CN101717474A - Adhesive master batch used for preparing polypropylene hot melt adhesive and preparation method thereof - Google Patents
Adhesive master batch used for preparing polypropylene hot melt adhesive and preparation method thereof Download PDFInfo
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- CN101717474A CN101717474A CN200910194038A CN200910194038A CN101717474A CN 101717474 A CN101717474 A CN 101717474A CN 200910194038 A CN200910194038 A CN 200910194038A CN 200910194038 A CN200910194038 A CN 200910194038A CN 101717474 A CN101717474 A CN 101717474A
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Abstract
The invention discloses an adhesive master batch used for preparing a polypropylene hot melt adhesive and a preparation method thereof. The master batch comprises the following components in parts by weight: 70-90 parts of polypropylene, 10-30 parts of macromolecular wax, 1.5-5 parts of stem grafted monomer, 0.1-0.5 part of initiating agent, 1.5-5 parts of a second stem grafted monomer, and 0.1-0.5 part of donor atoms. The preparation method comprises the following steps of: dissolving the stem grafted monomer, the initiating agent, the second stem grafted monomer, and the donor atoms in an acetone solution, then adding into a high-speed mixer together with the polypropylene and the macromolecular wax and mixing uniformly, and blending for pelleting by a reactive double-screw extruder to obtain he adhesive master batch. In the invention, through an effective formulation of the adhesive master batch with the polypropylene and auxiliary agents, the polypropylene hot melt adhesive with high adhesive bonding performance can be obtained, and the maximum T type peel strength reach 130 N/25mm, which meets application requirements of the hot melt adhesive used for PP-R composite pipes.
Description
Technical field
The invention belongs to the macromolecule adhesive field, be particularly related to a kind of adhesive master batch and manufacture method thereof that is used to prepare polypropylene hot melt adhesive, particularly a kind of adhesive master batch and manufacture method thereof that is used to prepare polypropylene random copolymer composite tube usefulness hot melt adhesive.
Background technology
Atactic copolymerized polypropene (PP-R) multiple-unit tube is owing to have the advantage of common PP-R pipe and metal tube simultaneously concurrently, and development in recent years is swift and violent.This multiple-unit tube is mainly five-layer structure, i.e. PP-R/ hot melt adhesive/metal/hot melt adhesive/PP-R.Wherein the effect of hot melt adhesive is that nonpolar PP-R is in the same place with the polar metal sticking, and therefore, the performance of hot melt adhesive directly determines the quality of PP-R multiple-unit tube.At present, the PP-R multiple-unit tube is with the main dependence on import of hot melt adhesive, and domestic multiple-unit tube hot melt adhesive on the market all is to be matrix with the polyethylene basically, mainly is used on the PE multiple-unit tube, and this hot melt adhesive is used on the PP-R multiple-unit tube, and effect is all undesirable.Analyzing with hot melt adhesive by the PP-R multiple-unit tube to import, all is to be matrix with the polypropylene basically.At present, domestic also sophisticated without comparison polypropylene hot melt adhesive, relevant patent documentation also rarely has report.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art part, primary and foremost purpose of the present invention is to provide a kind of adhesive master batch that is used to prepare polypropylene hot melt adhesive.
Another object of the present invention is to provide the preparation method of above-mentioned adhesive master batch.
Purpose of the present invention is achieved through the following technical solutions: a kind of adhesive master batch that is used to prepare polypropylene hot melt adhesive, and this adhesive master batch is made up of following components by weight portions:
70～90 parts of polypropylene
10～30 parts of macromolecule wax
1.5～5 parts of grafted monomer
0.1～0.5 part of initiator
1.5～5 parts of second grafted monomer
0.1～0.5 part of electron donor
Described polypropylene is one or more of homo-polypropylene, Co-polypropylene or atactic copolymerized polypropene.
The melting index of described polypropylene under 230 ℃ of temperature condition and under the 2.16kg loading condiction is 0.1～50g/10min.
Described macromolecule wax is one or both in polyethylene wax and the Poly Propylene Wax.
The molecular weight of described macromolecule wax is 1000～3000.
