阅读说明：本技术 一种回收塑料复合材料生产工艺 (Production process of recycled plastic composite material ) 是由 刘永怀 于 2018-05-28 设计创作，主要内容包括：本发明提供一种回收塑料复合材料生产工艺,其按照质量百分比,包括：回收EVA塑料30％-80％,石粉20％-50％。优选地,所述配方按照质量百分比,包括：回收EVA塑料含量为：大于70％且小于或等于80％,石粉含量为：大于或者等于20％且小于30％。该回收塑料包括：回收EVA(乙烯-醋酸乙烯酯共聚物)、回收PP(氯化聚丙烯)；回收PVC(聚氯乙烯)、回收PE(聚乙烯)本发明提供的回收塑料复合材料的配方,可以提高各类产品的韧性、强度、表面光滑度、耐温性能、电渡性能,通过油(液)压机压制,可以提高生产率,降低劳动强度,可以降低各类型产品材料成本,减少环境污染。(the invention provides a production process of a recycled plastic composite material, which comprises the following steps of: 30-80% of recycled EVA plastic and 20-50% of stone powder. Preferably, the formula comprises the following components in percentage by mass: the content of the recycled EVA plastic is as follows: more than 70% and less than or equal to 80%, stone powder content: greater than or equal to 20% and less than 30%. The recycled plastic comprises: recovering EVA (ethylene-vinyl acetate copolymer) and PP (chlorinated polypropylene); the formula of the recycled plastic composite material provided by the invention can improve the toughness, strength, surface smoothness, temperature resistance and electric plating property of various products, and can improve the productivity, reduce the labor intensity, reduce the material cost of various products and reduce the environmental pollution by pressing through an oil (hydraulic) press.)

1. The production process of the recycled plastic composite material is characterized by comprising the following steps of: 50-80% of recycled plastic and 20-50% of heavy calcium carbonate;

2. The formulation of claim 1, wherein the recycled plastic is: one or a mixture of any more of EVA recovery, PP recovery, PVC recovery and PE recovery in any proportion;

3. The formulation of claim 1, comprising, in mass percent: the content of the recycled plastic is as follows: more than 70 percent and less than or equal to 80 percent, the content of the heavy calcium carbonate is as follows: greater than or equal to 20% and less than 30%;

4. The formulation of claim 1, comprising, in mass percent: the content of the recycled plastic is as follows: more than 60% and less than or equal to 70%, the content of heavy calcium carbonate is: greater than or equal to 30% and less than 40%;

5. The formulation of claim 1, comprising, in mass percent: the content of the recycled plastic is as follows: more than 50 percent and less than or equal to 60 percent, and heavy calcium carbonate more than or equal to 40 percent and less than 50 percent;

6. the formulation of claim 1, comprising, in mass percent: the content of the recycled plastic is as follows: more than 40% and less than or equal to 50%, the content of heavy calcium carbonate is: greater than or equal to 50% and less than 60%;

7. The formulation of claim 1, comprising, in mass percent: the content of the recycled plastic is as follows: more than 30 percent and less than or equal to 40 percent, and the content of the heavy calcium carbonate is as follows: greater than or equal to 60% and less than 70%;

8. The formulation according to any of claims 1 to 7, wherein 1% to 15% by weight of talc, based on the weight of the formulation according to any of claims 1 to 7, is added to the formulation according to any of claims 1 to 7.

Technical Field

The invention relates to the technical field of resin artware, in particular to a method for recycling EVA (ethylene-vinyl acetate copolymer) and PP (chlorinated polypropylene); a production process of a composite material for recovering PVC (polyvinyl chloride) and PE (polyethylene).

Background

At present, the resin artware and related industries generally have the defects of high raw material cost, manual repair and polishing of blanks, low production efficiency and limited mold turning times (about 300 times) of the used Silikan mold. The resin artware has lower toughness.

disclosure of Invention

the invention provides a method for improving the toughness, strength, surface smoothness, temperature resistance and electric plating property of various products, improving the labor production efficiency and reducing the environmental pollution.

In order to achieve the purpose, the invention provides the following technical scheme:

A production process of a recycled plastic composite material comprises the following steps of:

30-80% of recycled plastic and 20-70% of ground calcium carbonate.

Preferably, the recycled plastic is: one or a mixture of any more of EVA (ethylene-vinyl acetate copolymer), PP (chlorinated polypropylene), PVC (polyvinyl chloride) and PE (polyethylene) is recycled.

Preferably, the production process comprises the following steps of: the contents are as follows: more than 70 percent and less than or equal to 80 percent, the content of the heavy calcium carbonate is as follows: greater than or equal to 20% and less than 30%.

Preferably, the production process comprises the following steps of: the content of the recycled plastic is as follows: more than 60% and less than or equal to 70%, the content of heavy calcium carbonate is: greater than or equal to 30% and less than 40%.

Preferably, the production process comprises the following steps of: the content of the recycled plastic is as follows: more than 50 percent and less than or equal to 60 percent, and heavy calcium carbonate more than or equal to 40 percent and less than 50 percent.

Preferably, the production process comprises the following steps of: the content of the recycled plastic is as follows: more than 40% and less than or equal to 50%, the content of heavy calcium carbonate is: greater than or equal to 50% and less than 60%.

