CN101857697A - Blended modified chlorinated polypropylene and preparation method thereof - Google Patents
Blended modified chlorinated polypropylene and preparation method thereof Download PDFInfo
- Publication number
- CN101857697A CN101857697A CN201010216118A CN201010216118A CN101857697A CN 101857697 A CN101857697 A CN 101857697A CN 201010216118 A CN201010216118 A CN 201010216118A CN 201010216118 A CN201010216118 A CN 201010216118A CN 101857697 A CN101857697 A CN 101857697A
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- CN
- China
- Prior art keywords
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- chlorinated polypropylene
- modified chlorinated
- elastic polyester
- blended modified
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides blended modified chlorinated polypropylene and a preparation method thereof. The blended modified chlorinated polypropylene comprises the following components in parts by weight: 65-80 parts of chlorinated polypropylene, 5-8 parts of EVA (Ethylene Vinyl Acetate), 20-25 parts of toughening masterbatch, 1-3 parts of cross-linking agents and 0.1-0.5 parts of antioxidants, wherein the toughening masterbatch is the mixture of 100 parts by weight of ethylene-propylene diene monomers, 10-20 parts by weight of thermoplastic elastic polyester and 30-40 parts by weight of inorganic reinforcing agents. Products prepared from the blended modified chlorinated polypropylene have the advantages of good unification of toughness and rigidity and better size stability and can meet the requirement of relevant fields, such as the production field of electrical appliance elements.
Description
Technical field
The present invention relates to a kind of modified chlorinated polypropylene and preparation method thereof.
Background technology
Unmodified Chlorinated Polypropylene III material environmental stress crack resistance is poor, not only under surrounding medium, be easy to brittle cracking, and shrinking percentage is big, therefore, adopt the finished product of this material preparation, toughness and rigidity can not well be unified, cause the dimensional stability of product relatively poor, can not satisfy relevant field,, must improve as the needs of electrical equipment original paper production field.
Summary of the invention
The objective of the invention is Chlorinated Polypropylene III that discloses a kind of blending and modifying and preparation method thereof, to overcome the above-mentioned defective that prior art exists.
The present invention selects to add part elastomerics and inorganic strengthening agent according to the weakness of Chlorinated Polypropylene III, and Chlorinated Polypropylene III is carried out modification, to improve the stress crack resistance performance of material, has increased the snappiness and the processibility of material simultaneously
The component of the Chlorinated Polypropylene III of blending and modifying of the present invention and parts by weight ratio comprise:
65～80 parts of Chlorinated Polypropylene IIIs
0.5～2 part of Methyl stannum mercaptide
5～8 parts of EVA
20～25 parts of plasticizing mother particles
1～3 part of coupling agent
0.1～0.5 part in oxidation inhibitor
The molecular weight of described Chlorinated Polypropylene III is 300,000～400,000, can adopt the product of ShanghaiChlorine and Alkali Chemical Co Ltd, and the weight content of chlorine is 30～35%.
Said Methyl stannum mercaptide can adopt the T190A of Arkema.
The chemical name of said EVA is a vinyl-acetic ester, the adding of EVA, and one side has been improved the interface property of material, makes each component of material have good consistency; Increase the toughness of material on the other hand, reduced the shrinking percentage of material.Make material have dimensional stability preferably; Can adopt the product of SUMITOMO CHEMICAL company;
Said plasticizing mother particle is the mixture of terpolymer EP rubber, thermoplastic elastic polyester and inorganic strengthening agent, and parts by weight are:
100 parts of terpolymer EP rubbers
10～20 parts of thermoplastic elastic polyester
30～40 parts of inorganic strengthening agents
Described thermoplastic elastic polyester is that polybutylene terephthalate (PBT) is soft section linear block copolymers for hard section and aliphatic polyether, the weight percentage content of each molecule segment is respectively: hard segment accounts for 70%～80%, and soft chain segment accounts for 20%～30%;
Preferably, described thermoplastic elastic polyester for the polybutylene terephthalate be hard section and polyoxyethylene enediol be soft section elastic polyester, polybutylene terephthalate for hard section and polyoxypropyleneglycol be soft section elastic polyester or with the polybutylene terephthalate be firmly section and polytetrahydrofuran diol be a kind of in soft section the elastic polyester;
Described thermoplastic elastic polyester can adopt the product of LG chemical company;
Said inorganic strengthening agent can be a kind of in lime carbonate or the talcum powder;
Said coupling agent is a titanate coupling agent;
Described oxidation inhibitor can be selected antioxidant 1010 for use, and its chemical name is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, or oxidation inhibitor 168, and its chemical name is three (2.4-di-tert-butyl-phenyl) phosphorous acid ester.
