CN104371597A - Preparation method of polypropylene type bonding resin for multi-layer coextrusion barrier packaging - Google Patents
Preparation method of polypropylene type bonding resin for multi-layer coextrusion barrier packaging Download PDFInfo
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- CN104371597A CN104371597A CN201410718722.0A CN201410718722A CN104371597A CN 104371597 A CN104371597 A CN 104371597A CN 201410718722 A CN201410718722 A CN 201410718722A CN 104371597 A CN104371597 A CN 104371597A
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- adhering resin
- polypropylene
- barrier package
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 79
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 79
- -1 polypropylene Polymers 0.000 title claims abstract description 50
- 230000004888 barrier function Effects 0.000 title claims abstract description 37
- 239000011347 resin Substances 0.000 title claims abstract description 34
- 229920005989 resin Polymers 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 title abstract description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 13
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 10
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 229920006132 styrene block copolymer Polymers 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000005516 engineering process Methods 0.000 claims description 13
- 238000007306 functionalization reaction Methods 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 4
- OKIRBHVFJGXOIS-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene Chemical compound CC(C)C1=CC=CC=C1C(C)C OKIRBHVFJGXOIS-UHFFFAOYSA-N 0.000 claims description 2
- 101000648997 Homo sapiens Tripartite motif-containing protein 44 Proteins 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 102100028017 Tripartite motif-containing protein 44 Human genes 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- 239000003999 initiator Substances 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 229920002742 polystyrene-block-poly(ethylene/propylene) -block-polystyrene Polymers 0.000 claims description 2
- 229920005653 propylene-ethylene copolymer Polymers 0.000 claims description 2
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims description 2
- 229920005604 random copolymer Polymers 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 abstract description 6
- 239000004715 ethylene vinyl alcohol Substances 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000012785 packaging film Substances 0.000 abstract description 2
- 229920006280 packaging film Polymers 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229920005630 polypropylene random copolymer Polymers 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 49
- 230000001070 adhesive effect Effects 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000032798 delamination Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- 235000004348 Perilla frutescens Nutrition 0.000 description 2
- 244000124853 Perilla frutescens Species 0.000 description 2
- 238000010096 film blowing Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920002633 Kraton (polymer) Polymers 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 229920006300 shrink film Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Abstract
The invention discloses a preparation method of polypropylene type bonding resin for multi-layer coextrusion barrier packaging. The raw materials include (by weight percent) 50% to 80% of polypropylene random copolymer, 10% to 30% of functionalized modified atactic polypropylene, 10% to 30% of propylene based elastomer, 1% to 10% of styrene block copolymer and 0.01% to 1% of thermal oxygen stabilizer. The resin is obtained in extruded and granulated manners through a double screw extruder by the plasticating and blending process. The bonding resin is applied to the bonding layers of polypropylene (PP) / Niron (PA) or polypropylene (PP) / ethylene vinyl alcohol copolymer (EVOH) multi-layer coextrusion barrier packaging films (pieces), the processing performance is fine, the transparency is high, thermal resistance is fine, fisheye is few, the bonding performance is excellent, and a good bonding layer material is provided in the field of polypropylene type multi-layer coextrusion barrier packaging.
Description
Technical field
The invention belongs to polymer-function material field, relate to hot melt adhesive technical field, in particular to a kind of preparation method of multi-layer co-extruded barrier package polypropylene adhering resin, be mainly used as the adhesive linkage of polypropylene (PP)/nylon (PA) or the multi-layer co-extruded barrier package film (sheet) of polypropylene (PP)/ethylene-vinyl alcohol copolymer (EVOH).
Background technology
In recent years, the ratio that Plastic Packaging Materials replaces conventional packaging material is growing at top speed always, and the functional plastic wrapping material of the high added value being representative with multi-layer co-extruded barrier function film (sheet) more and more receive the favor of packaging industry and food service industry.
