-modified high temperature resistant pressure sensitive adhesive and preparation method thereof | |
| CN113528001A (en) | Asphalt polyurethane waterproof paint and preparation method thereof | |
| CN110818879A (en) | Polyurethane resin for folding white-mark-free fabric coating and preparation method thereof | |
| AU2012327770A1 (en) | Preparation method of rigid polyurethane | |
| CN111100593B (en) | Epoxy resin modified high-temperature-resistant polyurethane pouring sealant | |
| CN102250307A (en) | Biobased micro-porous polyurethane material and preparation method thereof | |
| US11708514B2 (en) | Solvent free liquid moisture curable polyurethane compositions with long open times and fast cure rates | |
| CN107502267A (en) | It is plastic-aluminum combined to use moisture-curable polyurethane hot melt adhesive | |
| CN107057022A (en) | A kind of novel flexible gravity flowing levelling mortar terrace and preparation method thereof | |
| CN114410210B (en) | Bi-component anti-sagging polyurethane waterproof coating and preparation method thereof | |
| CN115572571B (en) | Single-component polyurethane adhesive for rubber particles and preparation method thereof | |
| CN108285521A (en) | A kind of polyurethane sealing material and its preparation method and application | |
| CN115260978B (en) | Solvent-free polyurethane adhesive and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
|
| RJ01 | Rejection of invention patent application after publication |