CN107488427A - A kind of modified poly ethylene vinyl acetate PUR applied in plastics bonding - Google Patents
A kind of modified poly ethylene vinyl acetate PUR applied in plastics bonding Download PDFInfo
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- CN107488427A CN107488427A CN201710902611.9A CN201710902611A CN107488427A CN 107488427 A CN107488427 A CN 107488427A CN 201710902611 A CN201710902611 A CN 201710902611A CN 107488427 A CN107488427 A CN 107488427A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/06—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- 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
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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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
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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
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention relates to hot melt adhesive material processing technique field, discloses a kind of modified poly ethylene vinyl acetate PUR applied in plastics bonding, is made up in parts by weight of following component：50 60 parts of modified poly ethylene vinyl acetate resin, 40 50 parts of tackifier, 58 parts of filler, 35 parts of paraffin, 12 parts of antioxidant, 0.2 0.3 parts of plasticizer, toughness after resin modified under low-temperature condition, impact resistance, flexibility, stress cracking resistance, viscosity, heat sealability and alternating bending increase, the peel strength of splicing improves, caoutchouc elasticity increases, and intensity, hardness, melting point and thermal deformation temperature are also lifted therewith, it is heat-resist, coating homogeneity is good, modified PUR had both had the features such as fabulous pliability and adhesive strength concurrently, also have melt viscosity low, the advantages of heat-resist.
Description
Technical field
The invention belongs to hot melt adhesive material processing technique field, and in particular to a kind of modification applied in plastics bonding gathers
Ethene-vinyl acetate PUR.
Background technology
With the continuous enhancing of people's environmental consciousness, low stain or pollution-free Environment-friendlyadhesive adhesive oneself through arising at the historic moment.Gu
Body heat melten gel is free of organic solvent, be it is a kind of apply in melting form, solidification, cooling.Then, by chemical crosslinking, initial
Adhesion strength development solidification, then cooled and solidified from molten condition.Subsequent curing reaction imparts final bonding strength and changed
Kind closely bonding with ground.It is pollution-free with nontoxic, the features such as adhesion strength is big, therefore be widely used.Weaving,
Electronics, books unsewn binding etc. suffers from quite varied application value.Current PUR significant portion is all to use
It is prepared by poly- phthalein amine, the hot-melt resin such as the vinyl acetate co-polymer of ethene one (EVA), polyester.
Wherein the vinyl acetate PUR of ethene one is the maximum PUR of current dosage, has fine pliability and adhesive strength
The advantages that, but its intensity and elasticity are poor, hold and can't stand excessive pressure, and melt viscosity is big, is not easy manual operations, in use
Also a definite limitation is received.Therefore developing the vinyl acetate PUR of ethene one, oneself is imperative.
The content of the invention
The purpose of the present invention be for it is existing the problem of, there is provided it is a kind of apply plastics bonding on modified poly ethylene-
Vinyl acetate PUR, the features such as modified PUR had both had fabulous pliability and adhesive strength concurrently, it may have melting
The advantages of viscosity is low, heat-resist.
The present invention is achieved by the following technical solutions：
A kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, in parts by weight by following component system
Into：Modified poly ethylene-vinyl acetate resin 50-60 parts, tackifier 40-50 parts, filler 5-8 parts, paraffin 3-5 parts, antioxidant 1-2
Part, plasticizer 0.2-0.3 parts, the preparation method of the modified poly ethylene-vinyl acetate resin are：
By polyethylene and vinylacetate according to 4-6:2-3 mixed proportion is added in the four-hole boiling flask equipped with agitating device,
And 2-3 drop phosphoric acid catalysts are added dropwise, and 140-150 DEG C is warming up to, rosin resin and phenolic resin is added, stirs, it is warm herein
Degree is lower to be added dropwise ethylenediamine, and rate of addition is 40-50 drops/minute, and is stirred continuously, and 230-260 DEG C is warming up to after dripping, reaction
2-3h, under conditions of keeping temperature is constant, 0.1-0.2KMp is evacuated to, is then cooled to 150-160 DEG C, blowing, produces institute
State modified poly ethylene-vinyl acetate resin, in course of reaction the addition of rosin resin and phenolic resin compare for 1:10-12.
As further improvement of these options, the PUR preparation method is：
（1）Tackifier, antioxidant, plasticizer are proportionally added in reactor, is slowly heated, elevates the temperature to 150-
Between 160 DEG C, modified poly ethylene-vinyl acetate resin is divided into 3-5 times and is added in reactor, each interval time is
20-30 minutes；
（2）After material starts fusing, paraffin is added, starts to stir, after material completely melting, temperature is increased to 165-
175 DEG C, continue to stir 1.5-2.5 hours, add filler, at the uniform velocity stir to well mixed, end reaction, discharging cooling.