Multi-layer co-extruded technology refers to and directly adopts the plastic pellet (or powder) of more than three kinds as raw material, after making often kind of plastics fusion plastification respectively by several forcing machines, to enter in same mouth mould (or pass through divider, for entrance mould after the plastics that each forcing machine supplies are converged), then further processing treatment is passed through, obtained multi-layer compound film.At present, the two kinds of typical processs manufacturing multi-layer co-extruded obstruct composite membrane are respectively Multi-layer co-extrusion film-blowing and multi-layer co-extruded curtain coating.
Multi-layer co-extruded technology effective make use of characteristic and the mutual supplement with each other's advantages of differing materials, substantially improves the properties of goods, as performances such as intercepting, seal, be corrosion-resistant, high temperature resistant, low temperature resistant, antibacterial, nontoxic, fresh-keeping.Current PP TYPE is mainly for the production of fields such as barrier packaging film, shrink film, hollow preservative film, geomembrane, infusion bag.
The structure of PP TYPE can be divided two large classes: symmetrical structure (i.e. A/B/A) and unsymmetric structure (i.e. A/B/C).Current China PP TYPE with three layers and five layers of symmetrical structure in the majority.Here for five-layer co-squeezing film, its structure is described, typical five-layer co-squeezing film is ABCBA structure, i.e. supporting layer/adhesive linkage/barrier layer/adhesive linkage/supporting layer.Wherein, exemplary support layer is PP or PE, and barrier layer is PA or EVOH or PVDC, and adhesive linkage selects polypropylene adhering resin (supporting layer is PP) or polyethylene adhering resin (supporting layer is PE).By support layer material kind, polypropylene PP TYPE and polyethylene PP TYPE often can be divided into.
Bonding is a gordian technique in multi-layer co-extruded technology, so the adhesive linkage material (i.e. adhering resin) in its structure seems particularly important.When bonding strength is inadequate, when producing in multi-layer co-extruded membrane process or by vacuumizing stretch package, co-extrusion film just there will be delamination, has a strong impact on quality product and productivity effect.At present, when use polypropylene PP TYPE or polyethylene PP TYPE are packed and are had commodity (as pig's feet, beefsteak and the electric PC board etc.) of corner angle, often there is delamination in its angular edge place when by vacuumizing stretching process, the bonding strength of angular edge place adhering resin is described when vacuumizing stretching because the tensile stress of interlayer and strain facies are to excessive and cause degradation or forfeiture, therefore, the polypropylene adhering resin used in prior art and polyethylene adhering resin are had higher requirement.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, the object of the present invention is to provide a kind of multi-layer co-extruded barrier package polypropylene adhering resin, its processing characteristics is excellent, transparency is high, good heat resistance, brilliant point are few, especially adhesiveproperties is excellent, for the multi-layer co-extruded barrier package field of polypropylene provides a kind of well adhesive linkage material.
Another object of the present invention is to the preparation method that above-mentioned multi-layer co-extruded barrier package polypropylene adhering resin is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
For a polypropylene adhering resin for multi-layer co-extruded barrier package, its composition of raw materials comprises (being weight percentage below): 50%-80% atactic copolymerized polypropene, 10%-30% functionalization and modification atactic copolymerized polypropene, 10%-30% propylene-based elastomeric, 1%-10% styrene block copolymer, 0.01%-1% thermal oxidation stabilizer.
Further, the above-mentioned polypropylene adhering resin for multi-layer co-extruded barrier package, its composition of raw materials comprises (being weight percentage below): 55%-70% atactic copolymerized polypropene, 15%-25% functionalization and modification atactic copolymerized polypropene, 10%-20% propylene-based elastomeric, 1%-5% styrene block copolymer, 0.05%-0.5% thermal oxidation stabilizer.
A kind of preparation method of the polypropylene adhering resin for multi-layer co-extruded barrier package is by each component of above-mentioned raw materials formula according to the above ratio, adopts twin screw extruder to implement plasticizing blending technology extruding pelletization.
