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ABS thermoplastic resin composition

A thermoplastic resin and ABS resin technology, which is applied in the field of ABS thermoplastic resin composition, can solve the problems of unobtainable impact strength, low gloss, and inability to produce raw materials.

Active Publication Date: 2012-10-24
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings that the existing production methods cannot produce ultra-low gloss ABS resins, or the raw materials of the previous methods are not easy to obtain or the impact strength is low, and provide a new ABS thermoplastic resin composition. The composition has a glossiness lower than 50 and a notched impact strength greater than 40kJ / m 2 At the same time, the characteristics of easy availability of raw materials

Method used

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  • ABS thermoplastic resin composition
  • ABS thermoplastic resin composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Weigh 2.000 kilograms of dried bulk polymerization ABS resin (ABS-1), 1.800 kilograms of emulsion polymerization ABS resin (ABS-3), 0.192 kilograms of nitrile rubber-1 and 10 grams of antioxidant 1010, and put them into a container Use a mixer to mix evenly, and then add it to the feeder of the twin-screw extruder for later use. Twin-screw extruder (screw diameter 27mm, length / diameter ratio 36, Germany Leistritz company) barrel temperature is set in ten sections from the feed inlet to the extrusion outlet at 200°C, 210°C, 220°C, 225°C, 230°C , 230°C, 230°C, 230°C, 230°C, 228°C, when the temperature of each section reaches the set value, turn on the main screw and feeder screw, the speed of the main screw is 160 rpm, and the speed of the feeder screw is 60 rpm Minutes, extrude the above-mentioned material into strips at a rate of about 9 kilograms per hour, and cut into pellets after cooling in a water tank to obtain the product.

[0042] The above product was dried at...

Embodiment 2

[0045] Weigh 2.400 kilograms of dried bulk polymerization ABS resin (ABS-1), 1.280 kilograms of emulsion polymerization ABS resin (ABS-3), 0.312 kilograms of nitrile rubber-1 and 10 grams of antioxidant 1010, and put them into a container Mixed evenly with a stirrer, then added to the feeder of the twin-screw extruder to prepare the composition, injection molding sample preparation and test performance under the same conditions as in Example 1, the results are shown in Table 1.

Embodiment 3

[0047] Weigh 2.800 kg of dried bulk polymerization ABS resin (ABS-1), 0.880 kg of emulsion polymerization ABS resin (ABS-3), 0.312 kg of nitrile rubber-1 and 10 grams of antioxidant 1010, and put them into a container Mixed evenly with a stirrer, then added to the feeder of the twin-screw extruder to prepare the composition, injection molding sample preparation and test performance under the same conditions as in Example 1, the results are shown in Table 1.

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Abstract

The invention relates to an ABS thermoplastic resin composition, and mainly solves the problem that existing ABS resin has high glossiness and cannot meet certain low glossiness application requirements. The technical scheme of composing the ABS thermoplastic resin composition with bulk polymerization ABS resin, emulsion polymerization ABS resin, and nitrile rubber of the invention well solves the problem, and can be used for industrial production of low glossiness ABS thermoplastic resin compositions.

Description

technical field [0001] The invention relates to an ABS thermoplastic resin composition. Background technique [0002] ABS resin mainly has two production methods, namely emulsion polymerization and bulk polymerization. The ABS resins produced by the emulsion polymerization method are all high-gloss resins (according to the ASTM D523 standard at a 60° incident angle test generally greater than 80), this is because the emulsion polymerization method can only produce ABS resins with small rubber particle sizes. The bulk polymerization method can produce both high-gloss ABS resin and low-gloss ABS resin. This is because the bulk polymerization method can obtain ABS resin with small rubber particle size and large rubber particle size through the selection of rubber varieties. ABS resin. The glossiness of ABS resin is mainly determined by the size of the rubber particle size in the ABS resin. Generally speaking, the smaller the rubber particle size of the ABS resin, the higher t...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L25/12C08L9/02
Inventor 傅荣政王芳
Owner CHINA PETROLEUM & CHEM CORP
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