CN107163895A - Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof - Google Patents
Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof Download PDFInfo
- Publication number
- CN107163895A CN107163895A CN201710430377.4A CN201710430377A CN107163895A CN 107163895 A CN107163895 A CN 107163895A CN 201710430377 A CN201710430377 A CN 201710430377A CN 107163895 A CN107163895 A CN 107163895A
- Authority
- CN
- China
- Prior art keywords
- paper
- parts
- plastic stick
- polyurethane adhesive
- component polyurethane
- 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
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—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
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/4202—Two or more polyesters of different physical or chemical nature
-
- 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
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- 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
- C08G18/4244—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups
- C08G18/4247—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids
- C08G18/425—Polycondensates having carboxylic or carbonic ester groups in the main chain containing oxygen in the form of ether groups derived from polyols containing at least one ether group and polycarboxylic acids the polyols containing one or two ether groups
-
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- 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
- 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
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6611—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6644—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three 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
- 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
- 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
Abstract
The invention belongs to polyurethanes technology field, specifically related to paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof, the PUR is prepared from by crystalline polyester polyalcohol, amorphous polyester polyalcohol, PPG and chain extender and isocyanates reaction, the moisture-curable monocomponent polyurethane PUR has higher initial bond strength, preferable finished product coefficient of friction, excellent temperature tolerance, it is adapted to production line balance, and with the excellent feature of environmental protection, it is adaptable to all kinds of paper and plastic sheeting it is compound.
Description
Technical field
The invention belongs to polyurethanes technology field, and in particular to paper-plastic stick with monocomponent polyurethane thermosol and its
Preparation method.
Background technology
Paper-plastic stick is that paper substrate printed matter surface is combined into last layer plastic sheeting, is the conventional composite of press,
It combines the advantage of paper and plastics, and waterproof, durable, dicoration are extremely strong, word and pattern has been obtained effective protection.With
The development of market economy, the raising of the level of consumption, overlay film is quite extensive.Existing more than the 30 years history of foreign countries, the country also has 20 years
History.Compound adhesive is to influence the key factor of compound film quality.
The paper-plastic stick glue that the current country is used is generally the types such as solvent-borne type, aqua type and heat molten type, the above-mentioned type
More or less there is certain defect in adhesive, such as solvent type adhesive is big for environment pollution, low production efficiency, aqua type gluing
Agent environmental protection, but temperature tolerance is poor, cost is high, and Hot-melt adhesive needs precoating, low production efficiency, complex process.One-component
Reaction type polyurethane hot-melt adhesive has early strength good, the excellent performance such as temperature tolerance, waterproof, can preferably be applied to paper
Compound industry, therefore exploitation one-component reaction type polyurethane hot-melt adhesive is to promoting China's packaging industry to low stain low energy consumption direction
Transformation has more important meaning.
The content of the invention
The purpose of the present invention is that there is provided a kind of heatproof one-component reaction type polyurethane for the defect of existing common adhesive
Hot melt adhesive and preparation method thereof.
The present invention solves the problems, such as that the technical scheme of drawbacks described above is as follows:
As the paper-plastic stick of first aspect present invention monocomponent polyurethane thermosol, by the raw material system of following parts by weight
It is standby to form:
0-30 parts of PPG;
20-80 parts of PEPA;
0-5 parts of chain extender;
20-50 parts of isocyanates;
0.01-1 parts of catalyst.
The average weight-average molecular weight of described PPG is in 400-2000.PPG is PPOX two
One kind or any two or more mixing in alcohol, PTMG and PolyTHF-propylene oxide copolymer glycols
Thing.
Described PEPA is crystalline polyester polyalcohol and/or amorphous polyester polyalcohol.Specifically, described
PEPA includes crystalline polyester polyalcohol, 10-60 parts of the amorphous polyester polyalcohol, total amount of 0-20 parts of parts by weight
For 20-80 parts
Wherein, described crystalline polyester polyalcohol is adipic acid, suberic acid, decanedioic acid, one kind of dodecanedioic acid or any
One kind in two or more and ethylene glycol, butanediol, ethohexadiol, hexylene glycol, diethylene glycol (DEG) or any two or more polycondensations
Crystalline polyester polyalcohol.Experiment shows that crystalline polyester polyalcohol can improve the initial bond of monocomponent polyurethane PUR
Intensity and final adhesive strength.Crystalline polyester polyalcohol average weight-average molecular weight is 1000-5000.
