CN108893082A - A kind of hot melt adhesive and preparation method thereof - Google Patents
A kind of hot melt adhesive and preparation method thereof Download PDFInfo
- Publication number
- CN108893082A CN108893082A CN201810613413.5A CN201810613413A CN108893082A CN 108893082 A CN108893082 A CN 108893082A CN 201810613413 A CN201810613413 A CN 201810613413A CN 108893082 A CN108893082 A CN 108893082A
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- China
- Prior art keywords
- hot melt
- methyl
- melt adhesive
- ethylene
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Classifications
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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
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0869—Acids or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
Abstract
The present invention relates to a kind of hot melt adhesive and preparation method thereof.The hot melt adhesive includes the component of following mass parts：Ethylene-（Methyl）Acrylic copolymer or ethylene-（Methyl）70-90 parts of methyl acrylate, 10-30 parts of superfine rosin.Hot melt adhesive provided by the invention has good compatibility with carbon dioxide based polyalcohols such as lined polymethyl ethylene carbonate and its modified materials, can effectively realize with its bonding and with excellent adhesion strength.Also there is good cohesive force with polymer such as polyethylene, polypropylene and polyethylene terephthalates simultaneously.In addition hot melt adhesive preparation process provided by the present invention is simple, and Applicable temperature range is wide, has good cohesive force and holding power, can be used for the adhesive layer of coextrusion composite hose, has good market application prospect.
Description
Technical field
The invention belongs to field of material preparation, and in particular to a kind of hot melt adhesive and preparation method thereof.
Background technique
Currently used toiletry bag package material be multi-layer co-extruded composite material, including ectonexine, intermediate barrier layer and
Adhesive layer.Binder used in adhesive layer is mostly grafting property polyolefin and ethene-vinyl acetate etc., poly- with carbon dioxide-base
Conjunction object intermiscibility is very poor and can not effectively be bonded.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of hot melt adhesive and preparation method thereof, purports
It is solving binder used in existing packaging tube and is aoxidizing that carbon-based polymer compatibility is very poor and what can not effectively be bonded ask
Topic.
Technical scheme is as follows：
A kind of hot melt adhesive, wherein according to the mass fraction include 70-90 parts of ethylene-（Methyl）Acrylic copolymer or ethylene-
（Methyl）Methyl acrylate and 10-30 parts of rosin.
The hot melt adhesive, wherein according to the mass fraction include 80 parts of ethylene-（Methyl）Acrylic copolymer or second
Alkene-（Methyl）Methyl acrylate and 20 parts of rosin.
The hot melt adhesive, wherein the ethylene-（Methyl）Acrylic copolymer, ethylene-（Methyl）In methyl acrylate
Acrylic acid content is 5%-20%.
The hot melt adhesive, wherein melt index 1.0-2.0g/10min.
A kind of preparation method of hot melt adhesive as described above, wherein including step：
By ethylene-（Methyl）Acrylic copolymer or ethylene-（Methyl）Methyl acrylate and rosin are put into according to mass parts ratio
It is mixed into blender, obtains mixture；
By the mixture in screw extruder extruding pelletization.
The preparation method, wherein mixing time 10-60s.
The preparation method, wherein the screw extruder temperature is set as 120-190 DEG C.
Beneficial effect：Hot melt adhesive disclosed in this invention, wherein ethylene-（Methyl）Acrylic copolymer, ethylene-（Methyl）
Methyl acrylate all has excellent Hot Tack strength, low envelope temperature and good toughness, facilitates the melting extrusion of hot melt adhesive.
Tackifier are natural material rosin, it can effectively improve the initial bonding strength and adhesion strength of hot melt adhesive.Heat provided by the invention
Melten gel has good compatibility with the carbon dioxide based polyalcohol such as lined polymethyl ethylene carbonate and its modified material, can be with
It is effective to realize with its bonding and with excellent adhesion strength.Simultaneously with polyethylene, polypropylene and poly terephthalic acid second
The polymer such as diol ester also have good cohesive force.
