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Compound formula system and use of waste foamed poly styrene plastic gel defoaming liquid

A foamed polystyrene, polystyrene technology, applied in the direction of plastic recycling, recycling technology, etc., can solve the problems of high toxicity, difficult recycling, unpleasant smell, etc., achieve high recovery rate, good physical and chemical properties, defoaming quick effect

Inactive Publication Date: 2006-08-23
高栋正 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a compound formulation system of gelled defoaming liquid for recycling waste expanded polystyrene plastics. The prior art has disadvantages such as bad smell, high toxicity and difficulty in recycling

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In a 100 ml container with a stirrer, 8.9 g of cyclohexyl acetate, 34.0 g of cyclohexyl propionate and 10.1 g of cyclohexyl butyrate were successively added, and stirred evenly at room temperature. Then, put 2 grams of ethanol, 4.7 grams of water and 0.3 grams of sodium oleate into the above container in sequence, and stir evenly at room temperature to prepare the gel defoaming treatment solution R2010-6.

Embodiment 2

[0026] In a 100 ml container with a stirrer, 14.0 g of cyclohexyl acetate and 39.0 g of cyclohexyl propionate were successively added, and stirred evenly at room temperature. Then, put 2 grams of ethanol, 4.7 grams of water and 0.3 grams of sodium oleate into the above container in sequence, and stir evenly at room temperature to prepare the gel defoaming treatment solution R2010-7.

Embodiment 3

[0028] In a 100ml container with a stirrer, put 53.0g of cyclohexyl acetate, then put in 2g of ethanol, 4.7g of water and 0.3g of sodium oleate in turn, and stir evenly at room temperature to prepare a gel defoamer Treatment solution R2010-8.

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Abstract

The composite gel defoaming system for waste polystyrene plastic consists of good solvent for polystyrene 48-97 wt%, bad solvent for polystyrene 2-50 wt% and assistant 0-3 wt%. The good solvent is high boiling point ester compound and has the advantages of no bad smell, no toxicity, no pollution, high recovery rate, low cost, etc.

Description

technical field [0001] The present invention relates to a compound formula system and application of waste foamed polystyrene (EPS) plastic gelling defoaming liquid, and more specifically relates to a recyclable and reusable waste foamed polystyrene plastic recycling gel The compound formula system of chemical defoaming liquid, the gel mass obtained by using this system of gel defoaming can be processed into recycled products with good physical and chemical properties. Background technique. [0002] EPS plastic is an important part of the plastic industry and one of the important varieties of foam plastics. EPS plastic is widely used in shock-absorbing packaging of home appliances, building heat insulation, fresh food packaging and disposable tableware because of its good shock absorption, heat insulation and hygienic properties. EPS plastics are developing rapidly at home and abroad, and domestic EPS plastic production has increased from less than 5,000 tons in 1979 to 680...

Claims

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Application Information

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IPC IPC(8): C08K5/10C08J11/08
CPCY02W30/62
Inventor 高栋正黄根龙
Owner 高栋正