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High-fatigue-resistance ABS (Acrylonitrile Butadiene Styrene) resin composition and preparation method thereof

A technology of ABS resin and composition, applied in the field of resin composition and its preparation, can solve the problems of material toughness decrease, weight increase, etc., and achieve the effect of improving fatigue resistance.

Inactive Publication Date: 2011-09-14
GUANGDONG KUMHO SUNNY POLYMER MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The addition of reinforcing fillers such as glass fiber will greatly increase the rigidity of the product and enhance the fatigue resistance of the material, but the toughness of the material will decrease significantly, and the product weight per unit volume will also increase significantly

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 Adding melt reinforcing agent to the influence of fatigue resistance of ABS resin composition

[0034] 1.1

[0035] Step 1, get following components by weight parts:

[0036] Emulsion grafting blended bulk SAN rubber powder 45

[0037] Styrene-acrylonitrile copolymer 55

[0038] Lubricant EBS 0.7

[0039] Antioxidant IG-245 0.2

[0040] Antioxidant 168 0.2.

[0041] Step 2: Add the components of Step 1 into a high-speed mixer and stir for 3 to 10 minutes, discharge the material, and then extrude and granulate in a twin-screw extruder with an aspect ratio of 36 and a diameter of 35mm, extruding The barrel temperature of the machine is 190-240° C., the screw speed is 200-600 rpm, and then cooled and granulated to obtain the ABS resin composition.

[0042] 1.2

[0043] Get following components by weight parts:

[0044] Emulsion grafting blended bulk SAN rubber powder 45

[0045] Styrene-acrylonitrile copolymer 55

[0046] Melt Enhancer 1

[0047] Lu...

Embodiment 2

[0056] Example 2 The effect of the amount of melt reinforcement added on the fatigue resistance of ABS resin compositions

[0057] The preparation method of the ABS resin composition in this embodiment is the same as that in Embodiment 1.

[0058] 2.1

[0059] Get the following components in parts by weight, then prepare the ABS resin composition:

[0060] Emulsion grafting blended bulk SAN rubber powder 45

[0061] Styrene-acrylonitrile copolymer 55

[0062] Melt Enhancer 3

[0063] Lubricant EBS 0.7

[0064] Antioxidant IG-245 0.2

[0065] Antioxidant 168 0.2.

[0066] 2.2

[0067] Get the following components in parts by weight, then prepare the ABS resin composition:

[0068] Emulsion grafting blended bulk SAN rubber powder 45

[0069] Styrene-acrylonitrile copolymer 55

[0070] Melt Enhancer 5

[0071] Lubricant EBS 0.7

[0072] Antioxidant IG-245 0.2

[0073] Antioxidant 168 0.2.

[0074] The ABS resin compositions prepared in Examples 2.1 and 2.2 were test...

Embodiment 3

[0075] Influence of AN (acrylonitrile) content on the fatigue resistance of ABS resin composition in the melt reinforcing agent of embodiment 3

[0076] The preparation method of the ABS resin composition in this embodiment is the same as that in Embodiment 1.

[0077] 3.1

[0078] Get the following components in parts by weight, then prepare the ABS resin composition:

[0079] Emulsion grafting blended bulk SAN rubber powder 45

[0080] Styrene-acrylonitrile copolymer 55

[0081] Melt enhancer (18% by weight of AN) 3

[0082] Lubricant EBS 0.7

[0083] Antioxidant IG-245 0.2

[0084] Antioxidant 168 0.2.

[0085] 3.2

[0086] Get the following components in parts by weight, then prepare the ABS resin composition:

[0087] Emulsion grafting blended bulk SAN rubber powder 45

[0088] Styrene-acrylonitrile copolymer 55

[0089] Melt enhancer (34% by weight of AN) 3

[0090] Lubricant EBS 0.7

[0091] Antioxidant IG-245 0.2

[0092] Antioxidant 168 0.2.

[0093] The...

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Abstract

The invention relates to a high-fatigue-resistance ABS (Acrylonitrile Butadiene Styrene) resin composition and a preparation method thereof. The composition comprises the following components in parts by mass: 30-50 parts of emulsion grafted mixed body SAN (Styrene Acryl Nitrile) rubber powder, 50-70 parts of styrene-acrylonitrile copolymer, 1-5 parts of melt reinforcing agent, 0.1-3 parts of lubricant and 0.05-0.8 part of antioxidant. The preparation method of the composition comprises the following steps of: putting the components into a high-speed mixer for premixing to obtain a premix compound; and melting and extruding the premix compound with a double screw extruder at the temperature of 190-240 DEG C and the screw rotating speed of 200-600 revolutions per minute, cooling and pelletizing to obtain the high-fatigue-resistance ABS resin composition. The fatigue resistance of the ABS resin composition is enhanced to a large extent. Moreover, the toughness, the specific weight and the superior appearance of the ABS resin composition do not change greatly.

Description

technical field [0001] The invention relates to a resin composition and a preparation method thereof, in particular to an ABS resin composition with high fatigue resistance and a preparation method thereof. Background technique [0002] ABS is a general-purpose thermoplastic engineering plastic developed in the 1940s. The characteristics of ABS are controlled by the ratio of its three components and the chemical structure and physical form of each component. Among them, the characteristics of acrylonitrile component in ABS are heat resistance, chemical resistance, rigidity and tensile strength. ; The characteristic of butadiene is impact strength; the characteristic of styrene is processing fluidity and gloss. The combination of these three components makes ABS have good rigidity, high impact strength, heat resistance, low temperature resistance, chemical resistance, high mechanical strength and excellent electrical properties. ABS is easy to process, dimensional stability ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L25/12B29C47/92B29C48/92
CPCB29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 董建廷宋治乾魏绪英罗明华辛敏琦
Owner GUANGDONG KUMHO SUNNY POLYMER MATERIAL
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