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PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof

A technology of alloy material and formula, applied in the field of PVC/ASA alloy material and its preparation, can solve the problems of easy decomposition, poor heat resistance, limited application, etc.

Inactive Publication Date: 2015-04-29
ANHUI KEJU NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Depending on the amount of additives, it can be divided into soft and hard PVC. Soft products are soft and tough, and feel sticky. The hardness of hard products is higher than that of low-density polyethylene. PVC has the advantages of good dimensional stability, low cost and high hardness. Its usage ranks second among general-purpose plastics, but it also has disadvantages such as poor chemical resistance, temperature resistance, brittleness, and easy decomposition, which restrict its use. This requires us to use other resins that can make up for the shortcomings of PVC. PVC blending to improve the performance of PVC itself
[0003] At present, new PVC / ABS flame-retardant materials have appeared, which have high cost performance and have been used in various fields. However, due to the poor heat resistance of PVC / ABS, the heat-resistant deformation temperature is generally below 70°C, which limits it in many aspects. Applications

Method used

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  • PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof
  • PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof
  • PVC/ASA (polyvinyl chloride/ acrylic-styrene-acrylonitrile copolymer) alloy material and preparation method thereof

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preparation example Construction

[0030] Correspondingly, the embodiment of the present invention also provides the preparation method of above-mentioned PVC / ASA alloy material, and its technological process is as follows figure 1 shown. The method comprises the steps of:

[0031] S01. Weigh the formula components: weigh each component according to the formula of the above-mentioned PVC / ASA alloy material;

[0032] S02. Preparation of mixed material: weighing each component in step S01 for mixing treatment to obtain mixed material;

[0033] S03. Melt extrusion of the mixed material: melt extrude the mixed material in step S02 to obtain the PVC / ASA alloy material.

[0034] Specifically, the formulation of the PVC / ASA alloy material in the above step S01 and the preferred contents and types of each component in the formulation are as described above, and will not be repeated here in order to save space.

[0035] In the above step S02, the time for mixing each component can be flexibly adjusted according to th...

Embodiment 1

[0044]The weight percentage formula components of the PVC / ASA alloy material in this embodiment are shown in the following Table 1, wherein PVC is PVC SG-6 of Ningbo Formosa Plastics, ASA is Chimei PW-978B, and the toughening agent is chlorinated polyvinyl chloride CPE-6000, the heat-resistant agent is SZ26120 SMA produced by Polysope in the Netherlands, the plasticizer is TOTM, and the antioxidant is a composite antioxidant composed of a main antioxidant and an auxiliary antioxidant with a weight ratio of 1:1 , the main antioxidant is tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, and the auxiliary antioxidant is tris(2,4-di-tert-butylphenyl phosphite Ester) is selected from Ciba company to produce, and the trade marks are respectively Irganox1010 and Irganox168; the weight ratio is 1:1:1 organotin processing aid, calcium-zinc composite heat stabilizer and zinc stearate lubricant.

[0045] Its preparation method is as follows:

[0046] S11...

Embodiment 2

[0052] The weight percentage formula components of the PVC / ASA alloy material in this embodiment are shown in the following Table 1, wherein PVC is PVC SG-6 of Ningbo Formosa Plastics, ASA is Chimei PW-978B, and the toughening agent is chlorinated polyvinyl chloride CPE-6000, the heat-resistant agent is SZ26120 SMA produced by Polysope in the Netherlands, the plasticizer is TOTM, and the antioxidant is a composite antioxidant composed of a main antioxidant and an auxiliary antioxidant with a weight ratio of 1:1 , the main antioxidant is tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, and the auxiliary antioxidant is tris(2,4-di-tert-butylphenyl phosphite Ester) is selected from Ciba company to produce, and the trade marks are respectively Irganox1010 and Irganox168; the weight ratio is 1:1:1 organotin processing aid, calcium-zinc composite heat stabilizer and zinc stearate lubricant.

[0053] Its preparation method is as follows:

[0054] S2...

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Abstract

The invention discloses a PVC / ASA (polyvinyl chloride / acrylic-styrene-acrylonitrile copolymer) alloy material and a preparation method thereof. The PVC / ASA alloy material comprises the following components in weight percentage: 55-65% of PVC, 15-20% of ASA, 5-7% of toughening agent, 5-20% of heat-resistant agent, 2-3% of plasticizer, 0.2-0.6% of antioxidant and 0.2-0.3% of other auxiliary agents. The PVC / ASA alloy material takes PVC and ASA as base materials, and the heat-resistant agent is synergistic with other components in a melt extrusion process to endow the PVC / ASA alloy material with excellent heat resistance, so that the PVC / ASA alloy material has good processability and excellent mechanical properties. The preparation method is simple in process, easy to control conditions, low in cost and low in equipment requirement and is applicable to industrial production.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a PVC / ASA alloy material and a preparation method thereof. Background technique [0002] The natural color of polyvinyl chloride (PVC) is light yellow translucent and shiny. Depending on the amount of additives, it can be divided into soft and hard PVC. Soft products are soft and tough, and feel sticky. The hardness of hard products is higher than that of low-density polyethylene. PVC has the advantages of good dimensional stability, low cost and high hardness. Its usage ranks second among general-purpose plastics, but it also has disadvantages such as poor chemical resistance, temperature resistance, brittleness, and easy decomposition, which restrict its use. This requires us to use other resins that can make up for the shortcomings of PVC. PVC blending to improve the performance of PVC itself. [0003] At present, new PVC / ABS flame-retardant materials h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L51/00B29C47/92B29C48/92
CPCB29C48/40B29C48/875B29C48/92B29C2948/92514B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 徐东徐永乔志龙
Owner ANHUI KEJU NEW MATERIALS