As further improvement of these options, the filler contains following component in parts by weight：Talcum powder 15-
18 parts, precipitated calcium carbonate 14-16 parts, barium sulfate 12-15 parts, silica flour 10-12 parts, zinc oxide 8-10 parts, titanium dioxide 6-8 parts,
Magnesia 3-5 parts.
As further improvement of these options, rosin resin and the phenolic resin gross mass is polyethylene and acetic acid
The 15-20% of vinyl acetate gross mass, ethylenediamine dripping quantity are polyethylene and the 4.5-5.5% of vinylacetate gross mass.
The present invention has advantages below compared with prior art：In order to solve the existing vinyl acetate PUR intensity of ethene one
It is low, melting viscosity is big, the problem of poor heat resistance, the invention provides a kind of modified poly ethylene-vinegar applied in plastics bonding
Sour ethene PUR, is modified using rosin resin and phenolic resin resin to it, modified toughness under low-temperature condition,
Impact resistance, flexibility, stress cracking resistance, viscosity, heat sealability and alternating bending increase, the peel strength of splicing carry
Height, caoutchouc elasticity increase, and intensity, hardness, melting point and thermal deformation temperature are also lifted therewith, heat-resist, coating homogeneity
Well, the features such as modified PUR had both had fabulous pliability and adhesive strength concurrently, it may have melt viscosity is low, heat resistance
The advantages of good.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, in parts by weight by following component system
Into：50 parts of modified poly ethylene-vinyl acetate resin, 40 parts of tackifier, 5 parts of filler, 3 parts of paraffin, 1 part of antioxidant, plasticizer 0.2
Part, the preparation method of the modified poly ethylene-vinyl acetate resin is：
By polyethylene and vinylacetate according to 4:2 mixed proportion is added in the four-hole boiling flask equipped with agitating device, and is dripped
Add 2 drop phosphoric acid catalysts, be warming up to 140 DEG C, add rosin resin and phenolic resin, stir, second is added dropwise at this temperature
Diamines, rate of addition is 40 drops/minute, and is stirred continuously, and 230 DEG C are warming up to after dripping, and reacts 2h, and keeping temperature is constant
Under the conditions of, 0.1KMp is evacuated to, 150 DEG C is then cooled to, blowing, produces the modified poly ethylene-vinyl acetate resin, instead
The addition of rosin resin and phenolic resin is compared for 1 during answering:10.
As further improvement of these options, the PUR preparation method is：
（1）Tackifier, antioxidant, plasticizer are proportionally added in reactor, is slowly heated, elevates the temperature to 150-
Between 160 DEG C, modified poly ethylene-vinyl acetate resin is divided into 3 times and is added in reactor, each interval time is 20 points
Clock；
（2）After material starts fusing, paraffin is added, starts to stir, after material completely melting, temperature is increased to 165 DEG C,
Continue stirring 1.5 hours, add filler, at the uniform velocity stir to well mixed, end reaction, discharging cooling.
As further improvement of these options, the filler contains following component in parts by weight：Talcum powder 15
Part, 14 parts of precipitated calcium carbonate, 12 parts of barium sulfate, 10 parts of silica flour, 8 parts of zinc oxide, 6 parts of titanium dioxide, 3 parts of magnesia.
As further improvement of these options, rosin resin and the phenolic resin gross mass is polyethylene and acetic acid
The 15% of vinyl acetate gross mass, ethylenediamine dripping quantity are the 4.5% of polyethylene and vinylacetate gross mass.
Embodiment 2
A kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, in parts by weight by following component system
Into：55 parts of modified poly ethylene-vinyl acetate resin, 45 parts of tackifier, 6 parts of filler, 4 parts of paraffin, 1.5 parts of antioxidant, plasticizer
0.25 part, the preparation method of the modified poly ethylene-vinyl acetate resin is：
By polyethylene and vinylacetate according to 5:2.5 mixed proportion is added in the four-hole boiling flask equipped with agitating device, and
2 drop phosphoric acid catalysts are added dropwise, is warming up to 145 DEG C, adds rosin resin and phenolic resin, stir, be added dropwise at this temperature
Ethylenediamine, rate of addition is 45 drops/minute, and is stirred continuously, and 240 DEG C are warming up to after dripping, and reacts 2.5h, keeping temperature is not
Under conditions of change, 0.15KMp is evacuated to, 155 DEG C is then cooled to, blowing, produces the modified poly ethylene-vinyl acetate tree
Fat, in course of reaction the addition of rosin resin and phenolic resin compare for 1:11.