Further, described crystalline polyester polyalcohol is the PEPA based on adipic acid-BDO, with
And the PEPA based on the butanediol of decanedioic acid -1,4.
Specifically, crystalline polyester polyalcohol creates 7300 series of products, China peaking PE-56 and rising sun river chemistry to win
The mixture of a kind of or any two or more products in XCP-1024.
Described amorphous polyester polyalcohol is adipic acid, decanedioic acid, terephthalic acid (TPA), M-phthalic acid or O-phthalic
One kind or any two in one kind or any two or more and ethylene glycol in acid, butanediol, diethylene glycol (DEG), hexylene glycol or neopentyl alcohol
Plant the polymer of above polycondensation.The average weight-average molecular weight of described amorphous polyester polyalcohol is 400-6000.
It is preferred that, the amorphous polyester polyalcohol creates 7200 series of products, rising sun river chemistry XCP-244C and China to win
The mixture of one kind or any two or more products in peaking PE-2640.
Described chain extender is ethylene glycol, propane diols, diethylene glycol (DEG), trimethylolpropane, one in hexylene glycol or triethylene glycol
Plant or any two or more mixture.
Isocyanates is toluene di-isocyanate(TDI)(TDI), methyl diphenylene diisocyanate(MDI), hydrogenated diphenyl first
Alkane diisocyanate(HMDI), IPDI(IPDI), hexamethylene diisocyanate(HDI), the Asia of carbonization two
One kind or any two or more mixture in the methyl diphenylene diisocyanate that amine is modified.
Described catalyst is dibutyl tin laurate, stannous octoate, triethylene diamine, triethanolamine and dimorpholine two
One kind or any two or more mixture in ethylether.
It is with the preparation method of one-component reaction type polyurethane hot-melt adhesive as the second aspect of the present invention paper-plastic stick:Will
PEPA, PPG, chain extender is added in reactor, melting stirring mixing, vacuumizes dehydration;Then isocyanide is added
Acid esters, heating vacuumizes reaction;Catalyst progress vacuumizing and defoaming reaction is eventually adding to be made.
Specifically, other raw materials by isocyanates is poly-, beyond catalyst are added in reactor, melting stirring mixing is taken out
Vacuum dehydration;The dehydration conditions that vacuumize is 110 DEG C -120 DEG C, and the time is 0.5h-3h, vacuum be -0.08MPa- -
0.1MPa。
Material first cools to 65 DEG C, isocyanates is then added while stirring, is to slowly warm up to 80 DEG C -85 DEG C and is entered
Row vacuumizes reaction;The described heating response condition that vacuumizes is:Temperature be 80 DEG C -85 DEG C, vacuum be -0.08MPa- -
0.1MPa, the time is 0.5h-3h;
Catalyst progress vacuumizing and defoaming reaction is eventually adding to be made;The vacuum defoamation reaction is under the conditions of 80 DEG C -85 DEG C
It is evacuated to bubble-free appearance, sampling and testing NCO% contents and viscosity;When NCO% contents reach 2%-6%, 80 DEG C -110 DEG C viscous
Degree is after 3000mPas-800 mPas, and discharging packs, produces product.
Polyurethane hot melt prepared by the present invention is one-component moisture-curable polyurethane adhesive, belongs to solvent-free environmental protection
Type adhesive, applied to the compound of all kinds of paper and all types of plastic film, with good early strength, during appropriate curing
Between, good temperature tolerance is water-fastness, solvent resistant and bin stability.
Embodiment
The present invention is further described with reference to embodiment, but is not limited to the present invention.
Embodiment 1
The preparation method of the paper-plastic stick polyurethane thermosol of the embodiment, its step is as follows:
(1)Take 10 parts by weight PPGs, 15 parts by weight Crystalline type PEPAs, 35 parts by weight
Amorphous polyester polyalcohol, 3 parts by weight chain extenders are added in reactor, the vacuum dehydration under the conditions of 110 DEG C -120 DEG C
1.5h-2h;
(2)65 DEG C are cooled to, 37 parts by weight isocyanates are added while stirring;
(3)It is to slowly warm up to 80 DEG C -85 DEG C, vacuum defoamation reaction 60min;
(4)Add the catalyst of 0.001 parts by weight, be then evacuated to bubble-free appearance, tested viscosity and
NCO%;
(5)After viscosity and NCO% are qualified, discharge, sealing, packaging can obtain product.