Described grafted monomer is maleic anhydride (MAH), methyl methacrylate, methacrylic acid, vinylformic acid, acrylamide or glycidyl methacrylate (GMA), preferred maleic anhydride; Described initiator is one or more in dicumyl peroxide (DCP), benzoyl peroxide (BPO), di-t-butyl peroxide, tertbutyl peroxide and the isopropyl benzene hydroperoxide, is preferably dicumyl peroxide and benzoyl peroxide with 3: 1 composite gained of mass ratio; Described second grafted monomer is vinylbenzene, divinylbenzene, butylacetate or vinyl acetate, optimization styrene.
Described electron donor is one or more in hexanolactam (CALA), dimethyl formamide (DMF), N,N-DIMETHYLACETAMIDE (DMAC), dimethyl sulfoxide (DMSO) (DMSO) and the thioester.
The preparation method of above-mentioned adhesive master batch, comprise following operation steps: with grafted monomer, initiator, second grafted monomer and electron donor mixing, obtain mixture, be dissolved in then in the acetone soln of 0.5 times of mixture weight, join in the high-speed mixer with polypropylene and macromolecule wax again and mix, by reactive twin screw extruder blend granulation, obtain adhesive master batch.The temperature of described reactive twin screw extruder is set to 150～200 ℃, screw slenderness ratio L/D 〉=35: 1.
Know-why of the present invention is as follows: the reaction of initiator and matrix resin generates macromolecular radical, macromolecular radical again with grafted monomer generation graft reaction, change the polarity of matrix resin.
The relative prior art of the present invention, have following advantage and beneficial effect: added macromolecule wax in (1) component of the present invention, macromolecule wax belongs to oligopolymer, have the part Properties of Polymer concurrently, but simultaneously because molecular weight compares less, reactive behavior is big, easier and grafted monomer reaction, the percentage of grafting of raising adhesive master batch; (2) second grafted monomer and electron donor have been added in the component of the present invention, macromolecular radical is gone back degraded and crosslinked easily except graft reaction takes place, macromolecular radical can generate more stable free radical with the reaction of second grafted monomer, reduce degraded, improve percentage of grafting; Electron donor then can effectively stop the macromole end of the chain, suppresses crosslinked; (3) adhesive master batch of the present invention can be applicable to prepare polypropylene hot melt adhesive, is preferably applied to prepare the polypropylene random copolymer composite tube hot melt adhesive.Effectively composite by with acrylic resin and auxiliary agent; can obtain having the polypropylene hot melt adhesive of high adhesion energy; T type stripping strength maximum can reach more than the 130N/25mm; meet of the service requirements of PP-R multiple-unit tube, promoted of production domesticization and the mass-producing of PP-R multiple-unit tube with hot melt adhesive with hot melt adhesive.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited thereto.
Embodiment 1
Maleic anhydride (grafted monomer) 2 weight parts, dicumyl peroxide and benzoyl peroxide are dissolved in the acetone soln of 2 weight parts with mass ratio 3: 1 composite dose of (initiator) 0.2 weight parts, vinylbenzene (second grafted monomer) 2 weight parts and hexanolactam (electron donor) 0.2 weight parts; Be that 1000 polyethylene wax (macromolecule wax) 20 weight parts join in the high-speed mixer with homo-polypropylene (melting index under 230 ℃ of temperature condition and under the 2.16kg loading condiction is 20g/10min) 80 weight parts and molecular weight then, mix; By reactive twin screw extruder (processing temperature of twin screw extruder is 150～200 ℃) extruding pelletization, obtain adhesive master batch.
Embodiment 2
Maleic anhydride (grafted monomer) 4 weight parts, dicumyl peroxide and benzoyl peroxide are dissolved in the acetone soln of 3 weight parts with mass ratio 3: 1 composite dose of (initiator) 0.2 weight parts, vinylbenzene (second grafted monomer) 2 weight parts and dimethyl formamide (electron donor) 0.2 weight parts; The polymkeric substance that adds homo-polypropylene/atactic copolymerized polypropene=50/20 is (under 230 ℃ of temperature condition and under the 2.16kg loading condiction, the melting index of homo-polypropylene is 50g/10min, the melting index of atactic copolymerized polypropene is 0.2g/10min) 70 weight parts and molecular weight be 2000 polyethylene wax (macromolecule wax) 30 weight parts, mix; By reactive twin screw extruder (processing temperature of twin screw extruder is 150～200 ℃) extruding pelletization, obtain adhesive master batch.