As further improvement of these options, the PUR preparation method is：
（1）Tackifier, antioxidant, plasticizer are proportionally added in reactor, is slowly heated, elevates the temperature to 150-
Between 160 DEG C, modified poly ethylene-vinyl acetate resin is divided into 4 times and is added in reactor, each interval time is 25 points
Clock；
（2）After material starts fusing, paraffin is added, starts to stir, after material completely melting, temperature is increased to 170 DEG C,
Continue stirring 2.0 hours, add filler, at the uniform velocity stir to well mixed, end reaction, discharging cooling.
As further improvement of these options, the filler contains following component in parts by weight：Talcum powder 16
Part, 15 parts of precipitated calcium carbonate, 13 parts of barium sulfate, 11 parts of silica flour, 9 parts of zinc oxide, 7 parts of titanium dioxide, 4 parts of magnesia.
As further improvement of these options, rosin resin and the phenolic resin gross mass is polyethylene and acetic acid
The 18% of vinyl acetate gross mass, ethylenediamine dripping quantity are the 5.0% of polyethylene and vinylacetate gross mass.
Embodiment 3
A kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, in parts by weight by following component system
Into：60 parts of modified poly ethylene-vinyl acetate resin, 50 parts of tackifier, 8 parts of filler, 5 parts of paraffin, 2 parts of antioxidant, plasticizer 0.3
Part, the preparation method of the modified poly ethylene-vinyl acetate resin is：
By polyethylene and vinylacetate according to 6:3 mixed proportion is added in the four-hole boiling flask equipped with agitating device, and is dripped
Add 3 drop phosphoric acid catalysts, be warming up to 150 DEG C, add rosin resin and phenolic resin, stir, second is added dropwise at this temperature
Diamines, rate of addition is 50 drops/minute, and is stirred continuously, and 260 DEG C are warming up to after dripping, and reacts 3h, and keeping temperature is constant
Under the conditions of, 0.2KMp is evacuated to, 160 DEG C is then cooled to, blowing, produces the modified poly ethylene-vinyl acetate resin, instead
The addition of rosin resin and phenolic resin is compared for 1 during answering:12.
As further improvement of these options, the PUR preparation method is：
（1）Tackifier, antioxidant, plasticizer are proportionally added in reactor, is slowly heated, elevates the temperature to 150-
Between 160 DEG C, modified poly ethylene-vinyl acetate resin is divided into 5 times and is added in reactor, each interval time is 30 points
Clock；
（2）After material starts fusing, paraffin is added, starts to stir, after material completely melting, temperature is increased to 175 DEG C,
Continue stirring 2.5 hours, add filler, at the uniform velocity stir to well mixed, end reaction, discharging cooling.
As further improvement of these options, the filler contains following component in parts by weight：Talcum powder 18
Part, 16 parts of precipitated calcium carbonate, 15 parts of barium sulfate, 12 parts of silica flour, 10 parts of zinc oxide, 8 parts of titanium dioxide, 5 parts of magnesia.
As further improvement of these options, rosin resin and the phenolic resin gross mass is polyethylene and acetic acid
The 20% of vinyl acetate gross mass, ethylenediamine dripping quantity are the 5.5% of polyethylene and vinylacetate gross mass.
Comparative example 1
With differing only in for embodiment 1, modified poly ethylene-vinyl acetate resin is replaced using polyethylene vinyl acetate resin,
Remaining is consistent.
Comparative example 2
With differing only in for embodiment 2, modified poly ethylene-vinyl acetate resin is disposably added in reaction mixture,
Remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, in modifying process, rosin resin and phenolic resin gross mass are polyethylene and acetic acid second
The 25% of alkene ester gross mass, remaining is consistent.
Contrast experiment
Embodiment 1-3 and comparative example 1-3 method processing and fabricating polyethylene vinyl acetate PUR is used respectively, while with existing
Some polyethylene vinyl acetate PURs will carry out performance test, keep irrelevant variable as control after each group PUR sample preparation
Uniformity, logging is as shown in the table：
| Project | Melt index (g/lOmins) | Melt viscosity（cP） | Peel strength (N/mm) | Shear strength (KN) |
| Embodiment 1 | 46 | 20000 | 3.89 | 3.45 |
| Embodiment 2 | 43 | 18000 | 3.97 | 3.54 |
| Embodiment 3 | 44 | 19000 | 3.95 | 3.49 |
| Comparative example 1 | 58 | 55000 | 3.01 | 2.98 |
| Comparative example 2 | 55 | 48000 | 3.15 | 3.06 |
| Comparative example 3 | 53 | 45000 | 3.24 | 3.12 |
| Control group | 60 | 60000 | 2.54 | 2.75 |
As can be seen here：Modified PUR prepared by the present invention had both had the features such as fabulous pliability and adhesive strength concurrently,
Also there is the advantages of melt viscosity is low, heat-resist.