PPG in the embodiment is polyoxypropyleneglycol and PTMG, and it averagely divides equally again
Son amount is 400-2000.
Amorphous polyester polyalcohol in the embodiment is more for the particular polyesters based on adipic acid-diethylene glycol-propane diols
First alcohol, its average weight-average molecular weight is 500-1500.
Crystalline polyester polyalcohol is based on the butanediol of adipic acid -1,4 and based on the fourth of decanedioic acid -1,4 in the embodiment
The PEPA of glycol, its average weight-average molecular weight is 3000-3500.
Chain extender is trimethylolpropane in the embodiment, and isocyanates is 2,4- methyl diphenylene diisocyanates and 4,
The mixture of 4'- methyl diphenylene diisocyanates, catalyst is N,N-Dibenzylamine.
The technical indicator of paper-plastic stick polyurethane hot melt is as follows in the implementation case:
Viscosity:3500 mPa·s/80℃;
NCO%:5.2%;
Open hour:2h;
Storage period:Inflated with nitrogen, sealing is stored 6 months at 5 DEG C -30 DEG C;
Finished product temperature tolerance:Do not break within 3-5 seconds at a temperature of 240 DEG C.
Finished product combined strength bination:Paper material is broken
Detection method:
The measure of viscosity:
Fly rotor viscosimeter with rich strangle, No. 28 rotors, temperature setting is 80 DEG C, is detected.
NCO% measure:
Product is reacted with excessive standard di-n-butylamine solution in butanone, is then titrated with HCL solution, determines NCO%.
The measure of open hour:
Product is melted into 45min at 80 degrees Celsius, 1mm films are then scraped in release liners with film preparing device, with finger tip contacts, with
Presentation aggressive tack is end time.
Temperature tolerance is tested:Paper-plastic stick is coated with adhesive on logical damp solvent-free coatable machine, coating temperature:80
DEG C, spread is 3.5g/ ㎡, and base material is BOPP film and 90g brown paper, and entering curing chamber after the completion of being combined cures more than 24h,
It is temperature tolerance test that bag is carried out after the completion of curing.
Finished product combined strength bination is tested:
180 degree disbonded test is carried out using puller system.
Embodiment 2
The preparation method of the paper-plastic stick polyurethane thermosol of the embodiment, its step is as follows:
(1)14 parts by weight Crystalline type PEPAs are taken, 50 parts by weight amorphous polyester polyalcohols, 1 parts by weight chain extender is added
In reactor, the vacuum dehydration 1.5h-2h under the conditions of 110 DEG C -120 DEG C;
(2)65 DEG C are cooled to, 35 parts by weight isocyanates are added while stirring;
(3)It is to slowly warm up to 80 DEG C -85 DEG C, vacuum defoamation reaction 60min;
(4)Add the catalyst of 0.001 parts by weight, be then evacuated to bubble-free appearance, tested viscosity and
NCO%;
(5)After viscosity and NCO% are qualified, discharge, sealing, packaging can obtain product.
Amorphous polyester polyalcohol in the embodiment is more for the particular polyesters based on adipic acid-hexylene glycol-propane diols
First alcohol, its average weight-average molecular weight is 500-1500.
Crystalline polyester polyalcohol is the PEPA based on adipic acid -1,6 hexylene glycol in the embodiment, its average weight
Average molecular weight is 3000-3500.
Chain extender is trimethylolpropane in the embodiment, and isocyanates is 2,4- methyl diphenylene diisocyanates and 4,
The mixture of 4'- methyl diphenylene diisocyanates, catalyst is N,N-Dibenzylamine.
The technical indicator of paper-plastic stick polyurethane hot melt is as follows in the implementation case:
Viscosity:3000 mPa·s/80℃;
NCO%:5.5%;
Open hour:2.5h;
Storage period:Inflated with nitrogen, sealing is stored 6 months at 5 DEG C -30 DEG C;
Finished product temperature tolerance:Do not break within 3-5 seconds at a temperature of 260 DEG C.