Detailed description of the invention
Fig. 1 is a kind of hot melt adhesive preparation method preferred embodiment flow chart in the present invention.
Specific embodiment
The present invention provides a kind of hot melt adhesive and preparation method thereof, to make the purpose of the present invention, technical solution and effect more
Clear, clear, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only to solve
The present invention is released, is not intended to limit the present invention.
Hot melt adhesive disclosed in this invention includes 70-90 parts of ethylene-in parts by mass（Methyl）Acrylic copolymer or
Person's ethylene-（Methyl）Methyl acrylate and 10-30 parts of rosin.
As the embodiment of the invention, the hot melt adhesive is by 80 parts of ethylene-（Methyl）Acrylic copolymer or
Ethylene-（Methyl）Methyl acrylate and 20 parts of rosin form, the ethylene-（Methyl）Acrylic copolymer, ethylene-（Methyl）Third
E pioic acid methyl ester acrylic acid content is 5%-20% (such as 10%), melt index 1.0-2.0g/10min（Such as 1.0 g/10min）, second
Alkene-（Methyl）Acrylic copolymer, ethylene-（Methyl）Methyl acrylate has excellent Hot Tack strength, low envelope temperature and good
Good toughness, facilitates the melting extrusion of hot melt adhesive.Tackifier are natural material rosin, and main component is resin acid, can be with
With the main component resins ethylene-of hot melt adhesive（Methyl）Acrylic copolymer, ethylene-（Methyl）Methyl acrylate is mutually encompassing,
It is preferable to adherend surface wettability simultaneously, compared to hydrogenated rosin, newtrex and rosin glycerides etc., has preferably just
Viscous force and adhesion strength.Hot melt adhesive provided by the invention, with the carbon dioxide such as lined polymethyl ethylene carbonate and its modified material
Based polyalcohol has good compatibility, can effectively realize with its bonding and with excellent peel strength.
The present invention also provides a kind of method for preparing above-mentioned hot melt adhesive, the method includes the steps：
S100, by ethylene-（Methyl）Acrylic copolymer or ethylene-（Methyl）Methyl acrylate and rosin are according to mass fraction
It is mixed than putting into blender, obtains mixture；
Preferably, the blender revolving speed is set as 100-1000 rpm, mixing time is 10-60 s；
S200, by the mixture in screw extruder extruding pelletization.
Preferably, the screw extruder temperature is set as 120-190 DEG C, revolving speed is set as 50-300rpm.
It specifically, is by ethylene-（Methyl）Acrylic copolymer or ethylene-（Methyl）Methyl acrylate and rosin are pressed
According to set mass parts（Such as 70:30）It is added in blender, under the conditions of low whipping speed is 800 rpm, stirs 30s, mixed
Uniform mixture is closed, mixing speed, which is set as 800 rpm, can effectively prevent occurring a large amount of bubble in the mixture；Then will
For obtained mixture by double screw extruder extruding pelletization, extrusion temperature is 160 DEG C, and screw speed is 200 rpm.
Explanation is further explained to the present invention below by specific embodiment.
Embodiment 1
By 70 parts of ethylene-methacrylic acid copolymer, 30 parts of superfine rosin in high-speed mixer after mixing in twin-screw
In extruding pelletization, extrusion temperature is 160 DEG C, screw speed 200rpm, both obtains product hot melt adhesive.Then it is hot pressed into sheet material conduct
Hot melt adhesive bonds lined polymethyl ethylene carbonate（PPC）And polyethylene（PE）Sheet material, pressure are 1.25 g/cm2 .It selects simultaneously common
Hot melt adhesive ethene-vinyl acetate hot melt adhesive（EVA）, grafting property polyolefin（ADMER）And the PE of maleic anhydride grafting（PE-G-
MAH）Etc. comparing reference.
Peel strength is as shown in table 1（Batten is prepared according to GB/T 2791-1995 standard, by gained standard batten in 25
DEG C, 48 h are stood under the conditions of 50%RH, peel strength test is finally carried out on universal testing machine, wherein hot melt adhesive batten specification
It is 200 × 25 × 0.1mm for 200 × 25 × 0.05mm, PPC and PE）.