Claims (4)
1. a kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, it is characterised in that in parts by weight
It is made up of following component：Modified poly ethylene-vinyl acetate resin 50-60 parts, tackifier 40-50 parts,
Filler 5-8 parts, paraffin 3-5 parts, antioxidant 1-2 parts, plasticizer 0.2-0.3 parts, the modified poly ethylene-vinyl acetate tree
The preparation method of fat is：
By polyethylene and vinylacetate according to 4-6:2-3 mixed proportion is added in the four-hole boiling flask equipped with agitating device,
And 2-3 drop phosphoric acid catalysts are added dropwise, and 140-150 DEG C is warming up to, rosin resin and phenolic resin is added, stirs, it is warm herein
Degree is lower to be added dropwise ethylenediamine, and rate of addition is 40-50 drops/minute, and is stirred continuously, and 230-260 DEG C is warming up to after dripping, reaction
2-3h, under conditions of keeping temperature is constant, 0.1-0.2KMp is evacuated to, is then cooled to 150-160 DEG C, blowing, produces institute
State modified poly ethylene-vinyl acetate resin, in course of reaction the addition of rosin resin and phenolic resin compare for 1:10-12.
2. a kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, its feature exist as claimed in claim 1
In the PUR preparation method is：
（1）Tackifier, antioxidant, plasticizer are proportionally added in reactor, is slowly heated, elevates the temperature to 150-
Between 160 DEG C, modified poly ethylene-vinyl acetate resin is divided into 3-5 times and is added in reactor, each interval time is
20-30 minutes；
（2）After material starts fusing, paraffin is added, starts to stir, after material completely melting, temperature is increased to 165-
175 DEG C, continue to stir 1.5-2.5 hours, add filler, at the uniform velocity stir to well mixed, end reaction, discharging cooling.
3. a kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, its feature exist as claimed in claim 1
In the filler contains following component in parts by weight：Talcum powder 15-18 parts, precipitated calcium carbonate 14-16 parts, barium sulfate 12-
15 parts, silica flour 10-12 parts, zinc oxide 8-10 parts, titanium dioxide 6-8 parts, magnesia 3-5 parts.
4. a kind of modified poly ethylene-vinyl acetate PUR applied in plastics bonding, its feature exist as claimed in claim 1
In rosin resin and the phenolic resin gross mass is polyethylene and the 15-20% of vinylacetate gross mass, and ethylenediamine is added dropwise
Measure the 4.5-5.5% for polyethylene and vinylacetate gross mass.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109956157A (en) * | 2017-12-26 | 2019-07-02 | 东莞市广信知识产权服务有限公司 | A kind of mineral water bottle and its process for machining and manufacturing |
| CN111944456A (en) * | 2020-09-04 | 2020-11-17 | 上海路嘉胶粘剂有限公司 | EVA edge sealing hot melt adhesive without adhesive line and with low adhesive coating amount and preparation method thereof |
| CN113512377A (en) * | 2021-04-24 | 2021-10-19 | 佛山格邦高分子科技有限公司 | High-viscosity weather-resistant hot melt adhesive and preparation method thereof |
| CN114536919A (en) * | 2022-02-10 | 2022-05-27 | 云阳金田塑业有限公司 | Polypropylene thermal composite material and preparation method and application thereof |
| CN114806459A (en) * | 2022-06-01 | 2022-07-29 | 云阳金田塑业有限公司 | Modified EVA hot melt adhesive suitable for adhesive-free film and preparation method thereof |
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| CN109956157A (en) * | 2017-12-26 | 2019-07-02 | 东莞市广信知识产权服务有限公司 | A kind of mineral water bottle and its process for machining and manufacturing |
| CN111944456A (en) * | 2020-09-04 | 2020-11-17 | 上海路嘉胶粘剂有限公司 | EVA edge sealing hot melt adhesive without adhesive line and with low adhesive coating amount and preparation method thereof |
| CN113512377A (en) * | 2021-04-24 | 2021-10-19 | 佛山格邦高分子科技有限公司 | High-viscosity weather-resistant hot melt adhesive and preparation method thereof |
| CN114536919A (en) * | 2022-02-10 | 2022-05-27 | 云阳金田塑业有限公司 | Polypropylene thermal composite material and preparation method and application thereof |
| CN114536919B (en) * | 2022-02-10 | 2023-12-01 | 云阳金田塑业有限公司 | Polypropylene thermal composite material and preparation method and application thereof |
| CN114806459A (en) * | 2022-06-01 | 2022-07-29 | 云阳金田塑业有限公司 | Modified EVA hot melt adhesive suitable for adhesive-free film and preparation method thereof |
| CN114806459B (en) * | 2022-06-01 | 2023-09-01 | 云阳金田塑业有限公司 | Modified EVA hot melt adhesive suitable for glue-free film and preparation method thereof |
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Application publication date: 20171219 |