CN108341916A - A kind of environment-friendly water-based tackifier and preparation method thereof - Google Patents
A kind of environment-friendly water-based tackifier and preparation method thereof Download PDFInfo
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- CN108341916A CN108341916A CN201810274528.6A CN201810274528A CN108341916A CN 108341916 A CN108341916 A CN 108341916A CN 201810274528 A CN201810274528 A CN 201810274528A CN 108341916 A CN108341916 A CN 108341916A
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- 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
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/671—Unsaturated compounds having only one group containing active hydrogen
- C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
- C08F283/008—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- 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
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/348—Hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- 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
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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)
- Adhesives Or Adhesive Processes (AREA)
- Graft Or Block Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of preparation methods of environment-friendly water-based tackifier, include the following steps：Step 1：Isophorone diisocyanate, polypropylene glycol are added in reactor, base polyurethane prepolymer for use as is obtained；Step 2：Dihydromethyl propionic acid, trimethylolpropane, Isosorbide-5-Nitrae butanediol are added dropwise into base polyurethane prepolymer for use as, a period of time is reacted under the conditions of existing for catalyst dibutyltin dilaurylate；Step 3：Hydroxy propyl methacrylate, reaction a period of time is added；Step 4：Neutralizer regulation system pH value is added, obtains the PU water-borne dispersions for containing unsaturated double-bond in end；Step 5：Emulsifier is added and deionized water emulsifies system, the acrylic monomers dissolved with terpene resin and rosin ester or disproportionated rosin is then added dropwise.The purpose of the present invention is to provide a kind of environment-friendly water-based tackifier and preparation method thereof.
Description
Technical field
The present invention relates to paper making additive fields, specifically, being related to a kind of environment-friendly water-based tackifier and preparation method thereof.
Background technology
Major function of the tackifier in adhesive be：1. increasing the just viscous time；2. improving wetability；It is plasticized 3. giving
Property, extend adhesive cracking time；4. 5. increasing filler and mixed with polymers ability reduces cost.Because tackifying resin is mostly solid
Or crystal mostly uses organic solvent (such as toluene) and first dissolves tackifying resin it is difficult to compatible with polymer emulsion, then again with height
It is mixed that copolymer emulsion carries out cold mixed or heat, and emulsion adhesive is made in this approach, not only store it is unstable, but also containing to human body
Harmful volatile organic solvent.
Currently, environment-friendly type tackifier are mostly acrylate modified tackifier, terpene resin and rosin ester or disproportionation are utilized
The characteristics of unsaturated double-bond in rosin, is added to and is allowed to participate in copolymerization in emulsifier aqueous solution in acrylic monomers anti-
It answers.Since emulsifier being added in tackifying resin, thus aqueous tackifier naval stores storage stability deficiency is resulted in, and adding should
The adhesive water-resistant capacity of class aqueous tackifier declines.
Invention content
The object of the present invention is to provide a kind of environment-friendly water-based tackifier and preparation method thereof；It is used self-emulsification aqueous poly-
Unsaturated double-bond is introduced in urethane, then adds propylene monomer and terpene resin and rosin ester or disproportionated rosin, passes through free radical
Polymerization obtains the self-emulsification aqueous tackifier of environment-friendly type.
The technical scheme is that：A kind of preparation method of environment-friendly water-based tackifier, includes the following steps：
Step 1：Isophorone diisocyanate, polypropylene glycol are added in reactor, in 78-82 DEG C, catalyst two
A period of time is reacted under the conditions of dibutyl tin laurate is existing, obtains base polyurethane prepolymer for use as；
Step 2：Dihydromethyl propionic acid, trimethylolpropane, 1,4-butanediol are added dropwise into base polyurethane prepolymer for use as, is being catalyzed
A period of time is reacted under the conditions of agent dibutyl tin laurate is existing；
Step 3：System temperature is reduced to 63-67 DEG C, hydroxy propyl methacrylate, reaction a period of time is added；
Step 4：Neutralizer regulation system pH value is added, obtains the PU water-borne dispersions for containing unsaturated double-bond in end；
Step 5：Emulsifier is added and deionized water emulsifies system, is then added dropwise dissolved with terpene resin and rosin ester
Or the acrylic monomers of disproportionated rosin, after being swollen a period of time, it is warming up to 80-85 DEG C, PH buffers are added and are added and draw
Send out agent heat preservation a period of time removal residual monomer.
