CN115850554A - Preparation method and application of ABS and HIPS alloy system compatilizer - Google Patents
Preparation method and application of ABS and HIPS alloy system compatilizer Download PDFInfo
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- CN115850554A CN115850554A CN202210290995.4A CN202210290995A CN115850554A CN 115850554 A CN115850554 A CN 115850554A CN 202210290995 A CN202210290995 A CN 202210290995A CN 115850554 A CN115850554 A CN 115850554A
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Abstract
The invention relates to the field of IPC classified C08F, in particular to a preparation method and application of an ABS and HIPS alloy system compatilizer. The preparation method of the compatilizer of the ABS and HIPS alloy system comprises the following steps: (1) preparing a first reaction solution; (2) preparing a second reaction solution; and (3) mixing the reaction liquids in proportion and carrying out mixed reaction. According to the preparation method of the ABS and HIPS alloy system compatilizer, the prepared compatilizer has a good alloy compatibility effect, not only is the mechanical property of the alloy improved, but also the overall glossiness of the alloy can be further improved, and the preparation method is suitable for popularization in the field of polymer alloy preparation and has a wide development prospect.
Description
Technical Field
The invention relates to the field of IPC classified C08F, in particular to a preparation method and application of an ABS and HIPS alloy system compatilizer.
Background
With the continuous progress of society and the continuous development of economy, high polymer materials are widely applied to the production and living activities of people. However, with the increasing demand and the increasing demand, the performance requirements of various fields for high polymer materials have become ever-changing, some traditional single polymers cannot meet the market demand, but the research on novel polymers has high cost, long research and development period, and cannot realize industrialization rapidly, so that different defects among various polymers can be realized compared with the compounding of various polymers by the method, the performance complementation is realized, and the method is widely applied to various fields.
However, the existing composite technology has defects, because the existence of a plurality of polymers often has compatibility problems, and therefore, the addition of a compatilizer in the composite process is inevitable. The prior art (CN 202111468720.7) provides an alloy compatilizer for thermal resin composite materials, and the prepared compatilizer can be effectively applied to a thermoplastic resin composite system, and can effectively improve the mechanical properties of the materials besides improving the mechanical properties. However, the prepared compatilizer cannot form a good compatilized effect in a composite system of a high-molecular structural material, and has no obvious effect of improving the glossiness of the composite material.
Therefore, a compatibilizer that can effectively cope with a composite system of a high molecular structural material and can effectively improve the gloss of the composite material is needed to solve the above problems.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of an ABS and HIPS alloy system compatilizer, which comprises the following steps: (1) preparing a first reaction solution; (2) preparing a second reaction solution; and (3) mixing the reaction liquids in proportion and carrying out mixed reaction.
As an alternative scheme, the specific operation of preparing the first reaction solution is as follows: adding 5-15 wt% of reaction raw materials of the first reaction solution into a first reaction kettle, heating to 80-150 ℃, dropwise adding the rest raw materials into the first reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 2-6 hours, and keeping the temperature for reacting for 1-2 hours after the dropwise adding is completed.
As an alternative, the preparation of the second reaction solution comprises the following specific operations: adding 5-15 wt% of reaction raw materials of the second reaction solution into a second reaction kettle, heating to 80-150 ℃, dropwise adding the rest raw materials into the second reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 2-6 hours, and keeping the temperature for reacting for 1-2 hours after the dropwise adding is completed.
As an optional scheme, the reaction solution is mixed in proportion, and the specific operation of the mixing reaction is as follows: adding the first reaction solution and the second reaction solution into a third reaction kettle according to a composite proportion, adding a catalyst, raising the reaction temperature to 140-180 ℃, reacting for 3-8 hours, and then devolatilizing to obtain the compatilizer.
As an optional scheme, the reaction raw materials of the first reaction liquid comprise, by mass, 0.1-1 part of an initiator, 20-50 parts of an organic solvent, 50-100 parts of a benzene-containing monomer and 1-10 parts of an alcohol auxiliary agent.
