High-strength plastic packaging bag

By using the composite structure of component A and component B in plastic packaging bags, the problem of release of harmful substances and insufficient strength at high temperatures is solved, and high-strength and low-cost plastic packaging bags are realized, improving product safety and market competitiveness.

CN109233060AInactive Publication Date: 2019-01-18SUZHOU QIYA PLASTIC IND CO LTD
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Patent Information

Application Number
CN201811085268.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2018-09-18
Publication Date
2019-01-18
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing plastic packaging bags release harmful substances at high temperatures and lack strength, making it difficult to balance plasticity and safety.

Method used

Design a high-strength plastic packaging bag using a composite structure of component A and component B. Component A includes polyethylene particles, calcium carbonate powder, sodium stearate, colloid and composite antibacterial agent, and component B includes polyethylene particles, calcium carbonate powder, sodium stearate, colloid and composite antibacterial agent. Tetrafluoroethylene, starch, plasticizer, stabilizer and diphenylmethane diisocyanate, the mixing ratio is 1:1~1:3.

Benefits of technology

On the premise of ensuring toughness and safety, the strength of plastic packaging bags is improved, production costs are reduced, and market competitiveness is enhanced.

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Abstract

The invention discloses a high-strength plastic packaging bag which comprises a component A and a component B, wherein the component A contains the following materials in parts by weight: 30-50 partsof polyethylene particles, 20-30 parts of calcium carbonate powder, 9-21 parts of sodium stearate, 5-10 parts of colloid, 2-7 parts of compound antibacterial agent and 2-6 parts of bulking agent; thecomponent B contains the following materials in parts by weight: 20-40 parts of polytetrafluoroethylene, 3-7 parts of starch, 2-4 parts of plasticizer, 3-5 parts of stabilizer, 18-32 parts of diphenylmethane diisocyanate and 5-11 parts of plant ash; the mixing ratio of component A to component B is at (1:1)-(1:3). According to the invention, the two components are compounded, so that the plastic packaging bag has ultrahigh strength under the condition of guaranteeing toughness, and meanwhile, the production cost is low and the plastic packaging bag has strong market competitiveness.
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