Finished product combined strength bination:Paper material is broken
Detection method:
The measure of viscosity:
Fly rotor viscosimeter with rich strangle, No. 28 rotors, temperature setting is 80 DEG C, is detected.
NCO% measure:
Product is reacted with excessive standard di-n-butylamine solution in butanone, is then titrated with HCL solution, determines NCO%.
The measure of open hour:
Product is melted into 45min at 80 degrees Celsius, 1mm films are then scraped in release liners with film preparing device, with finger tip contacts, with
Presentation aggressive tack is end time.
Temperature tolerance is tested:Paper-plastic stick is coated with adhesive on logical damp solvent-free coatable machine, coating temperature:80
DEG C, spread is 3.5g/ ㎡, and base material is BOPP film and 60g brown paper, and entering curing chamber after the completion of being combined cures more than 24h,
It is temperature tolerance test that bag is carried out after the completion of curing.
Finished product combined strength bination is tested:
180 degree disbonded test is carried out using puller system.
Embodiment 3
The preparation method of the paper-plastic stick polyurethane thermosol of the embodiment, its step is as follows:
(1)63 parts by weight amorphous polyester polyalcohols are taken to add in reactor, the vacuum dehydration under the conditions of 110 DEG C -120 DEG C
1.5h-2h;
(2)65 DEG C are cooled to, 37 parts by weight isocyanates are added while stirring;
(3)It is to slowly warm up to 80 DEG C -85 DEG C, vacuum defoamation reaction 60min;
(4)Add the catalyst of 0.001 parts by weight, be then evacuated to bubble-free appearance, tested viscosity and
NCO%;
(5)After viscosity and NCO% are qualified, discharge, sealing, packaging can obtain product.
Amorphous polyester polyalcohol in the embodiment is more for the particular polyesters based on adipic acid-diethylene glycol-propane diols
First alcohol, its average weight-average molecular weight is 500-1500.
Isocyanates is 2,4- methyl diphenylene diisocyanates and the isocyanide of 4,4'- diphenyl methane two in the embodiment
The mixture of acid esters, catalyst is N,N-Dibenzylamine.
The technical indicator of paper-plastic stick polyurethane hot melt is as follows in the implementation case:
Viscosity:2600 mPa·s/80℃;
NCO%:6%;
Open hour:3h;
Storage period:Inflated with nitrogen, sealing is stored 6 months at 5 DEG C -30 DEG C;
Finished product temperature tolerance:Do not break within 3-5 seconds at a temperature of 280 DEG C.
Finished product combined strength bination:Paper material is broken
Detection method:
The measure of viscosity:
Fly rotor viscosimeter with rich strangle, No. 28 rotors, temperature setting is 80 DEG C, is detected.
NCO% measure:
Product is reacted with excessive standard di-n-butylamine solution in butanone, is then titrated with HCL solution, determines NCO%.
The measure of open hour:
Product is melted into 45min at 80 degrees Celsius, 1mm films are then scraped in release liners with film preparing device, with finger tip contacts, with
Presentation aggressive tack is end time.
Temperature tolerance is tested:Paper-plastic stick is coated with adhesive on logical damp solvent-free coatable machine, coating temperature:80
DEG C, spread is 3.5g/ ㎡, and base material is BOPP film and 60g brown paper, and entering curing chamber after the completion of being combined cures more than 24h,
It is temperature tolerance test that bag is carried out after the completion of curing.
Finished product combined strength bination is tested:
180 degree disbonded test is carried out using puller system.
Claims (10)
1. paper-plastic stick one-component polyurethane adhesive, it is characterised in that be prepared from by the raw material of following parts by weight:
0-30 parts of PPG;
20-80 parts of PEPA;
0-5 parts of chain extender;
20-50 parts of isocyanates;
0.01-1 parts of catalyst.
2. paper-plastic stick one-component polyurethane adhesive according to claim 1, it is characterised in that described polyethers is more
The average weight-average molecular weight of first alcohol is in 400-2000.
3. paper-plastic stick single-component polyurethane adhesive according to claim 1, it is characterised in that described polyethers is more
First alcohol is polyoxypropyleneglycol, PTMG, one kind in PolyTHF-propylene oxide copolymer glycols or appointed
The two or more mixture of meaning.
