Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Low-cost low-temperature plastic dipping PVC glove forming process method

A molding process, low-cost technology, applied in the direction of household components, applications, coatings, etc., can solve the problems of complex glove molding process conditions, low decomposition temperature of polyvinyl chloride, and inability to mold by dipping, so as to improve the production and working environment and conditions, good light resistance and stability, not easy to yellow and powder

Inactive Publication Date: 2020-08-28
安徽攀望科技有限公司
View PDF0 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, Chinese patents CN2016111918374, CN2018114717291, CN2019110194082, etc. all need to preheat the glove mold and the preheating temperature of the hand mold is generally controlled at 60~90℃, or even higher. The production of some PVC gloves has high temperature requirements, and the temperature in the workshop is relatively high. If you enter a workshop with a temperature of more than 20°C in winter, you need to take off the cotton clothing, and the temperature in the workshop in summer can reach above 50°C. Therefore, a large amount of energy is consumed, resulting in huge production costs, and due to the high temperature requirements, the glove molding process conditions are more complicated, and more defective products appear, and once the temperature drops, it will lead to dipping. For molding, the general baking temperature is 170~220°C
However, the decomposition temperature of polyvinyl chloride is low, and the high baking temperature creates the molding of PVC high-temperature dipped plastic gloves, but inevitable aging and degradation also occur during the high-temperature process.
Existing PVC dipped gloves use a large amount of plasticizer, and the strength is low, which is easy to cause stickiness and yellowing caused by plasticizer migration, which seriously affects the use. The thermal aging of PVC in the high temperature process leads to yellowing and holes in gloves, which seriously affect the molding of gloves

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The first step is to prepare the chloroether resin modified paste:

[0027]65 parts by weight of polyvinyl chloride, 24 parts by weight of polytrimethylene adipate, 53 parts by weight of chloroether resin, and 0.5 parts by weight of dibenzoyl peroxide were mixed at a low speed, then dispersed for 5 hours under high-speed stirring, and then added 4 parts by weight of nepheline syenite powder, 4 parts by weight of titanium dioxide, 17 parts by weight of viscosity reducer cyclohexane 1,2-diisooctyl carboxylate and 5 parts by weight of thixotropic agent sericite powder, 4000rpm / min rotating speed Disperse evenly and use it to make the modified paste of chloroether resin; the second step, the preparation of allyl resin prepolymer microcapsules: 24 parts by weight of ethylene glycol dicarbonate diallyl are dispersed in 31 parts by weight 1,000,000,000,000,000,000,000,000,000,0,0,0,0,0,0,0,0,0,0 and 1,0,000,000,000,000,000,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,, an...

Embodiment 2

[0029] The first step, the preparation of allyl resin prepolymer microcapsules: disperse 24 parts by weight of allyl resin in 25 parts by weight of xylene, add 14 parts of chloroether resin to obtain A solution, then add 0.1 parts by weight of water-soluble Initiator potassium persulfate and 0.1 weight part of emulsifier octylphenol polyoxyethylene ether maleic acid monoester are dissolved in 20 weight parts of water to obtain B solution, B solution and A solution are mixed, at 10000rpm / minute high shear Stir in an emulsifier at 75°C for 10 minutes, then stir at a low speed of 100rpm / min for 2 minutes, remove xylene, filter, and dry at 45°C for 24 hours to obtain propylene-based resin prepolymer microcapsules; the second step is to prepare chlorine Ether resin modified paste: 17 parts by weight of polyester plasticizer polytrimethylene sebacate, 58 parts by weight of polyvinyl chloride, 49 parts by weight of chloroether resin, and 0.1 part by weight of azobisisobutyronitrile we...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the field of high polymer materials, and especially relates to a low-cost low-temperature plastic dipping PVC glove forming process method. The low-temperature plastic dippingPVC glove forming process method uses chloro-ether resin and allyl resin monomers, low-temperature plastic dipping of PVC gloves is realized through in-situ polymerization and synchronous crosslinking, the preparation cost is low, a hand mold does not need to be preheated, high temperature production environment is not needed, energy consumption is low, the production working environment and conditions are improved, the prepared PVC gloves are more durable, good in sealing performance, free of peculiar smell, large in elasticity, resistant to acids and alkalis, convenient and comfortable to wear, integrally formed, non-sticky, convenient and safe, free of natural latex allergic protein and free of anaphylactic reaction, and the strength, the corrosion resistance and the hygienic propertyare improved.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, in particular to a low-cost low-temperature plastic dipping PVC glove forming process. Background technique [0002] The dipping method is used to manufacture products such as high boots, footwear, toys, water pump diaphragms, spark plug covers, hoses and screw sheaths, as well as rubber coverings and work gloves. Basically, this method involves dipping a positive mold into a fluid or diluted plastisol and then plasticizing the coating that adheres to the mold. Typical plastic dipping equipment is a conveyor line passing through a preheating oven, dipping station, plasticizing oven, cooling station and stripping station. A preheat oven is used to heat the molds prior to dipping. Although in some cases the mold is dipped at room temperature, it is generally preheated to control the thickness of plastisol that builds up on the mold. For most applications, the mold is heated prior to di...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L67/02C08L31/00C08K3/34C08K3/22C08K5/12C08K13/02C08F259/04C08F218/00B29C41/00B29C41/14
CPCB29C41/003B29C41/14B29L2031/4864C08F259/04C08K2003/2241C08K2201/014C08L27/06C08L2201/04C08L2205/025C08L2205/035C08L67/02C08L31/00C08K3/34C08K3/22C08K5/12C08K13/02C08F218/24
Inventor 田雪伟
Owner 安徽攀望科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products