Unlock instant, AI-driven research and patent intelligence for your innovation.

A low-shrinkage wear-resistant layer and its preparation method

A wear-resistant layer, low shrinkage technology, applied in the field of PVC wear-resistant layer preparation, can solve the problems of long turnaround time, high labor cost and energy consumption, weakening competitiveness, etc., to reduce internal stress and solve uneven shrinkage rate , to solve the effect of high shrinkage

Active Publication Date: 2021-04-13
DECORIA MATERIALS JIANGSU CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production process is not only complicated and has a long turnaround time, but also has high labor costs and energy consumption, which weakens the competitiveness of enterprises

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

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A low-shrinkage wear-resistant layer and its preparation method
  • A low-shrinkage wear-resistant layer and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A low-shrinkage wear-resistant layer, comprising the following preparation raw materials by weight: 100 parts of polyvinyl chloride, 30 parts of plasticizer, 1 part of epoxy soybean oil, 2.5 parts of calcium stearate, 2 parts of zinc stearate, 0.3 parts of acrylic acid derivatives. The plasticizer is specifically dioctyl phthalate; the methacrylic acid derivative is specifically methyl methacrylate.

[0025] Using the above formula to prepare the low shrinkage wear-resistant layer, the specific method is as follows:

[0026] (1) Take each raw material of corresponding weight portion, add polyvinyl chloride, plasticizer, epoxy soybean oil, calcium stearate, zinc stearate, methacrylic acid derivative to high-speed mixer, set temperature at 100°C, mix and stir evenly at a speed of 200r / min;

[0027] (2) Start the cold mixing after reaching 100°C, unload the materials in the high-speed mixer to the cold mixer, and stir in the cold mixer for 10 minutes; unload the cold mix...

Embodiment 2

[0033] A low-shrinkage wear-resistant layer, comprising the following preparation raw materials by weight: 100 parts of polyvinyl chloride, 20 parts of plasticizer, 2 parts of epoxy soybean oil, 1 part of calcium stearate, 3 parts of zinc stearate, formazan 0.1 parts of acrylic acid derivatives. The plasticizer is specifically dioctyl adipate; the methacrylic acid derivative is specifically isobutyl methacrylate.

[0034] Using the above formula to prepare the low shrinkage wear-resistant layer, the specific method is as follows:

[0035] (1) Take each raw material of corresponding weight portion, add polyvinyl chloride, plasticizer, epoxy soybean oil, calcium stearate, zinc stearate, methacrylic acid derivative to high-speed mixer, set temperature at 105°C, mix and stir evenly at a speed of 230r / min;

[0036] (2) Start the cold mixing after reaching 105°C, unload the materials in the high-speed mixer to the cold mixer, and stir in the cold mixer for 10 minutes at the same t...

Embodiment 3

[0042] A low-shrinkage wear-resistant layer, comprising the following preparation raw materials by weight: 100 parts of polyvinyl chloride, 30 parts of plasticizer, 3 parts of epoxy soybean oil, 3 parts of calcium stearate, 1 part of zinc stearate, formazan 0.5 parts of methacrylic acid derivatives; the plasticizer is specifically dioctyl phthalate; the methacrylic acid derivatives are specifically hydroxyethyl methacrylate.

[0043] Using the above formula to prepare the low shrinkage wear-resistant layer, the specific method is as follows:

[0044] (1) Take each raw material of corresponding weight portion, add polyvinyl chloride, plasticizer, epoxy soybean oil, calcium stearate, zinc stearate, methacrylic acid derivative to high-speed mixer, set temperature at 120°C, mix and stir evenly at a speed of 250r / min;

[0045] (2) Start the cold mixing after reaching 120°C, unload the materials in the high-speed mixer to the cold mixer, and stir in the cold mixer for 10 minutes; u...

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 discloses a low-shrinkage wear-resistant layer and a preparation method thereof, which are prepared by using polyvinyl chloride, plasticizer, epoxy soybean oil, calcium stearate, zinc stearate, methacrylic acid derivatives and fillers ;Compared with the prior art, it has the following advantages: 1) In the five-roll calendering process, the method of low draft ratio is adopted to increase the temperature of the calendering process, increase the overall uniformity of the thickness of the wear-resistant layer, and improve the appearance performance; 2) Reasonably adjust the draft ratio in the cooling process, so as to reduce the internal stress between PVC molecules and solve the problem of high shrinkage of the wear-resistant layer; 3) The tension control method is used instead of the speed control method to make the wear-resistant layer The traction force is always equal, resulting in uneven shrinkage of the transparent sheet; 4) reducing the content of epoxy soybean oil and increasing the hardness of the wear-resistant layer can reduce its shrinkage and improve the appearance of the wear-resistant layer.

Description

technical field [0001] The invention relates to the field of preparation of a PVC wear-resistant layer, in particular to a low-shrinkage wear-resistant layer and a preparation method thereof. Background technique [0002] Plastic (PVC) flooring is a high-grade and environmentally friendly decorative material with excellent properties such as light weight, sound insulation, wear resistance, high elasticity, strong impact resistance, waterproof and moisture resistance, and has a very good market prospect in overseas developed countries. [0003] PVC flooring is mostly formed by hot pressing, and its production process mainly includes film production, wear-resistant layer production, and floor production. Among them, the wear-resistant layer production mainly includes mixing, extrusion, refining (filtering), calendering, cooling, and shrink Rolling, primary tempering, secondary tempering, bonding and many other processes. The production process is not only complicated and has ...

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 Patents(China)
IPC IPC(8): C08L27/06C08L91/00C08K5/04C08K5/098C08K5/101C08K5/103B29B7/00B29C59/04
CPCB29B7/002B29C59/04C08K2201/014C08L27/06C08L91/00C08K5/04C08K5/098C08K5/101C08K5/103
Inventor 韦余康董玉娇魏燕倪清兰陆伟李进
Owner DECORIA MATERIALS JIANGSU CO LTD