4. paper-plastic stick single-component polyurethane adhesive according to claim 1, it is characterised in that described polyester is more
First alcohol includes crystalline polyester polyalcohol, 10-60 parts of the amorphous polyester polyalcohol of 0-20 parts of parts by weight, and total amount is 20-
80 parts;Crystalline polyester polyalcohol average weight-average molecular weight is 1000-5000, the average weight of described amorphous polyester polyalcohol
Average molecular weight is 400-6000.
5. paper-plastic stick single-component polyurethane adhesive according to claim 4, it is characterised in that described crystal type
PEPA, is adipic acid, suberic acid, decanedioic acid, one kind of dodecanedioic acid or any two or more and ethylene glycol, fourth two
The crystalline polyester polyalcohol of one kind or any two or more polycondensations in alcohol, ethohexadiol, hexylene glycol, diethylene glycol (DEG).
6. paper-plastic stick single-component polyurethane adhesive according to claim 4, it is characterised in that described is unformed
PEPA is one kind or any two kinds in adipic acid, decanedioic acid, terephthalic acid (TPA), M-phthalic acid or phthalic acid
It polymerize above with one kind in ethylene glycol, butanediol, diethylene glycol (DEG), hexylene glycol or neopentyl alcohol or any two or more polycondensations
Thing.
7. paper-plastic stick single-component polyurethane adhesive according to claim 1, it is characterised in that described chain extender
For one kind in ethylene glycol, propane diols, diethylene glycol (DEG), trimethylolpropane, hexylene glycol or triethylene glycol or any two or more mixed
Compound.
8. paper-plastic stick single-component polyurethane adhesive according to claim 1, it is characterised in that described isocyanic acid
Ester is that toluene di-isocyanate(TDI), methyl diphenylene diisocyanate, hydrogenated diphenyl methane diisocyanate, isophorone two are different
Cyanate, hexamethylene diisocyanate, one kind in the methyl diphenylene diisocyanate of Carbodiimide-Modified or any
Two or more mixtures.
9. paper-plastic stick single-component polyurethane adhesive according to claim 1, it is characterised in that described catalyst
For one kind in dibutyl tin laurate, stannous octoate, triethylene diamine, triethanolamine and N,N-Dibenzylamine or any
Two or more mixtures.
10. the preparation side of the paper-plastic stick monocomponent polyurethane thermosol according to any one of claim 1 to 9
Method, it is characterized in that, including procedure below:
Other raw materials by isocyanates is poly-, beyond catalyst are added in reactor, and melting stirring mixing vacuumizes dehydration;Institute
It is 110 DEG C -120 DEG C to state and vacuumize dehydration conditions, and the time is 0.5h-3h, and vacuum is -0.08MPa- -0.1Mpa;
Material first cools to 65 DEG C, isocyanates is then added while stirring, is to slowly warm up to 80 DEG C -85 DEG C and is taken out
Vacuum reaction;The described heating response condition that vacuumizes is:Temperature be 80 DEG C -85 DEG C, vacuum be -0.08MPa- -
0.1MPa, the time is 0.5h-3h;
Catalyst progress vacuumizing and defoaming reaction is eventually adding to be made;The vacuum defoamation reaction is under the conditions of 80 DEG C -85 DEG C
It is evacuated to bubble-free appearance, sampling and testing NCO% contents and viscosity;When NCO% contents reach 2%-6%, 80 DEG C -110 DEG C viscous
Degree is after 3000mPas-800 mPas, and discharging packs, produces product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710430377.4A CN107163895A (en) | 2017-06-09 | 2017-06-09 | Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710430377.4A CN107163895A (en) | 2017-06-09 | 2017-06-09 | Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107163895A true CN107163895A (en) | 2017-09-15 |
Family