Embodiment 3
Maleic anhydride (grafted monomer) 4 weight parts, dicumyl peroxide and benzoyl peroxide are dissolved in the 3 weight part acetone solns with mass ratio 3: 1 composite dose of (initiator) 0.4 weight parts, vinylbenzene (second grafted monomer) 2 weight parts and hexanolactam (electron donor) 0.3 weight parts; Then with the polymkeric substance of homo-polypropylene/atactic copolymerized polypropene=30/40 (under 230 ℃ of temperature condition and under the 2.16kg loading condiction, the melting index of homo-polypropylene is 50g/10min, the melting index of atactic copolymerized polypropene is 0.2g/10min) 70 weight parts and molecular weight be that 2000 Poly Propylene Wax (macromolecule wax) 30 weight parts join in the high-speed mixer together, mix; By reactive twin screw extruder (processing temperature of twin screw extruder is 150～200 ℃) extruding pelletization, obtain adhesive master batch.
Embodiment 4
The adhesive master batch that embodiment 1～3 is obtained carries out the test of melt index and percentage of grafting, and carries out the composite polypropylene thermal melten gel that obtains with polypropylene and auxiliary agent respectively, the T type stripping strength of test gained polypropylene thermal melten gel, test result such as table 1.
The test result of table 1 embodiment 1～3 gained adhesive master batch
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. adhesive master batch that is used to prepare the polypropylene thermal melten gel, it is characterized in that: this adhesive master batch is made up of following components by weight portions:
70～90 parts of polypropylene
10～30 parts of macromolecule wax
1.5～5 parts of grafted monomer
0.1～0.5 part of initiator
1.5～5 parts of second grafted monomer
0.1～0.5 part of electron donor.
2. a kind of adhesive master batch that is used to prepare the polypropylene thermal melten gel according to claim 1 is characterized in that: described polypropylene is one or more of homo-polypropylene, Co-polypropylene or atactic copolymerized polypropene.
3. a kind of adhesive master batch that is used to prepare the polypropylene thermal melten gel according to claim 1 is characterized in that: the melting index of described polypropylene under 230 ℃ of temperature condition and under the 2.16kg loading condiction is 0.1～50g/10min.
4. a kind of adhesive master batch that is used to prepare the polypropylene thermal melten gel according to claim 1 is characterized in that: described macromolecule wax is one or both in polyethylene wax and the Poly Propylene Wax.
5. according to claim 1 or 4 described a kind of adhesive master batch that are used to prepare the polypropylene thermal melten gel, it is characterized in that: the molecular weight of described macromolecule wax is 1000～3000.
6. a kind of adhesive master batch that is used to prepare the polypropylene thermal melten gel according to claim 1 is characterized in that: described grafted monomer is maleic anhydride, methyl methacrylate, methacrylic acid, vinylformic acid, acrylamide or glycidyl methacrylate; Described initiator is one or more in dicumyl peroxide, benzoyl peroxide, di-t-butyl peroxide, tertbutyl peroxide and the isopropyl benzene hydroperoxide; Described second grafted monomer is vinylbenzene, divinylbenzene, butylacetate or vinyl acetate.
7. according to claim 1 or 6 described a kind of adhesive master batch that are used to prepare the polypropylene thermal melten gel, it is characterized in that: described grafted monomer is a maleic anhydride; Described initiator is that dicumyl peroxide and benzoyl peroxide are with 3: 1 composite gained of mass ratio; Described second grafted monomer is a vinylbenzene.
8. a kind of adhesive master batch that is used to prepare the polypropylene thermal melten gel according to claim 1 is characterized in that: described electron donor is one or more in hexanolactam, dimethyl formamide, N,N-DIMETHYLACETAMIDE, dimethyl sulfoxide (DMSO) and the thioester.
