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Method of preparing antibiotic mildew-resistant foaming material for combined toy

A technology of antibacterial, antifungal, and foaming materials, which is applied in physical therapy, bathing devices, etc., to achieve the effect of improving antifungal effect, improving antibacterial and bacteriostatic rate, and inhibiting reproduction and breeding.

Inactive Publication Date: 2009-05-13
FUJIAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Searching a large number of patent documents and published research papers has not found that metallocene linear low-density polyethylene (m-LLDPE) and ethylene-vinyl acetate copolymer (EVA) are used as the main raw materials, and compound antibacterial agents, antifungal agents, Borate, 1,3-benzenedisulfonyl hydrazide, calcium silicate, stearic acid, etc., made into antibacterial and antifungal foaming materials for combination toys

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 1.6 kg of composite antibacterial agent composed of 1.1 kg of zinc-loaded zirconium phosphate with a zinc content of 4.8% and 0.5 kg of silver-loaded zirconium phosphate with a silver content of 3.6% are placed in a high-speed kneader, the control speed is 500r / min, and the temperature is 95°C After kneading for 5 minutes, add 0.15 kg of borate, surface modification treatment for 8 minutes; add 0.6 kg of tributyltin fumarate with a purity of 99.0% and 0.3 kg of sodium pentachlorophenolate with a purity of 98.5% to form an antifungal agent 0.9 kg , mixed for 5 minutes, then added 7.5kg of calcium silicate with a particle size of 5um, 0.6kg of stearic acid, and stirred and mixed for 10 minutes; placed in a pressurized internal mixer, sequentially added m-LLDPE 56kg, EVA 32kg, benzene peroxide Formyl 0.6kg, control the temperature of the internal mixer at 125°C, and plasticize in internal mixing for 12 minutes; add 1.6 kg of 1,3-benzenedisulfonyl hydrazide, and continue int...

Embodiment 2

[0014] 1.3 kg of composite antimicrobial agent composed of 0.8 kg of zinc-loaded zirconium phosphate with a zinc content of 4.8% and 0.5 kg of silver-loaded zirconium phosphate with a silver content of 3.6% are placed in a high-speed kneader, the control speed is 500r / min, and the temperature is 95°C After kneading for 5 minutes, add 0.12 kg of borate, surface modification treatment for 8 minutes; add 0.5 kg of tributyltin fumarate with a purity of 99.0% and 0.2 kg of sodium pentachlorophenolate with a purity of 98.5% to form an antifungal agent 0.7 kg , mixed for 5 minutes, then added 6kg of calcium silicate with a particle size of 10um, 0.5kg of stearic acid, and stirred for 10 minutes; placed in a pressurized internal mixer, sequentially added m-LLDPE 54kg, EVA 31kg, benzoyl peroxide Acyl 0.5kg, control the temperature of the internal mixer at 123°C, and plasticize for 12 minutes; add 1.4kg of 1,3-benzenedisulfonyl hydrazide, and continue the internal mixing for 4 minutes; p...

Embodiment 3

[0016] 1.8 kg of composite antimicrobial agent composed of 1.2 kg of zinc-loaded zirconium phosphate with a zinc content of 4.8% and 0.6 kg of silver-loaded zirconium phosphate with a silver content of 3.6% are placed in a high-speed kneader, the control speed is 500r / min, and the temperature is 96°C After kneading for 5 minutes, add 0.18 kg of borate, surface modification treatment for 8 minutes; add 0.7 kg of tributyltin fumarate with a purity of 99.0% and 0.3 kg of sodium pentachlorophenolate with a purity of 98.5% to form an antifungal agent 1.0 kg , mixed for 5 minutes, then added 9kg of calcium silicate with a particle size of 7.5um, 0.7kg of stearic acid, and stirred and mixed for 10 minutes; placed in a pressurized internal mixer, sequentially added m-LLDPE 58kg, EVA 33kg, benzene peroxide Formyl 0.7kg, control the temperature of the internal mixer at 127°C, and plasticize for 12 minutes; add 1.8kg of 1,3-benzenedisulfonyl hydrazide, and continue the internal mixing for...

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Abstract

The invention relates to a method for manufacturing a kind of foam material for antibacterial and anti-mildew about toys. The invention takes 52 ~ 60% of m-LLDPE and 29 ~ 35% of EVA as the main raw materials, and it adds 5~10% of calcium silicate, 1.2 ~ 2.0% of antibacterial agent, 0.6 ~ 1.2% of anti-mildew agent, 1.2 ~ 2.0% of 1, 3-two benzene sulfonyl hydrazine, 0.4 ~ 0.8% of benzoyl peroxide, 0.1 ~ 0.2% of borate, 0 .4 ~ 0.8% of octadecanoic acid into the main materials. The material is achieved through a surface modification, fusion of mixing, mixing by double roll, molding foam, cooling, and cutting processes. The composite antibacterial agent is composed of zinc-zirconium phosphate and silver-zirconium phosphate by weight share of 1: 0.3 ~ 0.7. The anti-mildew agent is composed of fumaric acid tributyltin and pentachlorophenol sodium by weight share of 1:0.5 ~ 0.5%.

Description

technical field [0001] The invention relates to a preparation method of a foaming material, in particular to a preparation method of an antibacterial and mildew-proof foaming material for a combination toy. Background technique [0002] With the progress of society and the improvement of people's living standards, children's toys have become an indispensable item for children to play, play, develop intelligence and cultivate interests in family daily life. In recent years, a large number of combined toys (Rubik's cube, puzzles, spelling, etc.) produced with plastic materials (polyethylene, polypropylene, polystyrene, polyvinyl chloride) have emerged in large numbers, in order to enrich children's lives, cultivate children's interest, and develop children's Intelligence and imagination work well. However, according to testing by relevant departments, after 10 days of playing with a sterilized combination toy for a child, the total number of various bacteria on the surface of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L23/06C08K5/55C08J9/00B29B7/00B29B7/28B29B7/72B29C43/24B29C43/58B29C44/60A61H33/00C08K3/34C08K5/09C08K5/14C08L23/08
Inventor 张华集张雯邱凡珠余萍
Owner FUJIAN NORMAL UNIV