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A kind of pvc flame retardant plastic particle for wire and cable and preparation process thereof

A flame retardant plastic, wire and cable technology, applied in the field of plastic particles, can solve the problems of comprehensive performance decline, plastic particle aging, poor stability, etc., to prolong aging time, prolong service life, good heat aging resistance and natural aging resistance. Effect

Active Publication Date: 2022-02-18
常州市圣耀塑胶科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There are following defects in the prior art scheme among the above-mentioned: adopt S-65 type PVC resin powder, and PVC is relatively poor to the stability of light and heat, and it is easily subjected to external factors such as sunlight, temperature rise, oxygen in the use process, causes The overall performance is reduced or lost, resulting in the aging of plastic particles

Method used

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  • A kind of pvc flame retardant plastic particle for wire and cable and preparation process thereof
  • A kind of pvc flame retardant plastic particle for wire and cable and preparation process thereof
  • A kind of pvc flame retardant plastic particle for wire and cable and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] The raw material composition and proportion of the PVC flame-retardant plastic particles for wires and cables provided in Example 1 are shown in Table 1 in parts by weight.

[0056] Raw material composition and proportioning of table 1 embodiment 1

[0057]

[0058] Wherein, the preparation method of modified polypropylene fiber wrapping comprises the following steps:

[0059] S1: dry the polypropylene fiber of corresponding weight part to constant weight, standby;

[0060] S2: put the dried polypropylene fiber into the mixed solution of potassium dichromate:concentrated sulfuric acid:water with a mass fraction ratio of 7:150:2, and soak for 120min at 23°C;

[0061] S3: After washing, filtering and drying the polypropylene fiber after soaking, dry to constant weight to obtain the modified polypropylene fiber;

[0062] S4: Putting the modified polypropylene fiber in step S3 into a benzoethanol solution with a mass fraction of 35%, at 23°C, stir for 40min, and then s...

Embodiment 2

[0076] The raw material composition and proportion of the PVC flame-retardant plastic particles for wires and cables provided in Example 2 are shown in Table 2 in parts by weight.

[0077] Raw material composition and proportioning of table 2 embodiment 2

[0078]

[0079] Wherein, the preparation method of modified polypropylene fiber wrapping comprises the following steps:

[0080] S1: dry the polypropylene fiber of corresponding weight part to constant weight, standby;

[0081] S2: Put the dried polypropylene fiber into the mixed solution of potassium dichromate:concentrated sulfuric acid:water with a mass fraction ratio of 7:150:2, and soak for 110min at 20°C;

[0082] S3: After washing, filtering and drying the polypropylene fiber after soaking, dry to constant weight to obtain the modified polypropylene fiber;

[0083] S4: put the modified polypropylene fiber in step S3 into a benzoethanol solution with a mass fraction of 30%, at 20°C, stir for 30min, and then soak ...

Embodiment 3

[0088] The raw material composition and proportion of the PVC flame-retardant plastic particles for wires and cables provided in Example 3 are shown in Table 3 in parts by weight.

[0089] Raw material composition and proportioning of table 3 embodiment 3

[0090]

[0091]

[0092] Wherein, the preparation method of modified polypropylene fiber wrapping comprises the following steps:

[0093] S1: dry the polypropylene fiber of corresponding weight part to constant weight, standby;

[0094] S2: Put the dried polypropylene fiber into the mixed solution of potassium dichromate:concentrated sulfuric acid:water with a mass fraction ratio of 7:150:2, and soak for 130min at 25°C;

[0095] S3: After washing, filtering and drying the polypropylene fiber after soaking, dry to constant weight to obtain the modified polypropylene fiber;

[0096] S4: put the modified polypropylene fiber in step S3 into a benzoethanol solution with a mass fraction of 40%, at 25°C, stir for 50min, an...

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Abstract

The present invention relates to the technical field of plastic particles, in particular to a PVC flame-retardant plastic particle for wire and cable and a preparation process thereof, wherein a PVC flame-retardant plastic particle for wire and cable comprises the following components in parts by weight: PVC 70 ‑80 parts, tackifying resin 25‑35 parts, asbestos fiber 10‑15 parts, mica powder 8‑10 parts, talcum powder 15‑35 parts, silane coupling agent 4‑8 parts, flame retardant 3‑5 parts, 5‑15 parts of degradable microspheres. The PVC flame-retardant plastic particles for electric wires and cables provided by the invention have the effect of good aging resistance.

Description

technical field [0001] The invention relates to the technical field of plastic particles, in particular to a PVC flame-retardant plastic particle for wire and cable and a preparation process thereof. Background technique [0002] Plastic particles, commonly known as plastic particles, are raw materials for storage, transportation and processing of plastics in the form of semi-finished products. Plastic is a kind of polymer material. Ethylene, propylene, vinyl chloride, styrene, etc. can be produced from petroleum. The molecules of these substances can react with each other under certain conditions to form compounds with large molecular weight, that is, polymers. Vinyl chloride is a common plastic particle that is processed into polyvinyl chloride plastic. Polyvinyl chloride material has excellent mechanical and physical properties, flexibility, chemical resistance, cheap price, and excellent processing performance, and is widely used in the production of wires and cables an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L27/06C08L101/00C08K13/06C08K9/10C08K5/07C08K5/134C08K5/18C08K7/12C08K3/34
CPCC08L27/06C08L2201/02C08L2203/20C08L2201/08C08K2201/014C08K2201/003
Inventor 许敬稳
Owner 常州市圣耀塑胶科技有限公司