In the preparation method of above-mentioned environment-friendly water-based tackifier, parts by weight of raw materials group is divided into：
In the preparation method of above-mentioned environment-friendly water-based tackifier, the emulsifier in the step 5 is SDS；The use of SDS
Amount is 15-20 parts by weight.
In the preparation method of above-mentioned environment-friendly water-based tackifier, the reaction time of the step 1 is 2h, the step
Rapid 2 reaction time is 3h, and the reaction time of the step 3 is 2h, and the swelling time of the step 5 is 2h.
Further include the allyl of 1-2 parts by weight in the step 2 in the preparation method of above-mentioned environment-friendly water-based tackifier
Base succinic acid alkyl ester sulfonate sodium.
Meanwhile the invention also discloses a kind of environment-friendly water-based tackifier being prepared using the above method.
Beneficial effects of the present invention are as follows：
The present invention first with isophorone diisocyanate (IPDI), polypropylene glycol (PPG) trimethylolpropane (TMP),
Hydroxy propyl methacrylate (HPMA) and dihydromethyl propionic acid (DMPA) are Material synthesis aqueous polyurethane containing unsaturated double-bond
(PU) aqueous dispersion；Using PU as seed emulsion, butyl acrylate (BA), methyl methacrylate (MMA) and terpene resin is added
With rosin ester or disproportionated rosin, self-emulsifying aqueous Tackified emulsion is obtained by free radical polymerization.
Further, sodium allyl sulfosuccinic alkyl ester is added in the monomer that the present invention is added dropwise in step 2, this
It is a kind of emulsifier of response type, and hydroxy propyl methacrylate, terpene resin and the rosin ester or disproportionation being subsequently added
Rosin monomer will produce the cross-linking reaction of polymerization and appropriateness, improves the stability of system, is allowed to protect under severe use environment
Hold preferable stability.
Specific implementation mode
With reference to embodiment, technical scheme of the present invention is described in further detail, but do not constituted pair
Any restrictions of the present invention.
Specific embodiment 1：
In the 500mL four-hole boiling flasks equipped with blender, reflux condensing tube, thermometer, 200gIPDI and 800g is added
After system is warming up to 80 DEG C, 3-4 drop catalyst DBTDL are added dropwise in PPG, react 2h under N2 protections, obtain-the NCO containing active group
Base polyurethane prepolymer for use as.50 DEG C are cooled to, 9g BDO, 11g DMPA and 2g TMP is added dropwise, is warming up to 80 DEG C, 3-4 drops are added dropwise and urge
Agent DBTDL reacts 3h, waits for that-NCO reaches predetermined value.65 DEG C are cooled to, 26g hydroxy propyl methacrylate HPMA, heat preservation is added
After 2h；It is cooled to 30 DEG C again, is added in a certain amount of triethylamine TEA and 15min.Deionized water is added, system is through high speed emulsification point
It dissipates, obtains the PU water-borne dispersions for containing unsaturated double-bond in end.
A small amount of emulsifier SDS and deionized water pre-emulsification 30min is added in above-mentioned seed emulsion PU, is slowly added dropwise molten
There is an acrylic monomers of 1200g terpene resins and rosin ester, the weight of acrylic monomers is 900g, terpene resin and rosin ester
Weight ratio is 1:1；After being swollen 2h, 82 DEG C are warming up to, pH buffer NaHCO3 is added, initiator ammonium persulfate APS is added dropwise and finishes
Afterwards, insulation reaction 4h obtains aqueous tackifier resin emulsion.