ID=59825885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710430377.4A Pending CN107163895A (en) | 2017-06-09 | 2017-06-09 | Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107163895A (en) |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109177360A (en) * | 2018-07-27 | 2019-01-11 | 江苏贝格丽新材料科技有限公司 | A kind of paper-plastic stick ornament materials and its manufacturing method |
CN109233721A (en) * | 2018-08-06 | 2019-01-18 | 苏州长业材料技术有限公司 | A kind of solar energy backboard solvent-free Adhesive composition and preparation method thereof |
CN109575867A (en) * | 2018-08-29 | 2019-04-05 | 廊坊市北辰创业树脂材料股份有限公司 | A kind of monocomponent polyurethane adhesive and its preparation method and application |
CN110229645A (en) * | 2019-07-12 | 2019-09-13 | 重庆韩拓科技有限公司 | High just allonge component moisture-curable reaction type polyurethane hot-melt adhesive and preparation method thereof |
CN110696474A (en) * | 2019-10-23 | 2020-01-17 | 广东鑫瑞新材料科技有限公司 | Paper-plastic compounding-transferring process adopting single-component solvent-free glue |
CN111073581A (en) * | 2019-12-23 | 2020-04-28 | 烟台信友新材料有限公司 | Low-melt-viscosity high-pressure waterproof moisture-curable hot melt adhesive and preparation method thereof |
CN111826113A (en) * | 2020-07-22 | 2020-10-27 | 北京高盟新材料股份有限公司 | Paper-plastic film-coated moisture curing reaction type polyurethane hot melt adhesive and preparation method thereof |
CN112592687A (en) * | 2020-12-15 | 2021-04-02 | 南通恒华粘合材料科技有限公司 | Reactive polyurethane hot melt adhesive for automobile lamp |
CN112625638A (en) * | 2020-12-17 | 2021-04-09 | 南通恒华粘合材料科技有限公司 | Universal coating adhesive and preparation method thereof |
CN112646529A (en) * | 2020-12-18 | 2021-04-13 | 上海康达化工新材料集团股份有限公司 | High-temperature-resistant single-component solvent-free polyurethane adhesive and preparation method and application thereof |
CN112708386A (en) * | 2020-12-24 | 2021-04-27 | 上海回天新材料有限公司 | Solvent-free single-component moisture-curing polyurethane adhesive for paper-plastic compounding and preparation method thereof |
CN112708101A (en) * | 2020-12-24 | 2021-04-27 | 辽宁恒星精细化工有限公司 | Preparation method of thermoplastic polyurethane elastomer for reactive hot melt adhesive |
CN112831308A (en) * | 2021-01-28 | 2021-05-25 | 无锡莱恩科技有限公司 | Single-component solvent-free hot melt adhesive and preparation method and use method thereof |
CN112920760A (en) * | 2021-01-28 | 2021-06-08 | 无锡莱恩科技有限公司 | Single-component solvent-free hot melt adhesive for iron coating and preparation method and use method thereof |
CN112920756A (en) * | 2021-01-28 | 2021-06-08 | 浙江洛克新材料股份有限公司 | Residual-free moisture-cured adhesive and preparation method thereof |
CN113025258A (en) * | 2021-04-07 | 2021-06-25 | 无锡莱恩科技有限公司 | Moisture-curing hot melt adhesive for compounding flexible printed circuit board and preparation method thereof |
CN113528076A (en) * | 2020-12-31 | 2021-10-22 | 上海回天新材料有限公司 | Solvent-free single-component moisture-curing polyurethane adhesive for wearable equipment and preparation method thereof |
CN114736644A (en) * | 2021-08-03 | 2022-07-12 | 无锡市万力粘合材料股份有限公司 | Transparent edge sealing adhesive and preparation method thereof |
CN114752338A (en) * | 2022-03-08 | 2022-07-15 | 东莞市研思新材料科技有限公司 | Polyurethane primer for water-based abrasive paper and preparation method thereof |
CN114774064A (en) * | 2022-04-28 | 2022-07-22 | 江苏华大新材料有限公司 | Single-component solvent-free polyurethane adhesive for paper-plastic compounding and preparation method thereof |
CN114891477A (en) * | 2022-06-21 | 2022-08-12 | 台州禾欣高分子新材料有限公司 | High-performance polyurethane adhesive and preparation method thereof |
CN115991970A (en) * | 2022-12-12 | 2023-04-21 | 康达新材料(集团)股份有限公司 | Reactive polyurethane hot melt adhesive for automobile spare tire cover plate and preparation method thereof |
