ABS alloy with low-temperature resistance, oil resistance, acid resistance, alkali resistance and high impact, and preparation method thereof

Abstract

The invention discloses ABS alloy with low-temperature resistance, oil resistance, acid resistance, alkali resistance and high impact. The ABS alloy is characterized by being prepared from the following components in parts by weight: 40 to 60 parts of ABS, 8 to 15 parts of PC, 15 to 30 parts of PBT, 3 to 6 parts of styrene-acrylonitrile-glycidyl methacrylate, 1 to 2 parts of methyl silicone oil, 5 to 15 parts of an MBS toughening agent, 1 to 3 parts of triphenyl phosphate and 0.5 to 1 part of other processing aids. ABS alloy resin produced by a formula and a process of the ABS alloy with low-temperature resistance, oil resistance, acid resistance, alkali resistance and high impact has high mechanical property, higher heat resistance compared with that of common ABS, high low-temperature notch impact strength, obviously improved oil resistance and resistance to moderate-strength acid and alkali soaking, and obviously improved anti-ageing degree.

Description

technical field [0001] The invention relates to the field of alloy preparation technology, in particular to the field of ABS alloy preparation technology. Background technique [0002] As a general-purpose plastic, ABS has excellent physical and mechanical properties at room temperature, and has been widely used in household appliances, automobiles and other fields for a long time. However, the structure of ABS itself also makes the material have many shortcomings, such as not being resistant to oil solvents, cracking occurs shortly after contact; not being resistant to acids and alkalis, it will swell and corrode after soaking; The saturated carbon-carbon double bond makes the material easy to oxidize and turn yellow, which eventually leads to embrittlement of the material, which limits the wide application of the material. [0003] Although ordinary PC / ABS alloys have high low-temperature impact, they still cannot improve defects such as oil resistance and acid and alkali...

AI Technical Summary

Problems solved by technology

However, the structure of ABS itself also makes the material have many shortcomings, such as not being resistant to oil solvents, cracking occurs shortly after contact; not being resistant to acids and alkalis, it will swell and corrode after soaking; Saturated carbon-carbon double bonds make the material prone to oxidation and yellowing, which eventually leads to embrittlement of the material, which limits the wide application of the material

[0003] Although ordinary PC / ABS alloys have high low-temperature impact, they still cannot improve defects such as oil resistance and acid and alkali resistance; ABS / PA alloys can improve oil resistance and weak alkali resistance, but their mechanical properties are greatly affected; ABS produced by ordinary processes Although / PC / PBT can improve oil resistance and acid and alkali resistance, the performance is unstable due to the transesterification of PC and PBT, and the crosslinking of the material is severe due to the addition of styrene-acrylonitrile-glycidyl methacrylate. Fluidity drops sharply, it is inconvenient for injection molding processing, and there are serious deficiencies