Specific embodiment 2：
In the 500mL four-hole boiling flasks equipped with blender, reflux condensing tube, thermometer, 210gIPDI and 900g is added
After system is warming up to 80 DEG C, 3-4 drop catalyst DBTDL are added dropwise in PPG, react 2h under N2 protections, obtain-the NCO containing active group
Base polyurethane prepolymer for use as.50 DEG C are cooled to, 8g BDO, 12g DMPA and 2.5g TMP is added dropwise, is warming up to 80 DEG C, 3-4 drops are added dropwise
Catalyst DBTDL reacts 3h, waits for that-NCO reaches predetermined value.65 DEG C are cooled to, 27g hydroxy propyl methacrylate HPMA are added, is protected
After warm 2h；It is cooled to 30 DEG C again, is added in a certain amount of triethylamine TEA and 15min.Deionized water is added, system is emulsified through high speed
Dispersion, obtains the PU water-borne dispersions for containing unsaturated double-bond in end.
Added in above-mentioned seed emulsion PU a small amount of emulsifier SDS and and deionized water pre-emulsification 30min, be slowly added dropwise molten
There is the acrylic monomers of 1300g terpene resins and disproportionated rosin, the weight of acrylic monomers is 800g, terpene resin and disproportionation pine
Fragrant weight ratio is 1:3；After being swollen 2h, 82 DEG C are warming up to, pH buffer NaHCO3 is added, initiator ammonium persulfate APS is added dropwise
After, insulation reaction 4h obtains aqueous tackifier resin emulsion.
Specific embodiment 3：
In the 500mL four-hole boiling flasks equipped with blender, reflux condensing tube, thermometer, 230gIPDI and 1000g is added
After system is warming up to 80 DEG C, 3-4 drop catalyst DBTDL are added dropwise in PPG, react 2h under N2 protections, obtain-the NCO containing active group
Base polyurethane prepolymer for use as.50 DEG C are cooled to, 7g BDO, 13g DMPA, 3g TMP is added dropwise, is warming up to 80 DEG C, the catalysis of 3-4 drops is added dropwise
Agent DBTDL reacts 3h, waits for that-NCO reaches predetermined value.65 DEG C are cooled to, 29g hydroxy propyl methacrylate HPMA are added, keeps the temperature 2h
Afterwards；It is cooled to 30 DEG C again, is added in a certain amount of triethylamine TEA and 15min.Deionized water is added, system through high speed emulsion dispersion,
Obtain the PU water-borne dispersions for containing unsaturated double-bond in end.
Added in above-mentioned seed emulsion PU a small amount of emulsifier SDS and and deionized water pre-emulsification 30min, be slowly added dropwise molten
It is 850g, the weight of terpene resin and rosin ester to have the acrylic monomers of 1400g terpene resins and rosin ester, acrylic monomers weight
Amount is than being 3：1；After being swollen 2h, 82 DEG C are warming up to, pH buffer NaHCO3 is added, after initiator ammonium persulfate APS is added dropwise,
Insulation reaction 4h obtains aqueous tackifier resin emulsion.
Specific embodiment 4：
In the 500mL four-hole boiling flasks equipped with blender, reflux condensing tube, thermometer, 220gIPDI and 900g is added
After system is warming up to 80 DEG C, 3-4 drop catalyst DBTDL are added dropwise in PPG, react 2h under N2 protections, obtain-the NCO containing active group
Base polyurethane prepolymer for use as.50 DEG C are cooled to, 8g BDO, 12g DMPA, 2.5g TMP and 1.5g allyl succinic dialkylaminobenzoic acids is added dropwise
Ester sodium sulfonate is warming up to 80 DEG C, and 3-4 drop catalyst DBTDL are added dropwise, and reacts 3h, waits for that-NCO reaches predetermined value.65 DEG C are cooled to,
28g hydroxy propyl methacrylate HPMA are added, after keeping the temperature 2h；It is cooled to 30 DEG C again, a certain amount of triethylamine TEA is added and neutralizes
15min.Deionized water is added, system obtains the PU water-borne dispersions for containing unsaturated double-bond in end through high speed emulsion dispersion.