CN114736644B (en) * | 2021-08-03 | 2024-04-26 | 无锡市万力粘合材料股份有限公司 | Transparent edge sealing adhesive and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103131378A (en) * | 2013-03-07 | 2013-06-05 | 上海超肃新材料科技有限公司 | Solventless polyurethane adhesive and method for paper plastic packaging |
CN105295815A (en) * | 2015-11-11 | 2016-02-03 | 上海康达化工新材料股份有限公司 | Reactive polyurethane hot melt adhesive for reflective fabric and preparation method thereof |
-
2017
- 2017-06-09 CN CN201710430377.4A patent/CN107163895A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103131378A (en) * | 2013-03-07 | 2013-06-05 | 上海超肃新材料科技有限公司 | Solventless polyurethane adhesive and method for paper plastic packaging |
CN105295815A (en) * | 2015-11-11 | 2016-02-03 | 上海康达化工新材料股份有限公司 | Reactive polyurethane hot melt adhesive for reflective fabric and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
李广宇等: "《胶粘与密封新技术》", 31 January 2006, 国防工业出版社 * |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109177360A (en) * | 2018-07-27 | 2019-01-11 | 江苏贝格丽新材料科技有限公司 | A kind of paper-plastic stick ornament materials and its manufacturing method |
CN109233721A (en) * | 2018-08-06 | 2019-01-18 | 苏州长业材料技术有限公司 | A kind of solar energy backboard solvent-free Adhesive composition and preparation method thereof |
CN109575867B (en) * | 2018-08-29 | 2021-04-23 | 廊坊市北辰创业树脂材料股份有限公司 | Single-component polyurethane adhesive and preparation method and application thereof |
CN109575867A (en) * | 2018-08-29 | 2019-04-05 | 廊坊市北辰创业树脂材料股份有限公司 | A kind of monocomponent polyurethane adhesive and its preparation method and application |
CN110229645A (en) * | 2019-07-12 | 2019-09-13 | 重庆韩拓科技有限公司 | High just allonge component moisture-curable reaction type polyurethane hot-melt adhesive and preparation method thereof |
CN110229645B (en) * | 2019-07-12 | 2021-10-08 | 重庆韩拓科技有限公司 | High initial-adhesion single-component moisture curing reaction type polyurethane hot melt adhesive and preparation method thereof |
CN110696474A (en) * | 2019-10-23 | 2020-01-17 | 广东鑫瑞新材料科技有限公司 | Paper-plastic compounding-transferring process adopting single-component solvent-free glue |
CN111073581A (en) * | 2019-12-23 | 2020-04-28 | 烟台信友新材料有限公司 | Low-melt-viscosity high-pressure waterproof moisture-curable hot melt adhesive and preparation method thereof |
CN111073581B (en) * | 2019-12-23 | 2022-01-07 | 烟台信友新材料有限公司 | Low-melt-viscosity high-pressure waterproof moisture-curable hot melt adhesive and preparation method thereof |
CN111826113A (en) * | 2020-07-22 | 2020-10-27 | 北京高盟新材料股份有限公司 | Paper-plastic film-coated moisture curing reaction type polyurethane hot melt adhesive and preparation method thereof |
CN112592687A (en) * | 2020-12-15 | 2021-04-02 | 南通恒华粘合材料科技有限公司 | Reactive polyurethane hot melt adhesive for automobile lamp |
CN112625638A (en) * | 2020-12-17 | 2021-04-09 | 南通恒华粘合材料科技有限公司 | Universal coating adhesive and preparation method thereof |
CN112646529A (en) * | 2020-12-18 | 2021-04-13 | 上海康达化工新材料集团股份有限公司 | High-temperature-resistant single-component solvent-free polyurethane adhesive and preparation method and application thereof |
CN112708101A (en) * | 2020-12-24 | 2021-04-27 | 辽宁恒星精细化工有限公司 | Preparation method of thermoplastic polyurethane elastomer for reactive hot melt adhesive |
CN112708386A (en) * | 2020-12-24 | 2021-04-27 | 上海回天新材料有限公司 | Solvent-free single-component moisture-curing polyurethane adhesive for paper-plastic compounding and preparation method thereof |
CN113528076A (en) * | 2020-12-31 | 2021-10-22 | 上海回天新材料有限公司 | Solvent-free single-component moisture-curing polyurethane adhesive for wearable equipment and preparation method thereof |
CN112920760A (en) * | 2021-01-28 | 2021-06-08 | 无锡莱恩科技有限公司 | Single-component solvent-free hot melt adhesive for iron coating and preparation method and use method thereof |
CN112920756A (en) * | 2021-01-28 | 2021-06-08 | 浙江洛克新材料股份有限公司 | Residual-free moisture-cured adhesive and preparation method thereof |