From table 1 it is known that compare common hot melt adhesive, the present invention to carbon dioxide-base barrier material PPC have compared with
Strong peel strength.
The different hot melt adhesive bonding situations of table 1（PE/ hot melt adhesive/PPC）
| Serial number | Hot melt adhesive | Peeling force (N) | Peel strength (KN/m) |
| 1 | Ethylene-methacrylic acid copolymer/30% rosin | 6.575 | 0.263 |
| 2 | ADMER | 0.000 | 0.000 |
| 3 | EVA | 0.035 | 0.001 |
| 4 | PE-G-MAH | 1.231 | 0.049 |
Embodiment 2
By 80 parts of ethylene-methacrylic acid copolymer, 20 parts of superfine rosin in high-speed mixer after mixing in twin-screw
In extruding pelletization, extrusion temperature is 170 DEG C, screw speed 200rpm, both obtains product hot melt adhesive.Then it is hot pressed into sheet material conduct
Hot melt adhesive bonding is poly-（Methyl ethylene carbonate-lactic acid）With the blend of ethylene-vinyl alcohol copolymer（PPCLA/EVOH）And it is poly-
Ethylene（PE）Sheet material, pressure 1.25g/cm2 .Common hot melt adhesive ethene-vinyl acetate hot melt adhesive is selected simultaneously（EVA）, grafting
Property polyolefin（ADMER）And the PE of maleic anhydride grafting（PE-G-MAH）Etc. comparing reference.Peel strength is as shown in table 2.
It is known that comparing common hot melt adhesive, the present invention is to carbon dioxide-base barrier material PPCLA/EVOH from table 2
With stronger peel strength.
The different hot melt adhesive bonding situations of table 2（PE/ hot melt adhesive/PPCLA-EVOH）
| Serial number | Hot melt adhesive | Peeling force (N) | Peel strength (KN/m) |
| 1 | Ethylene-methacrylic acid copolymer/30% rosin | 8.750 | 0.350 |
| 2 | ADMER | 0.000 | 0.000 |
| 3 | EVA | 0.000 | 0.000 |
| 4 | PE-G-MAH | 2.561 | 0.102 |
Embodiment 3
By 80 parts of ethylene-methacrylic acid copolymer, 20 parts of superfine rosin in high-speed mixer after mixing in twin-screw
In extruding pelletization, extrusion temperature is 170 DEG C, and screw speed is 200 rpm, both obtains product hot melt adhesive.Then it is hot pressed into sheet material work
Adherend is bonded for hot melt adhesive, wherein polyethylene（PE）Sheet material is upper layer of material, is gathered（Methyl ethylene carbonate-lactic acid）, ethylene-
The blend of ethenol copolymer and a small amount of ethylene-methyl acrylate is subsurface material, pressure 1.25g/cm2.Then it carries out
Peel strength test finds that PE and carbon dioxide-base barrier material have extremely strong peel strength, it is difficult to remove.
In conclusion compared with prior art, the present invention is with ethylene-（Methyl）Acrylic copolymer or ethylene-（First
Base）Methyl acrylate is the main component of hot melt adhesive, acrylic acid content 5%-20%, melt index 1.0-2.0g/
10min, and compared with other acrylic copolymers, there is better cohesive force and peel strength.Simultaneously with natural degradable
Superfine rosin be tackifier, it is more economic and environment-friendly.Compared to hydrogenated rosin, newtrex and rosin glycerides etc., in this hair
There is better Efficient Adhesive Promotion and holding power in bright.Importantly, itself and lined polymethyl ethylene carbonate（PPC）, poly- methyl second
Support carbonic ester-lactic acid（PPCLA）Equal carbon dioxide-bases polar material has good compatibility according to similar compatibility principle, can be with
It is effective to realize that peel strength is up to 0.25-0.55 KN/m with its bonding and with excellent peel strength.This is to dioxy
Changing the market application of carbon-based polymer and promoting has far-reaching significance.And its preparation process is simple, use temperature range is wide,
Good bond effect is all had at 120-200 DEG C.Other than initial bonding strength is strong, holding power is also more excellent, as heat
When melten gel realizes the bonding with adherend, peel strength does not have decline after product is placed one month at normal temperature.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (7)
1. a kind of hot melt adhesive, which is characterized in that include in parts by mass：70-90 parts ethylene-(methyl) methyl acrylate copoly
Object or ethylene-（Methyl）Methyl acrylate and 10-30 parts of rosin.