As an optional scheme, the reaction raw materials of the second reaction liquid comprise, by mass, 0.1-1 part of an initiator, 20-50 parts of an organic solvent, 50-100 parts of a benzene-containing monomer, 30-60 parts of an olefin monomer and 1-10 parts of an acidic auxiliary agent.
As a preferable embodiment, the initiator is at least one of an azo initiator and a peroxide initiator.
In a preferred embodiment, the initiator is azobisisobutyronitrile or benzoyl peroxide.
As a preferable scheme, the organic solvent is at least one of benzene organic solvents, ketone organic solvents and short-chain ester organic solvents.
As an alternative, the organic solvent is butanone or butyl propionate.
As an alternative, the benzene-containing monomer is styrene.
As an alternative, the alcohol auxiliary agent is mercaptoethanol.
As an alternative, the acidic adjuvant is mercaptopropionic acid.
As a preferable embodiment, the olefin monomer is at least one of acrylonitrile and methacrylonitrile.
As an alternative, the olefin monomer is acrylonitrile.
In a preferred embodiment, the mass ratio of the benzene-containing monomer to the olefin monomer in the second reaction liquid is 6 to 7.5.
In a preferred embodiment, the mass ratio of the benzene-containing monomer to the olefin monomer in the second reaction liquid is 6.5.
As an alternative, the compounding ratio of the first reaction solution and the second reaction solution is a molar ratio, and the molar ratio of the first reaction solution to the second reaction solution is 0.8 to 1.2:1.
as an alternative, the molar ratio of the first reaction solution to the second reaction solution is 1.1:1.
in the application, the compatibility effect of the compatilizer is effectively improved by matching the selection of specific monomers and the ratio of limited monomers through the technological methods of reaction of two reaction liquids and post-mixing, and the mechanical property and the glossiness of the alloy can be further improved. The applicant speculates that: when the mass ratio of the benzene-containing monomer to the olefin monomer in the second reaction liquid is 6.5: 1, a single-molecule block polymer with longer two ends can be formed on a molecular chain in the mixing reaction process of the first reaction liquid and the second reaction liquid, and the block polymer has the amphiphilicity of ABS and HIPS, so that the block polymer can be rapidly distributed in an amphiphilic segment in the using process to form a component chain linking effect; on the other hand, the compatilizer with a long single chain segment can promote the uniformity of the system, so that the components with better glossiness form a glossy film layer in the system, and the glossiness of the alloy is further improved.
As an alternative, the catalyst is at least one of a tertiary amine catalyst and an organophosphorus catalyst.
As an alternative scheme, the catalyst is triethylamine or tetrabutyl phosphonium bromide.
The invention also provides an application of the preparation method of the compatilizer of the ABS and HIPS alloy system, which comprises the application of the preparation method of the compatilizer in the preparation process of the compatilizer of the high-molecular alloy material.
Has the beneficial effects that:
1. the alloy compatilizer provided by the application has a good compatibility effect, especially in the content of an ABS/HIPS system, can effectively promote the rapid compounding compatibility of two high polymer materials, so that the composite material with excellent mechanical properties is obtained, and the alloy compatilizer has excellent practicability.
2. According to the alloy compatilizer provided by the application, the selection of specific monomers and the limited proportion among the monomers are matched through the technological methods of reaction liquid, reaction and post-mixing, so that the compatibility effect of the compatilizer is effectively improved, and the mechanical property and the glossiness of the alloy can be further improved. Compared with the alloy adopting the compatilizer commonly used in the prior art, the alloy has better and more comprehensive performance, so that the alloy has wider application range.
Detailed Description
Example 1
Example 1 in a first aspect, a method for preparing a compatibilizer for an ABS and HIPS alloy system is provided, comprising the steps of: (1) preparing a first reaction solution; (2) preparing a second reaction solution; and (3) mixing the reaction liquids in proportion and carrying out mixed reaction.