By technique scheme, the invention has the beneficial effects as follows:
Multi-layer co-extruded barrier package polypropylene adhering resin of the present invention, its processing characteristics is excellent, transparency is high, good heat resistance, brilliant point is few, especially adhesiveproperties is excellent, with barrier layer (EVOH or PA), supporting layer is the high and lasting stability of polypropylene (PP) bonding strength, Multi-layer co-extrusion film-blowing or multi-layer co-extruded casting technique technology can be adopted to obtain polypropylene PP TYPE using polypropylene as supporting layer, for the multi-layer co-extruded barrier package field of polypropylene provides a kind of well adhesive linkage material, solve and use polypropylene PP TYPE packaging to have the commodity of corner angle in the delamination problems vacuumizing the rear angular edge place existence that stretches, significantly improve quality product and productivity effect.
Embodiment
Below by specific embodiment, the present invention is described in further detail, but the present invention is not limited to following embodiment.
Multi-layer co-extruded barrier package polypropylene adhering resin of the present invention, its composition of raw materials comprises (being weight percentage below): 50%-80% atactic copolymerized polypropene, 10%-30% functionalization and modification atactic copolymerized polypropene, 10%-30% propylene-based elastomeric, 1%-10% styrene block copolymer, 0.01%-1% thermal oxidation stabilizer.
The preparation method of the polypropylene adhering resin of above-mentioned multi-layer co-extruded barrier package is by each component of above-mentioned raw materials formula according to the above ratio, adopts twin screw extruder to implement plasticizing blending technology extruding pelletization.
Above-mentioned atactic copolymerized polypropene is the multipolymer of propylene and a-alkene, and density is 0.88-0.92g/cm
3, melting index is 3-15g/10min.
Above-mentioned functionalization and modification atactic copolymerized polypropene is take maleic anhydride as functional graft's modified monomer, to be oxidized diisopropylbenzene(DIPB) or 2,5-dimethyl-2, two (tert-butyl peroxide) hexane of 5-is initiator, adopt twin screw extruder enforcement reactive extrusion technology to prepare, its percentage of grafting counts 0.6%-1.3% in mass ratio.
Aforesaid propylene based elastomeric is propylene-ethylene copolymers, and in its component, propylene monomer content is large, and density is 0.85-0.90g/cm
3.
Above-mentioned styrene block copolymer is SEBS or SEPS, and the relevant series product of (Kraton) or Kuraray (Kuraray) company are risen by such as section of the U.S..
Above-mentioned thermal oxidation stabilizer is hindered phenol type pentaerythritol esters.
Above-mentioned twin screw extruder length-to-diameter ratio L:D >=40:1, extrudes processing temperature scope 150-230 DEG C.
Embodiment 1
The composition of raw materials of multi-layer co-extruded barrier package polypropylene adhering resin composition (following proportioning be weight percentage content) is as follows:
69% atactic copolymerized polypropene
15% functionalization and modification atactic copolymerized polypropene
13% propylene-based elastomeric
3% styrene block copolymer
0.08% thermal oxidation stabilizer
Above-mentioned each component adopted twin screw extruder to implement plasticizing blending technology extruding pelletization, the length-to-diameter ratio L/D=40:1 of forcing machine, processing temperature is 150-230 DEG C, obtained multi-layer co-extruded barrier package polypropylene adhering resin of the present invention.
Embodiment 2
The composition of raw materials of multi-layer co-extruded barrier package polypropylene adhering resin composition (following proportioning be weight percentage content) is as follows:
65% atactic copolymerized polypropene
18% functionalization and modification atactic copolymerized polypropene
15% propylene-based elastomeric
2% styrene block copolymer
0.1% thermal oxidation stabilizer
Above-mentioned each component adopted twin screw extruder to implement plasticizing blending technology extruding pelletization, the length-to-diameter ratio L/D=40:1 of forcing machine, processing temperature is 150-230 DEG C, obtained multi-layer co-extruded barrier package polypropylene adhering resin of the present invention.