9. a kind of preparation method who is used to prepare the adhesive master batch of polypropylene thermal melten gel according to claim 1, it is characterized in that comprising following operation steps: with grafted monomer, initiator, second grafted monomer and electron donor mixing, obtain mixture, be dissolved in then in the acetone soln of 0.5 times of mixture weight, join in the high-speed mixer with polypropylene and macromolecule wax again and mix, by reactive twin screw extruder blend granulation, obtain adhesive master batch.
10. preparation method according to claim 9 is characterized in that: the temperature of described reactive twin screw extruder is set to 150～200 ℃, screw slenderness ratio L/D 〉=35: 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101940386A CN101717474B (en) | 2009-11-20 | 2009-11-20 | Adhesive master batch used for preparing polypropylene hot melt adhesive and preparation method thereof |
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| CN2009101940386A CN101717474B (en) | 2009-11-20 | 2009-11-20 | Adhesive master batch used for preparing polypropylene hot melt adhesive and preparation method thereof |
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| CN101717474A true CN101717474A (en) | 2010-06-02 |
| CN101717474B CN101717474B (en) | 2012-02-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617801A (en) * | 2012-03-23 | 2012-08-01 | 哈尔滨隆华艺达包装制品有限公司 | Dimonosomic grafting master batch compatibilizer and preparation method thereof |
| CN104497930A (en) * | 2014-12-10 | 2015-04-08 | 上海邦中高分子材料有限公司 | Adhesive resin for reinforcing PPR aluminum plastic steady-state tube |
| CN109439240A (en) * | 2018-11-17 | 2019-03-08 | 金丽丹 | A kind of preparation method of heat resistant type PP hot melt adhesive |
| CN117095856A (en) * | 2023-03-15 | 2023-11-21 | 特变电工山东鲁能泰山电缆有限公司 | High-voltage cable preparation method, production line and high-voltage cable |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1230554A (en) * | 1999-04-02 | 1999-10-06 | 清华大学 | Preparation of modified high-polar polypropylene material by grafting maleic anhydride |
| JP2005509688A (en) * | 2001-05-06 | 2005-04-14 | ハネウェル・インターナショナル・インコーポレーテッド | Maleated polypropylene and process for its preparation |
| CN101423733B (en) * | 2008-11-18 | 2011-04-13 | 广州鹿山新材料股份有限公司 | Method for preparing transparent hot melt adhesive for PP-R plastic-aluminum steady state tube |
-
2009
- 2009-11-20 CN CN2009101940386A patent/CN101717474B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617801A (en) * | 2012-03-23 | 2012-08-01 | 哈尔滨隆华艺达包装制品有限公司 | Dimonosomic grafting master batch compatibilizer and preparation method thereof |
| CN104497930A (en) * | 2014-12-10 | 2015-04-08 | 上海邦中高分子材料有限公司 | Adhesive resin for reinforcing PPR aluminum plastic steady-state tube |
| CN104497930B (en) * | 2014-12-10 | 2016-08-24 | 上海邦中高分子材料有限公司 | A kind of binding resin for strengthening PPR plastic-aluminum steady state pipe |
| CN109439240A (en) * | 2018-11-17 | 2019-03-08 | 金丽丹 | A kind of preparation method of heat resistant type PP hot melt adhesive |
| CN117095856A (en) * | 2023-03-15 | 2023-11-21 | 特变电工山东鲁能泰山电缆有限公司 | High-voltage cable preparation method, production line and high-voltage cable |
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| CN101717474B (en) | 2012-02-15 |
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Address after: 510530 Guangdong city of Guangzhou province Tianhe District Zhujiang Road No. 17 Guangsheng International Building 603-604 Patentee after: Hecheng Technology Co.,Ltd. Address before: Cloud Chenglu Luogang District YUNPU Industrial District of Guangzhou City, Guangdong province 515300 No. 8 Patentee before: GUANGZHOU HONSEA CHEMISTRY Co.,Ltd. |
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