The specific operation of preparing the first reaction solution is as follows: adding 10wt% of the reaction raw material of the first reaction solution into a first reaction kettle, heating to 100 ℃, dropwise adding the rest raw material into the first reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 4 hours, and keeping the temperature for reacting for 1.5 hours after the dropwise adding is finished.
The specific operation of preparing the second reaction solution is as follows: and adding 10wt% of the reaction raw material of the second reaction solution into a second reaction kettle, heating to 100 ℃, dropwise adding the rest raw material into the second reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 4 hours, and keeping the temperature for reacting for 1.5 hours after the dropwise adding is finished.
Mixing the reaction solution in proportion, wherein the concrete operation of the mixing reaction is as follows: adding the first reaction solution and the second reaction solution into a third reaction kettle according to a composite proportion, adding a catalyst (3 parts by mass of tetrabutyl phosphonium bromide), raising the reaction temperature to 160 ℃, reacting for 5 hours, and then devolatilizing to obtain the compatilizer.
The reaction raw materials of the first reaction liquid comprise, by mass, 0.5 part of an initiator, 45 parts of an organic solvent, 65 parts of a benzene-containing monomer and 5 parts of an alcohol auxiliary agent.
The reaction raw materials of the second reaction liquid comprise, by mass, 0.5 part of an initiator, 50 parts of an organic solvent, 65 parts of a benzene-containing monomer, 35 parts of an olefin monomer and 5 parts of an acidic auxiliary agent.
The initiator is benzoyl peroxide; the organic solvent is butanone; the benzene-containing monomer is styrene; the alcohol auxiliary agent is mercaptoethanol; the acid auxiliary agent is mercaptopropionic acid; the olefin monomer is acrylonitrile.
The compounding ratio of the first reaction liquid to the second reaction liquid is a molar ratio, and the molar ratio of the first reaction liquid to the second reaction liquid is 1.1:1.
example 2
The embodiment of this embodiment is the same as embodiment 1, except that: the molar ratio of the first reaction liquid to the second reaction liquid is 0.9:1.
comparative example 1
The embodiment of this comparative example is the same as example 1 except that: the molar ratio of the first reaction solution to the second reaction solution was 0.6:1.2.
comparative example 2
The embodiment of this comparative example is the same as example 1 except that: the mass ratio of the benzene-containing monomer to the olefin monomer in the second reaction liquid is 1.
Evaluation of Properties
Testing of the performance of the compatilizer: first, the corresponding compatibilizer product was prepared according to the scheme in the examples and comparative examples, then the compatibilizer was added to the ABS and HIPS alloy system prepared in the same batch at a content of 4wt%, wherein the mass ratio of ABS/HIPS was 7, and a blank group and a control group of 4wt% sebs added with the existing compatibilizer were provided, and finally the alloy was subjected to the mechanical property and gloss test, 10 samples were tested for each comparative example, and the average of the measured values is shown in table 1.
TABLE 1
| Examples | / | / | Blank group | Example 1 | Example 2 | Comparative example 1 | Comparative example 2 | Control group |
| Test item | Unit of | Test conditions | / | / | / | / | / | / |
| Tensile strength | / | 1 | 38 | 45 | 42 | 39 | 40 | 35 |
| Notched impact strength | J/m | 23℃,1/8 | 60 | 110 | 80 | 69 | 71 | 120 |
| Degree of gloss | 60° | 60 | 92 | 85 | 72 | 68 | 58 |
The examples 1-2, the comparative examples 1-2 and the table 1 show that the compatilizer prepared by the preparation method of the ABS and HIPS alloy system compatilizer has a good alloy compatibility effect, not only is the mechanical property of the alloy improved, but also the overall glossiness of the alloy can be further improved, and the preparation method is suitable for popularization in the field of polymer alloy preparation and has a wide development prospect.