A small amount of emulsifier SDS and deionized water pre-emulsification 30min are added in above-mentioned seed emulsion PU, be slowly added dropwise dissolved with
The weight of the acrylic monomers of 1300g terpene resins and rosin ester, acrylic monomers is 900g；The weight of terpene resin and rosin ester
Amount is than being 1：2；After being swollen 2h, 82 DEG C are warming up to, pH buffer NaHCO3 is added, after initiator ammonium persulfate APS is added dropwise,
Insulation reaction 4h obtains aqueous tackifier resin emulsion.
Comparative example 1
In the 500mL four-hole boiling flasks equipped with blender, reflux condensing tube, thermometer, 220gIPDI and 900g is added
After system is warming up to 80 DEG C, 3-4 drop catalyst DBTDL are added dropwise in PPG, react 2h under N2 protections, obtain-the NCO containing active group
Base polyurethane prepolymer for use as.50 DEG C are cooled to, 8g BDO, 12g DMPA, 2.5g TMP is added dropwise, is warming up to 80 DEG C, 3-4 drops are added dropwise and urge
Agent DBTDL reacts 3h, waits for that-NCO reaches predetermined value.It is cooled to 30 DEG C again, is added in a certain amount of triethylamine TEA and 15min.
System obtains PU water-borne dispersions through high speed emulsion dispersion.
A small amount of emulsifier SDS and deionized water pre-emulsification 30min are added in above-mentioned seed emulsion PU, be slowly added dropwise dissolved with
The acrylic monomers of 1200g terpene resins and rosin ester, acrylic monomers 800g；The weight ratio of terpene resin and rosin ester is 1：
1；After being swollen 2h, 82 DEG C are warming up to, pH buffer NaHCO3 is added, after initiator ammonium persulfate APS is added dropwise, insulation reaction
4h obtains aqueous tackifier resin emulsion.
The advantages of embodiment 1-4, is as follows：
Without organic solvent, can be used in the higher adhesive product of the environmental requirements such as food packaging；Using self-emulsifying work
Skill, product storage stability are splendid；Polyurethane and esters of acrylic acid high polymer are introduced, the tack and bonding of adhesive can be improved
Intensity.
In order to further confirm advantages of the present invention, tested in conjunction with following test event
Test event：
(1) emulsion viscosity is tested；
(2) pH value
(3) tack is tested：GB/T 4852-1984
(4) 180 ° of peel strength tests：GB/T 2792-1998
(5) storage-stable is tested：Room temperature is static, checks whether lotion lamination occurs.
Table 1 is the test result of embodiment 1-4 and comparative example 1
It is above-described be only presently preferred embodiments of the present invention, it is all within the scope of the spirit and principles in the present invention made by appoint
What modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of preparation method of environment-friendly water-based tackifier, which is characterized in that include the following steps：
Step 1：Isophorone diisocyanate, polypropylene glycol are added in reactor, in 78-82 DEG C, catalyst dibutyltin osmanthus
A period of time is reacted under the conditions of sour dibutyl tin is existing, obtains base polyurethane prepolymer for use as；
Step 2：Dihydromethyl propionic acid, trimethylolpropane, 1,4-butanediol are added dropwise into base polyurethane prepolymer for use as, in catalyst two
A period of time is reacted under the conditions of dibutyl tin laurate is existing；
Step 3：System temperature is reduced to 63-67 DEG C, hydroxy propyl methacrylate, reaction a period of time is added；
Step 4：Neutralizer regulation system pH value is added, obtains the PU water-borne dispersions for containing unsaturated double-bond in end；
Step 5：Emulsifier and deionized water is added to emulsify system, be then added dropwise dissolved with terpene resin and rosin ester or
The acrylic monomers of disproportionated rosin after being swollen a period of time, is warming up to 80-85 DEG C, and pH buffer is added and initiator is added
Heat preservation a period of time removal residual monomer.
