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Method for preparing light spongy mass quickly

A sponge, fast technology, applied in the field of sponge, can solve the problem of product emphasis on preparation time, etc., and achieve the effect of short extrusion demoulding time, reducing energy consumption and saving production cost

Inactive Publication Date: 2007-09-26
叶远鸿
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some applications, the product is heavy and takes too long to prepare

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The detailed technical scheme of the present invention is specifically described below in conjunction with embodiment:

[0023] A quick preparation method of a light-duty sponge body, comprising: (1) putting foam plastics of various shapes and sizes into a shredder to shred, and controlling the mesh diameter of the filter screen at the outlet of the shredder to be about 1 cm. ②According to the following proportions by mass: 70% of polyether polyol, 29% of tolylene diisocyanate, and 1.0% of stannous octoate, fully mixed and stirred evenly to prepare the adhesive. ③ Take 78% of the chopped foam plastics and 22% of the adhesive according to the mass percentage and put them into a mixer to fully stir and mix them, then put them into a special container for extrusion molding, and control the extrusion demoulding time to 4 hours. After demoulding, a lightweight sponge with good elasticity, softness, moderate durability is obtained.

Embodiment 2

[0025] A quick preparation method of a light-duty sponge body, ① put foam plastics with different shapes and larger fragments into a shredder to shred, and control the mesh diameter of the filter screen at the discharge port of the shredder to be about 5 centimeters. ②According to the following proportions by mass percentage: 80% polyether polyol, 19.5% tolylene diisocyanate, 0.5% stannous octoate, fully mixed and stirred uniformly in sequence to prepare the adhesive. ③ Take 93% of the chopped foam plastics and 7% of the adhesive according to the mass percentage and put them into a mixer to stir and mix them, then put them into a special container for extrusion molding, and control the extrusion demoulding time to 6 hours. After demoulding, a lightweight sponge with good elasticity, softness, moderate durability is obtained.

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PUM

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Abstract

The fast preparation method for light spongy mass comprises: selecting 75-95% foam plastic and 5-25% adhesive; then, mixing, stirring, bonding, and extruding. The product has light mass for load and transport and well elasticity. This invention cuts period, and saves cost

Description

technical field [0001] The invention relates to a sponge, which belongs to the improvement technology of the preparation method of the sponge. Background technique [0002] At present, in the process of manufacturing and using various sponge products and foam rubber products, I have proposed "A Kind of Sponge" for some leftovers that cannot be used normally or have high recycling costs. Preparation method, patent number: 02143855.2. To make full use of various sponge products and scraps produced during the manufacturing and use of foam rubber products, rationally use raw materials, avoid waste of resources, reduce pollution, protect the environment, and prevent the destruction of natural ecology. The preparation method consists of foamed plastics of various shapes and sizes, fragments of foamed rubber and adhesives in mass percentage: 5%-90% of foamed plastics, 5%-80% of foamed rubber, and 5%-15% of adhesives % It is made by stirring, mixing, bonding and extruding. Althou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J9/33B29C67/20
Inventor 叶远鸿
Owner 叶远鸿