Embodiment 3
The composition of raw materials of multi-layer co-extruded barrier package polypropylene adhering resin composition (following proportioning be weight percentage content) is as follows:
60% atactic copolymerized polypropene
20% functionalization and modification atactic copolymerized polypropene
18% propylene-based elastomeric
2% styrene block copolymer
0.12% thermal oxidation stabilizer
Above-mentioned each component adopted twin screw extruder to implement plasticizing blending technology extruding pelletization, the length-to-diameter ratio L/D=40:1 of forcing machine, processing temperature is 150-230 DEG C, obtained multi-layer co-extruded barrier package polypropylene adhering resin of the present invention.
By the product forming polypropylene type five-layer co-squeezing film 1 of embodiment 1, the shaping five-layer co-squeezing film 2 of product of embodiment 2, the shaping five-layer co-squeezing film 3 of product of embodiment 3, carries out transparency to three kinds of co-extrusion films respectively, crystalline substance is counted, the T-shaped stripping strength of interlayer and have its angular edge place of commodity delamination of corner angle to detect by vacuumizing stretch package.Acquired results is as shown in table 1.
The performance test results of table 1. three kinds of co-extrusion films
Note: the corner angle commodity 1 that have of table 1 refer to beefsteak, have corner angle commodity 2 to refer to electric PC board.
As can be seen from Table 1, adhering resin provided by the invention may be used for the adhesive linkage of the multi-layer co-extruded separated packaging material of polypropylene, this adhering resin has that processing characteristics is excellent, transparency is high, good heat resistance, brilliant point are few, especially adhesiveproperties is excellent, solve and use polypropylene PP TYPE packaging to have the commodity of corner angle in the delamination problems vacuumizing the rear angular edge place existence that stretches, significantly improve quality product and productivity effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a multi-layer co-extruded barrier package polypropylene adhering resin, its formula counts by weight percentage and comprises following component:
。
2. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1, is characterized in that: above-mentioned formula counts by weight percentage and comprises following component:
。
3. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1 and 2, it is characterized in that: above-mentioned atactic copolymerized polypropene is the random copolymers of propylene and a-alkene, density is 0.88-0.92g/cm
3, melting index is 3-15g/10min.
4. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1 and 2, it is characterized in that: above-mentioned functionalization and modification atactic copolymerized polypropene is take maleic anhydride as functional graft's modified monomer, to be oxidized diisopropylbenzene(DIPB) or 2,5-dimethyl-2, two (tert-butyl peroxide) hexane of 5-is initiator, adopt twin screw extruder enforcement reactive extrusion technology to prepare, its percentage of grafting counts 0.6%-1.3% in mass ratio.
5. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1 and 2, is characterized in that: aforesaid propylene based elastomeric is propylene-ethylene copolymers, and in its component, propylene monomer content is large, and density is 0.85-0.90g/cm
3.
6. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1 and 2, is characterized in that: above-mentioned styrene block copolymer is SEBS or SEPS.
7. multi-layer co-extruded barrier package polypropylene adhering resin according to claim 1 and 2, is characterized in that: above-mentioned thermal oxidation stabilizer is hindered phenol type pentaerythritol esters.
8. a preparation method for above-mentioned multi-layer co-extruded barrier package polypropylene adhering resin, is characterized in that: adopt twin screw extruder to implement plasticizing blending technology extruding pelletization.