2. the preparation method of environment-friendly water-based tackifier according to claim 1, which is characterized in that parts by weight of raw materials component
For：
3. the preparation method of environment-friendly water-based tackifier according to claim 1, which is characterized in that in the step 5
Emulsifier is SDS；The dosage of SDS is 15-20 parts by weight.
4. the preparation method of environment-friendly water-based tackifier according to claim 1, which is characterized in that the step 1 it is anti-
It is 2h between seasonable, the reaction time of the step 2 is 3h, and the reaction time of the step 3 is 2h, the step 5
Swelling time is 2h.
5. the preparation method of environment-friendly water-based tackifier according to claim 1, which is characterized in that in the step 2 also
Include the sodium allyl sulfosuccinic alkyl ester of 1-2 parts by weight.
6. a kind of environment-friendly water-based tackifier, it is characterised in that：It is prepared using method according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810274528.6A CN108341916B (en) | 2018-03-29 | 2018-03-29 | Environment-friendly water-based tackifier and preparation method thereof |
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| CN201810274528.6A CN108341916B (en) | 2018-03-29 | 2018-03-29 | Environment-friendly water-based tackifier and preparation method thereof |
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| CN108341916B CN108341916B (en) | 2020-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484815A (en) * | 2019-01-25 | 2020-08-04 | 肇庆市联力化工有限公司 | Tackifier for improving adhesive property between rubber and cord |
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| CN101641418A (en) * | 2007-03-21 | 2010-02-03 | 艾利丹尼森公司 | Pressure sensitive adhesive |
| CN102816536A (en) * | 2011-06-08 | 2012-12-12 | 苏州达同新材料有限公司 | Adhesive tape used for solar cell assembly and preparation method thereof |
| CN102993685A (en) * | 2012-11-23 | 2013-03-27 | 青岛文创科技有限公司 | Rosin-based waterborne polyurethane acrylate composite emulsion |
| CN103031093A (en) * | 2012-12-12 | 2013-04-10 | 常州大学 | Method for preparing water-based urethane acrylate pressure-sensitive adhesive |
| CN105085854A (en) * | 2014-05-09 | 2015-11-25 | 武汉强力荷新材料有限公司 | Preparation method of solvent-free environment-friendly aqueous polyurethane emulsion with multi-model particle size distribution, high solid content, and low viscosity |
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2018
- 2018-03-29 CN CN201810274528.6A patent/CN108341916B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101641418A (en) * | 2007-03-21 | 2010-02-03 | 艾利丹尼森公司 | Pressure sensitive adhesive |
| CN102816536A (en) * | 2011-06-08 | 2012-12-12 | 苏州达同新材料有限公司 | Adhesive tape used for solar cell assembly and preparation method thereof |
| CN102993685A (en) * | 2012-11-23 | 2013-03-27 | 青岛文创科技有限公司 | Rosin-based waterborne polyurethane acrylate composite emulsion |
| CN103031093A (en) * | 2012-12-12 | 2013-04-10 | 常州大学 | Method for preparing water-based urethane acrylate pressure-sensitive adhesive |
| CN105085854A (en) * | 2014-05-09 | 2015-11-25 | 武汉强力荷新材料有限公司 | Preparation method of solvent-free environment-friendly aqueous polyurethane emulsion with multi-model particle size distribution, high solid content, and low viscosity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484815A (en) * | 2019-01-25 | 2020-08-04 | 肇庆市联力化工有限公司 | Tackifier for improving adhesive property between rubber and cord |
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| CN108341916B (en) | 2020-11-20 |
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