2. hot melt adhesive according to claim 1, which is characterized in that in parts by mass include 80 parts of ethylene-（Methyl）Third
Olefin(e) acid copolymer or ethylene-（Methyl）Methyl acrylate and 20 parts of rosin.
3. hot melt adhesive according to claim 1 to 2, which is characterized in that the ethylene-（Methyl）Acrylic copolymer
Or ethylene-（Methyl）Acrylic acid content is 5%-20% in methyl acrylate.
4. hot melt adhesive according to claim 1 to 2, which is characterized in that melt index 1.0-2.0g/10min.
5. a kind of preparation method of the hot melt adhesive as described in claim 1-4 is any, which is characterized in that including step：
By ethylene-（Methyl）Acrylic copolymer or ethylene-（Methyl）Methyl acrylate and rosin are put into according to mass parts ratio
It is mixed into blender, obtains mixture；
By the mixture in screw extruder extruding pelletization.
6. preparation method according to claim 5, which is characterized in that mixing time 10-60s.
7. preparation method according to claim 5, which is characterized in that the screw extruder temperature is set as 120-190 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613413.5A CN108893082A (en) | 2018-06-14 | 2018-06-14 | A kind of hot melt adhesive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810613413.5A CN108893082A (en) | 2018-06-14 | 2018-06-14 | A kind of hot melt adhesive and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108893082A true CN108893082A (en) | 2018-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810613413.5A Pending CN108893082A (en) | 2018-06-14 | 2018-06-14 | A kind of hot melt adhesive and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554127A (en) * | 2018-11-14 | 2019-04-02 | 东莞市润大胶粘科技有限公司 | Adhesive |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197474A (en) * | 1995-09-26 | 1998-10-28 | 阿托·芬德利公司 | Hot-melt pressure sensitive adhesive for hygiene applications |
| CN1687280A (en) * | 2005-06-03 | 2005-10-26 | 江苏工业学院 | New type hot-melt adhesive and preparation method thereof |
| CN1871321A (en) * | 2003-09-03 | 2006-11-29 | H.B.富勒许可和金融公司 | Composition and method relating to a hot melt adhesive |
| CN102174303A (en) * | 2011-02-14 | 2011-09-07 | 泰州五行消防水带有限公司 | Anticorrosion adhesive for rubber liner of fire hose and preparation method thereof |
| CN104371596A (en) * | 2014-12-09 | 2015-02-25 | 广州赛聚新材料有限公司 | EAA hot melt adhesive low in acyclic acid content and preparation method and application thereof |
-
2018
- 2018-06-14 CN CN201810613413.5A patent/CN108893082A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197474A (en) * | 1995-09-26 | 1998-10-28 | 阿托·芬德利公司 | Hot-melt pressure sensitive adhesive for hygiene applications |
| CN1871321A (en) * | 2003-09-03 | 2006-11-29 | H.B.富勒许可和金融公司 | Composition and method relating to a hot melt adhesive |
| CN1687280A (en) * | 2005-06-03 | 2005-10-26 | 江苏工业学院 | New type hot-melt adhesive and preparation method thereof |
| CN102174303A (en) * | 2011-02-14 | 2011-09-07 | 泰州五行消防水带有限公司 | Anticorrosion adhesive for rubber liner of fire hose and preparation method thereof |
| CN104371596A (en) * | 2014-12-09 | 2015-02-25 | 广州赛聚新材料有限公司 | EAA hot melt adhesive low in acyclic acid content and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109554127A (en) * | 2018-11-14 | 2019-04-02 | 东莞市润大胶粘科技有限公司 | Adhesive |
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Application publication date: 20181127 |
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