The preparation method of the Chlorinated Polypropylene III of described blending and modifying comprises the steps:
Proportionally, in screw extrusion press, blend is extruded with each component, and blending temperature is 190 ℃-220 ℃, promptly obtains product.
Adopt the product of the Chlorinated Polypropylene III preparation of blending and modifying of the present invention, toughness and rigidity can well be unified, and the dimensional stability of product is better, can satisfy relevant field, as the needs of electrical equipment original paper production field.
Embodiment
Embodiment 1
Prescription:
65 parts of Chlorinated Polypropylene IIIs
0.5～2 part of Methyl stannum mercaptide
8 parts of EVA
25 parts of plasticizing mother particles
1 part of coupling agent
0.1 part of antioxidant 1010
The molecular-weight average 320,000 of Chlorinated Polypropylene III; The weight content of chlorine is 30%.
In the plasticizing mother particle, parts by weight are:
100 parts of terpolymer EP rubbers
20 parts of thermoplastic elastic polyester
40 parts of talcum powder
The thermoplastic elastic polyester is for being that hard section and polyoxyethylene enediol are soft section elastic polyester with the polybutylene terephthalate, and hard segment accounts for 70%, and soft chain segment accounts for 30%;
Coupling agent selects titanate coupling agent.
Manufacturing process:
The preparation of plasticizing mother particle: in screw extrusion press, blend is extruded with elastomerics and inorganic strengthening agent, and blending temperature is 220 ℃, promptly obtains plasticizing mother particle.
Proportionally, in screw extrusion press, blend is extruded with each component, and blending temperature is 190 ℃, promptly obtains product.
Adopt the ASTM standard testing, test result:
Melting index (MFR) 3g/10min
Tensile strength 〉=36MPa
Elongation at break 〉=140%
Flexural strength 〉=20MPa
Modulus in flexure 〉=750MPa
Simply supported beam notched Izod impact strength 〉=45KJ/m
2
Simply supported beam unnotched impact strength 13JNB.
Embodiment 2
80 parts of Chlorinated Polypropylene IIIs
5 parts of EVA
20 parts of plasticizing mother particles
3 parts of coupling agents
0.5 part of antioxidant 1010
The molecular-weight average 350,000 of Chlorinated Polypropylene III; The weight content of chlorine is 35%.
In the plasticizing mother particle, parts by weight are:
100 parts of terpolymer EP rubbers
10 parts of thermoplastic elastic polyester
30 parts in lime carbonate
The thermoplastic elastic polyester is for being that hard section and polytetrahydrofuran diol are soft section elastic polyester with the polybutylene terephthalate, and hard segment accounts for 80%, and soft chain segment accounts for 20%;
Coupling agent selects titanate coupling agent.
The preparation method is with embodiment 1.Blending temperature is 220 ℃,
Adopt the ASTM standard testing, test result:
Melting index (MFR) 4g/10min
Tensile strength 〉=40MPa
Elongation at break 〉=150%
Flexural strength 〉=24MPa
Modulus in flexure 〉=850MPa
Simply supported beam notched Izod impact strength 〉=35KJ/m
2
Simply supported beam unnotched impact strength 10JNB.
Claims (7)
1. blended modified chlorinated polypropylene is characterized in that, the parts by weight ratio comprises:
65～80 parts of Chlorinated Polypropylene IIIs
5～8 parts of EVA
20～25 parts of plasticizing mother particles
1～3 part of coupling agent
0.1～0.5 part in oxidation inhibitor
Described plasticizing mother particle is the mixture of terpolymer EP rubber, thermoplastic elastic polyester and inorganic strengthening agent, and the parts by weight of plasticizing mother particle are: 100 parts of terpolymer EP rubbers, 10～20 parts of thermoplastic elastic polyester, 30～40 parts of inorganic strengthening agents.
2. blended modified chlorinated polypropylene according to claim 1 is characterized in that, the molecular weight of Chlorinated Polypropylene III is 300,000～400,000.
3. blended modified chlorinated polypropylene according to claim 1, it is characterized in that, described thermoplastic elastic polyester is that polybutylene terephthalate (PBT) is soft section linear block copolymers for hard section and aliphatic polyether, the weight percentage content of each molecule segment is respectively: hard segment accounts for 70%～80%, and soft chain segment accounts for 20%～30%.
4. blended modified chlorinated polypropylene according to claim 1, it is characterized in that, described thermoplastic elastic polyester for the polybutylene terephthalate be hard section and polyoxyethylene enediol be soft section elastic polyester, polybutylene terephthalate for hard section and polyoxypropyleneglycol be soft section elastic polyester or with the polybutylene terephthalate be firmly section and polytetrahydrofuran diol be a kind of in soft section the elastic polyester.
5. blended modified chlorinated polypropylene according to claim 1 is characterized in that, said coupling agent is a titanate coupling agent.
6. blended modified chlorinated polypropylene according to claim 1 is characterized in that, described oxidation inhibitor is selected antioxidant 1010 or oxidation inhibitor 168 for use.
7. according to the preparation method of each described blended modified chlorinated polypropylene of claim 1～6, it is characterized in that, comprise the steps: proportionally, with each component in screw extrusion press, blend is extruded, and blending temperature is 190 ℃-220 ℃, promptly obtains product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216118XA CN101857697B (en) | 2010-06-29 | 2010-06-29 | Blended modified chlorinated polypropylene and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216118XA CN101857697B (en) | 2010-06-29 | 2010-06-29 | Blended modified chlorinated polypropylene and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101857697A true CN101857697A (en) | 2010-10-13 |
| CN101857697B CN101857697B (en) | 2012-06-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010216118XA Active CN101857697B (en) | 2010-06-29 | 2010-06-29 | Blended modified chlorinated polypropylene and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN101857697B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660063A (en) * | 2012-04-11 | 2012-09-12 | 上海乔治费歇尔亚大塑料管件制品有限公司 | High-toughness PE (polyethylene) production technology, and application of high-toughness PE in toughness-strengthened fused pipe fittings |
| CN104946154A (en) * | 2015-06-03 | 2015-09-30 | 芜湖友信激光模具有限公司 | Packaging adhesive tape |
| CN105027228A (en) * | 2013-03-06 | 2015-11-04 | 帝斯曼知识产权资产管理有限公司 | A polymeric cover and a part of an electrical cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60101125A (en) * | 1983-11-08 | 1985-06-05 | Toyo Soda Mfg Co Ltd | Coating composition for polypropylene molding |
| JPH11335418A (en) * | 1998-04-21 | 1999-12-07 | Elf Atochem It Srl | Peroxide composition |
| CN1685027A (en) * | 2002-08-23 | 2005-10-19 | Ppg工业俄亥俄公司 | Aqueous vacuum forming laminating adhesive composition, substrates and methods related thereto |
| JP2010111879A (en) * | 2003-04-18 | 2010-05-20 | Unitika Ltd | Chlorinated polyolefin resin aqueous dispersion |
-
2010
- 2010-06-29 CN CN201010216118XA patent/CN101857697B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60101125A (en) * | 1983-11-08 | 1985-06-05 | Toyo Soda Mfg Co Ltd | Coating composition for polypropylene molding |
| JPH11335418A (en) * | 1998-04-21 | 1999-12-07 | Elf Atochem It Srl | Peroxide composition |
| CN1685027A (en) * | 2002-08-23 | 2005-10-19 | Ppg工业俄亥俄公司 | Aqueous vacuum forming laminating adhesive composition, substrates and methods related thereto |
| JP2010111879A (en) * | 2003-04-18 | 2010-05-20 | Unitika Ltd | Chlorinated polyolefin resin aqueous dispersion |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660063A (en) * | 2012-04-11 | 2012-09-12 | 上海乔治费歇尔亚大塑料管件制品有限公司 | High-toughness PE (polyethylene) production technology, and application of high-toughness PE in toughness-strengthened fused pipe fittings |
| CN105027228A (en) * | 2013-03-06 | 2015-11-04 | 帝斯曼知识产权资产管理有限公司 | A polymeric cover and a part of an electrical cable |
| CN104946154A (en) * | 2015-06-03 | 2015-09-30 | 芜湖友信激光模具有限公司 | Packaging adhesive tape |
| CN104946154B (en) * | 2015-06-03 | 2018-12-14 | 芜湖友信激光模具有限公司 | A kind of gummed tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101857697B (en) | 2012-06-06 |
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