Preferably, the production process comprises the following steps of: the content of the recycled plastic is as follows: more than 30 percent and less than or equal to 40 percent, and the content of the heavy calcium carbonate is as follows: greater than or equal to 60% and less than 70%.

Preferably, according to the requirements of products, 1 to 15 percent of talcum powder is added in any production process.

Through implementing above technical scheme, have following technological effect: the production process of the recycled plastic composite material can improve the toughness, strength, surface smoothness, temperature resistance and electric plating property of various products, can improve the productivity and reduce the labor intensity by pressing through an oil (hydraulic) press, and can reduce the material cost of various products and reduce the environmental pollution.

Detailed Description

in order to better understand the technical solution of the present invention, the following detailed description is provided of the examples provided by the present invention.

The embodiment of the invention provides a production process of a recycled plastic composite material, which comprises the following steps of:

30-80% of recovered EVA plastic and 20-70% of ground calcium carbonate.

Preferably, the recycled plastic is: one or a mixture of any more of EVA (ethylene-vinyl acetate copolymer), PP (chlorinated polypropylene), PVC (polyvinyl chloride) and PE (polyethylene) in any proportion is recycled.

In the above embodiment, more specifically, the production process of the high-toughness recycled plastic composite material comprises the following steps by mass percent: the content of the recycled plastic is as follows: more than 70 percent and less than or equal to 80 percent, the content of the heavy calcium carbonate is as follows: greater than or equal to 20% and less than 30%.

The production process 1: 80% of recycled plastic and 20% of ground calcium carbonate.

The production process 2 comprises the following steps: 71% of recycled plastic and 29% of ground calcium carbonate.

The production process 3: 75% of recycled plastic and 25% of ground calcium carbonate.

the production process of the secondary high-toughness recycled plastic composite material comprises the following steps of: the content of the recycled plastic is as follows: more than 60% and less than or equal to 70%, the content of heavy calcium carbonate is: greater than or equal to 30% and less than 40%.

The production process 4 comprises the following steps: 70 percent of recovered EVA plastic and 30 percent of ground calcium carbonate.

the production process 5: 65% of EVA plastic and 35% of ground calcium carbonate are recycled.

The production process 6 comprises the following steps: 61% of EVA plastic and 39% of ground calcium carbonate are recovered.

The production process of the medium-toughness recycled plastic composite material comprises the following steps of: the content of the recycled plastic is as follows: more than 50 percent and less than or equal to 60 percent, and heavy calcium carbonate more than or equal to 40 percent and less than 50 percent.

The production process 7 comprises the following steps: 60% of EVA plastic is recovered, and 40% of ground calcium carbonate is recovered.

The production process 8: 55% of recycled EVA plastic and 45% of ground calcium carbonate.

The production process 9: 51% of recovered EVA plastic and 49% of ground calcium carbonate.

The production process of the secondary toughness recycled plastic composite material comprises the following steps of: the content of the recycled plastic is as follows: more than 40% and less than or equal to 50%, the content of heavy calcium carbonate is: greater than or equal to 50% and less than 60%.

the production process 10: 50% of EVA plastic is recovered, and 50% of ground calcium carbonate is recovered.

The production process 11 comprises the following steps: 45% of EVA plastic and 55% of ground calcium carbonate are recycled.

The production process 12: 39% of recovered EVA plastic and 61% of ground calcium carbonate.

The production process of the low-toughness recycled plastic composite material comprises the following steps of: the content of the recycled plastic is as follows: more than 30 percent and less than or equal to 40 percent, and the content of the heavy calcium carbonate is as follows: greater than or equal to 60% and less than 70%.

The production process 13 comprises the following steps: 40% of EVA plastic is recycled, and 60% of ground calcium carbonate is recycled.

the production process 14 comprises the following steps: 35% of EVA plastic and 65% of ground calcium carbonate are recycled.

The production process 15 comprises the following steps: 31 percent of EVA plastic and 69 percent of ground calcium carbonate are recycled.

In the above embodiments, preferably, in each of the above embodiments, talc powder in an amount of 1% to 15% by weight of the above production process may be further added in the above production process according to the requirement of the product, so as to increase the smoothness of the surface of the product.

The manufacturing method of the composite material comprises the following steps: fully stirring the recycled plastic granules and the heavy calcium carbonate according to the production process, and uniformly mixing to obtain a composite material; inputting the composite material into a screw type electric heating melting machine for heating and further mixing, and rotationally pushing the composite material which is heated into a thick state to an outlet by a screw; taking down the thick composite material from the outlet, and conveying the thick composite material into a steel mould of a working platform of an oil press or a hydraulic press according to the volume of the mould to perform strong pressing; and the thick composite material is cooled in the steel mould and then is completely put into water so as to complete the hot press molding of the composite material. The production process is used in the resin handicraft industry: such as manufacturing flowerpots, photo frames, desk lamp holders, garden fences, garden guardrails, boli artware and the like; the unsaturated resin handicraft industry; the gift industry; the furniture decoration industry; the architectural decoration industry; buddha statue handicraft; the artificial animal and plant sculpture is used as material for making various products.

While the above embodiments of the present invention have been described in detail with reference to the drawings, it will be understood by those skilled in the art that the same are not limited to the details of the embodiments and applications illustrated herein.