CN112358697A - PVC toughening agent - Google Patents
PVC toughening agent Download PDFInfo
- Publication number
- CN112358697A CN112358697A CN202011259624.7A CN202011259624A CN112358697A CN 112358697 A CN112358697 A CN 112358697A CN 202011259624 A CN202011259624 A CN 202011259624A CN 112358697 A CN112358697 A CN 112358697A
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- CN
- China
- Prior art keywords
- pvc
- agent
- toughening
- mbs resin
- percent
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
Abstract
The invention discloses a PVC toughening agent, which belongs to the technical field of PVC functional additives and comprises the following main components: the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin, wherein the PVC toughening agent can rapidly promote the gelation of PVC under the condition of a small amount of PVC, can more rapidly melt at a lower temperature to improve the fluidity of materials, achieves the function of accelerating the plasticization of PVC and improves the processing performance of PVC; the PVC melt strength, ductility and elasticity can be improved after plasticization, the melt is prevented from breaking, the formula proportion is reasonably adjusted, the requirements of high-speed extrusion and injection molding processing technologies are met, the yield is improved, the cost is low, the toughening effect is good, and the requirements of users are met.
Description
Technical Field
The invention relates to the technical field of PVC functional additives, in particular to a PVC toughening agent.
Background
With the rapid development of manufacturing industry in China, China ascends the world plastic kingdom, and the yield of plastic products is located in the second place of the world. At present, more than 4000 million tons of plastics are consumed in China in years, which becomes one of the largest plastic product consumption markets all over the world, and the plastic life continues to lead the rapid development of China and the industry all over the world, so that an infinite business opportunity is created.
PVC is easy to decompose in pure processing, poor in fluidity, low in impact strength and poor in weather resistance, so that various auxiliary materials are required to be added in the processing process to improve the performance of the PVC. Such as: lubricants, heat stabilizers, impact modifiers, processing aids, and the like. The processing aid has different functions according to different relative molecular weights, and the processing aid with the relative molecular weight of 50-150 ten thousand is widely used for processing common products, such as: ACR-201, 301, 401, etc.; processing aids with relative molecular weights of over 150 million are widely used for blow molding and rigid PVC foamed products, such as ACR-530; the processing aid has the main functions of: accelerating the plasticizing process of PVC; the mechanical property of the solution under the thermoelastic state is improved; improve the appearance quality of the product and other comprehensive functions.
At present, PVC modifiers in the market are mainly foreign products, the cost is high, the toughening effect is unstable, and a novel PVC toughening agent with low cost, good toughening effect and good environmental protection performance is urgently needed to be developed to solve the problems.
Disclosure of Invention
The invention aims to provide a PVC toughening agent to solve the problems of high cost and unstable toughening effect of the existing PVC toughening agent.
In order to solve the technical problems, the invention provides a PVC toughening agent, which comprises the following main components: ACR impact resistance agent, coupling agent, chelating agent and MBS resin.
Optionally, the composition comprises the following main components in percentage by weight:
ACR impact resistance agent 40%
10 percent of coupling agent
Chelating agent 10%
40 percent of MBS resin.
Optionally, the MBS resin comprises methyl methacrylate, butadiene and styrene.
Optionally, the methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
Optionally, in the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then mixed by a co-grinding method.
The invention provides a PVC toughening agent, which comprises the following main components: the ACR impact resistant agent, the coupling agent, the chelating agent and the MBS resin, wherein the PVC toughening agent can rapidly promote the gelation of PVC under the condition of a small amount of PVC, and can more rapidly melt at a lower temperature to improve the fluidity of materials, thereby achieving the functions of accelerating the plasticization of PVC and improving the processability of PVC; the PVC melt strength, ductility and elasticity can be improved after plasticization, the melt is prevented from breaking, the formula proportion is reasonably adjusted, the requirements of high-speed extrusion and injection molding processing technologies are met, the yield is improved, the cost is low, the toughening effect is good, and the requirements of users are met.
Detailed Description
The present invention provides a PVC toughening agent, which is further described in detail with reference to the following specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims.
Example one
The invention provides a PVC toughening agent, which comprises the following main components in percentage by weight:
ACR impact resistance agent 40%
10 percent of coupling agent
Chelating agent 10%
40 percent of MBS resin.
The MBS resin comprises methyl methacrylate, butadiene and styrene.
The methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
In the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then are mixed by adopting a common grinding method.
Example two
The invention provides a PVC toughening agent, which comprises the following main components in percentage by weight:
ACR impact resistance agent 35%
20 percent of coupling agent
20% of chelating agent
And 35% of MBS resin.
The MBS resin comprises methyl methacrylate, butadiene and styrene.
The methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
In the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then are mixed by adopting a common grinding method.
EXAMPLE III
The invention provides a PVC toughening agent, which comprises the following main components in percentage by weight:
30 percent of ACR impact resistance agent
25 percent of coupling agent
20% of chelating agent
MBS resin 25 percent.
The MBS resin comprises methyl methacrylate, butadiene and styrene.
The methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
In the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then are mixed by adopting a common grinding method.
Example four
The invention provides a PVC toughening agent, which comprises the following main components in percentage by weight:
ACR impact resistance agent 25%
30 percent of coupling agent
Chelating agent 25%
20 percent of MBS resin.
The MBS resin comprises methyl methacrylate, butadiene and styrene.
The methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
In the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then are mixed by adopting a common grinding method.
EXAMPLE five
The invention provides a PVC toughening agent, which comprises the following main components in percentage by weight:
ACR impact resistance agent 20%
35 percent of coupling agent
Chelating agent 15%
30 percent of MBS resin.
The MBS resin comprises methyl methacrylate, butadiene and styrene.
The methyl methacrylate, the butadiene and the styrene are composed of the following components in percentage by weight:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
In the preparation process of the PVC toughening agent, the ACR impact resistance agent, the coupling agent, the chelating agent and the MBS resin are blended and then are mixed by adopting a common grinding method.
The following is an example of the use of the sample of example 1 for further analysis of the PVC toughener of the present invention.
Application example 1
The sample of the embodiment 1 of the invention is applied to a PVC pipe, and the following results are obtained by detection:
the product has the notch impact strength of 30-40 KJ/square meter, the notch impact strength is improved by more than 1 time compared with the existing PVC, the elastic modulus is 3200-3500 MPa, the notch impact strength is improved by more than 20 percent compared with the existing toughened PVC, the tensile strength is 50-60 MPa, and the notch impact strength is improved by more than 20 percent compared with the pure PVC.
Application example 2
The five samples of the embodiment of the invention can still reach or exceed the performance of the original product when being applied to the PVC pipe.
The PVC toughening agent can rapidly promote the gelation of PVC under the condition of a small amount of PVC, can be more rapidly melted at a lower temperature to improve the fluidity of materials, achieves the functions of accelerating the plasticization of PVC and improving the processability of PVC, has low cost and good toughening effect, and meets the requirements of users.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications and variations of the present invention will be made by those skilled in the art in light of the above disclosure and fall within the scope of the appended claims.
Claims (5)
1. The PVC toughening agent is characterized by comprising the following main components: ACR impact resistance agent, coupling agent, chelating agent and MBS resin.
2. The PVC toughening agent according to claim 1, comprising the following main components in weight percent:
ACR impact resistance agent 40%
10 percent of coupling agent
Chelating agent 10%
40 percent of MBS resin.
3. The PVC toughening agent of claim 1, wherein the MBS resin comprises methyl methacrylate, butadiene and styrene.
4. The PVC toughening agent of claim 3, wherein the methyl methacrylate, the butadiene and the styrene are comprised in the following weight percentages:
methyl methacrylate 60%
Butadiene 20%
20 percent of styrene.
5. The PVC toughener of claim 1, wherein in the process of making the PVC toughener, the ACR impact modifier, the coupling agent, the chelating agent and the MBS resin are blended and then mixed by co-grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011259624.7A CN112358697A (en) | 2020-11-12 | 2020-11-12 | PVC toughening agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011259624.7A CN112358697A (en) | 2020-11-12 | 2020-11-12 | PVC toughening agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112358697A true CN112358697A (en) | 2021-02-12 |
Family
ID=74514481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011259624.7A Pending CN112358697A (en) | 2020-11-12 | 2020-11-12 | PVC toughening agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112358697A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386178A (en) * | 2022-08-09 | 2022-11-25 | 河南瑞奇特新材料有限公司 | PVC (polyvinyl chloride) reinforcing and toughening agent and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911455A (en) * | 2012-09-24 | 2013-02-06 | 冠益实业股份有限公司 | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof |
| CN108586998A (en) * | 2018-05-21 | 2018-09-28 | 江苏凤腾塑料有限公司 | A kind of environment-friendly type antibiotic PVC |
| CN109705492A (en) * | 2018-12-27 | 2019-05-03 | 华艺生态园林股份有限公司 | A kind of FRP wastes straw fiber wood plastic composite support rod and preparation method thereof |
-
2020
- 2020-11-12 CN CN202011259624.7A patent/CN112358697A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911455A (en) * | 2012-09-24 | 2013-02-06 | 冠益实业股份有限公司 | PVC/MBS/ACR (Polyvinyl chloride/methyl methacrylate butadiene styrene copolymer/methyl methacrylate-acrylate copolymer) tubing with high impact resistance and preparation method thereof |
| CN108586998A (en) * | 2018-05-21 | 2018-09-28 | 江苏凤腾塑料有限公司 | A kind of environment-friendly type antibiotic PVC |
| CN109705492A (en) * | 2018-12-27 | 2019-05-03 | 华艺生态园林股份有限公司 | A kind of FRP wastes straw fiber wood plastic composite support rod and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115386178A (en) * | 2022-08-09 | 2022-11-25 | 河南瑞奇特新材料有限公司 | PVC (polyvinyl chloride) reinforcing and toughening agent and preparation method thereof |
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Application publication date: 20210212 |
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