CN112831308A (en) * | 2021-01-28 | 2021-05-25 | 无锡莱恩科技有限公司 | Single-component solvent-free hot melt adhesive and preparation method and use method thereof |
CN113025258A (en) * | 2021-04-07 | 2021-06-25 | 无锡莱恩科技有限公司 | Moisture-curing hot melt adhesive for compounding flexible printed circuit board and preparation method thereof |
CN114736644A (en) * | 2021-08-03 | 2022-07-12 | 无锡市万力粘合材料股份有限公司 | Transparent edge sealing adhesive and preparation method thereof |
CN114736644B (en) * | 2021-08-03 | 2024-04-26 | 无锡市万力粘合材料股份有限公司 | Transparent edge sealing adhesive and preparation method thereof |
CN114752338A (en) * | 2022-03-08 | 2022-07-15 | 东莞市研思新材料科技有限公司 | Polyurethane primer for water-based abrasive paper and preparation method thereof |
CN114774064A (en) * | 2022-04-28 | 2022-07-22 | 江苏华大新材料有限公司 | Single-component solvent-free polyurethane adhesive for paper-plastic compounding and preparation method thereof |
CN114774064B (en) * | 2022-04-28 | 2023-09-12 | 江苏华大新材料有限公司 | Single-component solvent-free polyurethane adhesive for paper-plastic composite and preparation method thereof |
CN114891477A (en) * | 2022-06-21 | 2022-08-12 | 台州禾欣高分子新材料有限公司 | High-performance polyurethane adhesive and preparation method thereof |
CN115991970A (en) * | 2022-12-12 | 2023-04-21 | 康达新材料(集团)股份有限公司 | Reactive polyurethane hot melt adhesive for automobile spare tire cover plate and preparation method thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107163895A (en) | Paper-plastic stick monocomponent polyurethane thermosol and preparation method thereof | |
CN105295815B (en) | A kind of Reflection fabric reaction type polyurethane hot-melt adhesive and preparation method thereof | |
CN107090268A (en) | Fabric is compound with high moisture-inhibiting monocomponent polyurethane hot melt adhesive and preparation method thereof | |
JP4986447B2 (en) | Alkoxysilane functional composition | |
CN108251039A (en) | A kind of high moisture-inhibiting functional fabric reaction type polyurethane hot-melt adhesive and preparation method thereof | |
AU621612B2 (en) | Non-hairing moisture curable compositions | |
EP2493946B1 (en) | Aqueous formulations based on crystalline or semicrystalline polyurethane polymers | |
CN105131896B (en) | Method for preparing polyurethane hot melt adhesive capable of achieving quick positioning | |
US7166649B2 (en) | Polyester-polyether hybrid urethane acrylate oligomer for UV curing pressure sensitive adhesives | |
JP6408036B2 (en) | Removable polyurethane hot melt adhesive and use thereof | |
JPH08503513A (en) | Moisture-curing polyurethane hot melt adhesive | |
JP2022008540A (en) | Binary adhesive composition, and production method thereof | |
CA2276523A1 (en) | Low monomer polyurethane prepolymer and process therefor | |
WO2005105857A1 (en) | Polyester-polyether hybrid urethane acrylate oligomer for uv curing pressure sensitive adhesives | |
US11608457B2 (en) | Two-component solventless adhesive compositions and methods of making same | |
CN106883810A (en) | A kind of exfoliated polyurethane binder high | |
EP0077192B1 (en) | Ternary adhesive systems | |
CN106986975A (en) | A kind of preparation method of polyurethane laminating adhesive | |
JPH11131045A (en) | Adhesive for laminate | |
JP2627839B2 (en) | Reactive hot melt adhesive | |
JPH02305882A (en) | Reactive hot melt adhesive | |
AU3896501A (en) | Hot melt adhesive | |
US4487909A (en) | Ternary adhesive systems containing a polyester polyol, an isocyanate-polyester-urethane, and a crosslinking agent which is a polyisocyanate | |
EP1149850A1 (en) | Crystalline polyesterpolyol and hot-melt adhesive | |
CN107828038A (en) | A kind of closure wet-method synthetic leather polyurethane curing agent 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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |