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Preparation method of SEBS (styrene-ethylene-butadiene-styrene) nano SiO2 vermin-proof PE (polyethylene) grain storage bag

A nanometer and grain storage technology, which is applied in the direction of flexible coverings, packaging, wrapping paper, etc., can solve the problems of stored grains such as insects, and achieve the effect of low preparation cost, convenient use, economical and practical production equipment

Inactive Publication Date: 2013-03-13
YANTAI BETTER PLASTIC CHEM PRODS
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Problems solved by technology

[0003] The invention provides a SEBS nano-SiO 2 The preparation method of non-infested PE grain storage bags solves the problem of storing grain infested in the background technology

Method used

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Embodiment Construction

[0015] The preparation method of the present invention is further described below: a kind of SEBS nano-SiO 2 The preparation method of PE grain storage bag free from pests comprises the following processes:

[0016] (1), making nano-SiO 2 Particles: 1.8% micro-SiO 2 The particles are dissolved into the liquid carrier and form a suspended state under the action of the electrode for use;

[0017] (2) Prepare the following materials: 120 parts of SEBS resin, 130 parts of rubber filling oil, 140 parts of polypropylene resin, 1.2 parts of lubricant, 0.9 parts of anti-aging agent, nano-SiO 2 2 parts of granules are spare;

[0018] (3) Fully absorb SEBS resin with rubber filling oil, and then mix with polypropylene resin, lubricant, anti-aging agent and other materials and nano-SiO 2 The granules are mixed evenly in a mixer, and granulated with a twin-screw extruder;

[0019] (4) The film is extruded in a special plastic extrusion blown film machine, and then processed by sortin...

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Abstract

The invention provides a preparation method of an SEBS (styrene-ethylene-butadiene-styrene) nano SiO2 vermin-proof PE (polyethylene) grain storage bag, which comprises the following steps: (1) preparation of nano SiO2 particles: dissolving 1.6-2.0% minitype SiO2 particles in a liquid carrier, and forming a suspended state for later use under the action of electrodes; (2) preparing 120 parts of SEBS resin, 130 parts of rubber filling oil, 120-150 parts of polypropylene resin, 0.9-1.5 parts of lubricant, 0.7-1 part of antioxidant and 1.5-2.5 parts of nano SiO2 particle; (3) enabling the SEBS resin to sufficiently absorb the rubber filling oil, evenly mixing with the polypropylene resin, lubricant, antioxidant, nano SiO2 particles and other materials in a mixer, and granulating with a double screw extruder; and (4) extruding with a special plastic extrusion inflation film manufacturing machine to form a film, finishing, printing, sealing, cutting, and bagging to obtain the SEBS nano SiO2 vermin-proof PE grain storage bag. The environment-friendly SEBS nano SiO2 vermin-proof PE grain storage bag provided by the invention has the advantages of wide application range and the like, is convenient to use, and is vermin-proof, environment-friendly, economical and practical.

Description

technical field [0001] The invention belongs to the technical field of food storage packaging, in particular to a SEBS nano-SiO 2 The invention discloses a preparation method of a PE grain storage bag free of insects. Background technique [0002] Grain storage and packaging are generally made of traditional cloth bags, sacks, ordinary woven bags, plastic bags and other materials, because there are a large number of parasite eggs in the grain itself, and after the summer temperature is suitable, a large number of parasites such as beetles and meat worms will be parasitized , making it inedible for humans. Such as rice, wheat, corn and other grains and processed noodles. Because there are no high-tech packaging containers among the people, insect pests are produced, and the waste phenomenon is very alarming, and every family is deeply affected by it. Contents of the invention [0003] The invention provides a SEBS nano-SiO 2 The preparation method of the insect-free PE ...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L53/02C08L91/00C08K9/00C08K3/36B65D65/38
Inventor 王强
Owner YANTAI BETTER PLASTIC CHEM PRODS
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