9. the preparation method of multi-layer co-extruded barrier package polypropylene adhering resin according to claim 8, is characterized in that: the length-to-diameter ratio L:D >=40:1 of above-mentioned twin screw extruder, extrudes processing temperature scope 150-230 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410718722.0A CN104371597B (en) | 2014-12-02 | 2014-12-02 | A kind of preparation method of multi-layer co-extruded barrier package polypropylene adhering resin |
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|---|---|---|---|
| CN201410718722.0A CN104371597B (en) | 2014-12-02 | 2014-12-02 | A kind of preparation method of multi-layer co-extruded barrier package polypropylene adhering resin |
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Cited By (8)
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| CN105109830A (en) * | 2015-08-11 | 2015-12-02 | 福建农林大学 | Packaging method for adult monochamus alternatus attractant lure core |
| CN105567135A (en) * | 2015-12-31 | 2016-05-11 | 广州鹿山新材料股份有限公司 | Polypropylene adhesive powder for anticorrosion pipelines and preparation method thereof |
| CN107033810A (en) * | 2017-06-05 | 2017-08-11 | 厦门内加湖新材料科技有限公司 | Adhesive alpha-olefin inter |
| CN109796912A (en) * | 2018-12-27 | 2019-05-24 | 广州鹿山新材料股份有限公司 | A kind of modified polypropene hot melt adhesive and preparation method thereof |
| CN111117524A (en) * | 2019-12-30 | 2020-05-08 | 河源市普立隆新材料科技有限公司 | Adhesive resin for aluminum ceiling |
| CN112126364A (en) * | 2020-09-21 | 2020-12-25 | 广东东立新材料科技股份有限公司 | Adhesive layer composition, self-adhesive film and application thereof |
| CN114032049A (en) * | 2021-11-30 | 2022-02-11 | 合诚技术股份有限公司 | Hot melt adhesive for high-performance polypropylene barrier film and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7067585B2 (en) * | 2002-10-28 | 2006-06-27 | Bostik, Inc. | Hot melt adhesive composition based on a random copolymer of isotactic polypropylene |
| CN103205228B (en) * | 2013-03-19 | 2015-11-11 | 广州鹿山新材料股份有限公司 | A kind of preparation method of hot-melt adhesive for multilayer oxygen-resistance pipe |
| CN103232825A (en) * | 2013-04-09 | 2013-08-07 | 顺德职业技术学院 | Elastomer-based hot-melt adhesive and preparation method thereof |
| CN103756595B (en) * | 2013-12-31 | 2015-11-04 | 广州鹿山新材料股份有限公司 | A kind of adhering resin for multi-layer co-extruded barrier package and the barrier structure made of it |
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| CN105109830A (en) * | 2015-08-11 | 2015-12-02 | 福建农林大学 | Packaging method for adult monochamus alternatus attractant lure core |
| CN105567135A (en) * | 2015-12-31 | 2016-05-11 | 广州鹿山新材料股份有限公司 | Polypropylene adhesive powder for anticorrosion pipelines and preparation method thereof |
| CN107033810A (en) * | 2017-06-05 | 2017-08-11 | 厦门内加湖新材料科技有限公司 | Adhesive alpha-olefin inter |
| CN109796912A (en) * | 2018-12-27 | 2019-05-24 | 广州鹿山新材料股份有限公司 | A kind of modified polypropene hot melt adhesive and preparation method thereof |
| CN109796912B (en) * | 2018-12-27 | 2022-03-11 | 广州鹿山新材料股份有限公司 | Modified polypropylene hot melt adhesive and preparation method thereof |
| CN111117524A (en) * | 2019-12-30 | 2020-05-08 | 河源市普立隆新材料科技有限公司 | Adhesive resin for aluminum ceiling |
| CN112126364A (en) * | 2020-09-21 | 2020-12-25 | 广东东立新材料科技股份有限公司 | Adhesive layer composition, self-adhesive film and application thereof |
| CN114045127A (en) * | 2021-11-24 | 2022-02-15 | 合诚技术股份有限公司 | Adhesive resin for soft package lithium ion battery aluminum plastic film and preparation method and application thereof |
| CN114032049A (en) * | 2021-11-30 | 2022-02-11 | 合诚技术股份有限公司 | Hot melt adhesive for high-performance polypropylene barrier film and preparation method and application thereof |
| CN114032049B (en) * | 2021-11-30 | 2022-09-16 | 合诚技术股份有限公司 | Hot melt adhesive for high-performance polypropylene barrier film and preparation method and application thereof |
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|---|---|
| CN104371597B (en) | 2017-11-07 |
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