Claims (10)
1. A preparation method of an ABS and HIPS alloy system compatilizer is characterized by comprising the following steps: the method comprises the following steps: (1) preparing a first reaction liquid; (2) preparing a second reaction solution; and (3) mixing the reaction liquids in proportion, and carrying out mixed reaction.
2. The method for preparing the compatilizer for the ABS and HIPS alloy system according to claim 1, wherein the method comprises the following steps: the preparation of the first reaction solution comprises the following specific operations: adding 5-15 wt% of reaction raw materials of the first reaction solution into a first reaction kettle, heating to 80-150 ℃, dropwise adding the rest raw materials into the first reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 2-6 hours, and keeping the temperature for reacting for 1-2 hours after the dropwise adding is completed.
3. The preparation method of the ABS and HIPS alloy system compatilizer according to any one of claims 1 to 2, characterized in that: the preparation of the second reaction solution comprises the following specific operations: adding 5-15 wt% of reaction raw materials of the second reaction solution into a second reaction kettle, heating to 80-150 ℃, dropwise adding the rest raw materials into the second reaction kettle after the reaction temperature is reached, wherein the dropwise adding time is 2-6 hours, and keeping the temperature for reacting for 1-2 hours after the dropwise adding is completed.
4. The preparation method of the ABS and HIPS alloy system compatilizer according to any one of claims 1 to 3, characterized in that: the reaction solution is mixed according to the proportion, and the specific operation of the mixing reaction is as follows: adding the first reaction solution and the second reaction solution into a third reaction kettle according to a composite proportion, adding a catalyst, raising the reaction temperature to 140-180 ℃, reacting for 3-8 hours, and then devolatilizing to obtain the compatilizer.
5. The preparation method of the compatilizer for the ABS and HIPS alloy system according to any one of claims 2 to 4, wherein the method comprises the following steps: the reaction raw materials of the first reaction liquid comprise, by mass, 0.1-1 part of an initiator, 20-50 parts of an organic solvent, 50-100 parts of a benzene-containing monomer and 1-10 parts of an alcohol auxiliary agent.
6. The preparation method of the ABS and HIPS alloy system compatilizer according to any one of claims 2 to 5, characterized in that: the reaction raw materials of the second reaction liquid comprise, by mass, 0.1-1 part of an initiator, 20-50 parts of an organic solvent, 50-100 parts of a benzene-containing monomer, 30-60 parts of an olefin monomer and 1-10 parts of an acidic auxiliary agent.
7. The method for preparing the compatilizer for the ABS and HIPS alloy system according to claim 6, wherein the compatilizer comprises the following steps: the olefin monomer is at least one of acrylonitrile and methacrylonitrile.
8. The preparation method of the ABS and HIPS alloy system compatilizer according to any one of claims 4 to 7, characterized in that: the compound ratio of the first reaction liquid to the second reaction liquid is a molar ratio, and the molar ratio of the first reaction liquid to the second reaction liquid is 0.8-1.2: 1.
9. the preparation method of the ABS and HIPS alloy system compatilizer according to any one of claims 4 to 8, characterized in that: the catalyst is at least one of tertiary amine catalyst and organic phosphorus catalyst.
10. The use of the process for the preparation of the compatibilizer of ABS and HIPS alloy systems according to any of claims 1 to 9, wherein the process comprises the steps of: the preparation method of the compatilizer is applied to the preparation process of the compatilizer of the polymer alloy material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210290995.4A CN115850554A (en) | 2022-03-23 | 2022-03-23 | Preparation method and application of ABS and HIPS alloy system compatilizer |
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| CN202210290995.4A CN115850554A (en) | 2022-03-23 | 2022-03-23 | Preparation method and application of ABS and HIPS alloy system compatilizer |
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| CN202210290995.4A Pending CN115850554A (en) | 2022-03-23 | 2022-03-23 | Preparation method and application of ABS and HIPS alloy system compatilizer |
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