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Multilayered compound yoga mat and production process thereof

A multi-layer composite and yoga mat technology, which is applied in the direction of layered products, synthetic resin layered products, chemical instruments and methods, etc., can solve the problems of poor comfort and softness of yoga

Active Publication Date: 2018-12-11
HUBEI XIANGYUAN NEW MATERIAL TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has excellent anti-slip performance, but the softness is not good, and the comfort of yoga is worse than that of TPE mats

Method used

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  • Multilayered compound yoga mat and production process thereof
  • Multilayered compound yoga mat and production process thereof
  • Multilayered compound yoga mat and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0087] 1) Preparation of PP / EPDM masterbatch

[0088] a. Weigh polypropylene resin PP, EPDM EPDM, dicumyl peroxide DCP, vulcanizing agent, auxiliary crosslinking agent, composite antioxidant and activated carbon according to the ratio of raw materials of the above-mentioned PP / EPDM substrate ;

[0089] b. First, dry the polypropylene resin PP and EPDM at a temperature of 70-90°C for 2-4 hours, and then dry the dicumyl peroxide DCP, vulcanizing agent, co-crosslinking agent, and composite antioxidant Fully mix with activated carbon in a high-speed mixer to obtain a mixture, and then add the dried polypropylene resin PP and EPDM and the mixture to the internal mixer to fully mix, and single-screw extrusion granulation to obtain PP / EPDM masterbatch;

[0090] 2) Preparation of POE foam substrate

[0091] a. Take by weighing ethylene-octene copolymer POE, polyethylene, ethylene-vinyl acetate copolymerized EVA, foaming agent, modifier and composite antioxidant by weight and number ...

Embodiment 1

[0178] Multi-layer composite yoga mat 1, said multi-layer composite yoga mat 1 comprises polyethylene foam layer, POE foam layer and PP / EPDM substrate successively from top to bottom, wherein,

[0179] The raw materials of the PP / EPDM substrate include 60 parts by weight of polypropylene resin PP, 40 parts of EPDM terpolymer, 1.5 parts of dicumyl peroxide DCP, 2 parts of vulcanizing agent, 6 parts Auxiliary cross-linking agent, 0.8 parts of composite antioxidant and 1.2 parts of activated carbon; wherein,

[0180] Polypropylene resin PP is composed of homopolypropylene, block copolymerized polypropylene and random copolymerized polypropylene, wherein the weight ratio of homopolypropylene, block copolymerized polypropylene and random copolymerized polypropylene is 1:3:6; The melting temperature (DSC) of polypropylene resin PP is 145-195°C, and the melt flow rate is 1.0-3.0g / 10min;

[0181] The vulcanizing agent is composed of sulfur and phenolic resin, wherein the weight ratio...

Embodiment 2

[0213] Multi-layer composite yoga mat 2, it comprises polyethylene foam layer, POE foam layer and PP / EPDM substrate successively from top to bottom, wherein,

[0214] The raw materials of the PP / EPDM substrate include 30 parts of homopolypropylene, 70 parts of EPDM, 1.6 parts of dicumyl peroxide DCP, 1 part of phenolic resin, 5 parts Pentaerythritol triacrylate, 2 parts of composite antioxidant and 1 part of activated carbon;

[0215] Wherein, in the compound antioxidant, the weight ratio of antioxidant 1010 and antioxidant DSTP is 2:1;

[0216] The raw materials of the POE foam layer include 70 parts by weight of ethylene-octene copolymer POE, 10 parts of mixed low-density polyethylene, 10 parts of ethylene-vinyl acetate copolymerized EVA, and 1 part of POE layer hair. Foaming agent, 2 parts of zinc acetate and 0.5 part of composite antioxidant;

[0217] Among them, mixed low-density polyethylene is formed by mixing low-density polyethylene and linear low-density polyethyle...

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Abstract

The invention discloses a multilayered compound yoga mat and a production process thereof. The multilayered compound yoga mat successively comprises a polyethylene foamed layer, a POE foamed layer anda PP / EPDM base plate from top to bottom. The process comprises the following steps: extruding PP / EPDM masterbatch to PP / EPDM sheets through a twin-screw extruder; putting a POE foamed master slice ina foaming furnace to be freely foamed to obtain POE foamed sheets; thermally compounding uncooled PP / EPDM sheets and the POE foamed sheets on a calender bowl to obtain double-layered compound sheets;and finally, foaming the polyethylene foamed master slice freely to obtain the PE foamed sheets, and laminating the PE foamed sheets to the double-layered compound sheets to trim and roll to obtain the multilayered compound yoga mat. By adopting PP / EPDM as the base plate, the friction force of the yoga mat to the ground during use is increased, so that an anti-skid action is played compared withother rubber base plates.

Description

Technical field [0001] The invention relates to the field of polymer materials, and specifically refers to a multi-layer composite yoga mat and its production process. Background technique [0002] Yoga, as an ancient form of exercise, is favored by more and more people because it can improve people's physical, mental, emotional and spiritual abilities in the fast-paced and stressful life of modern people. When performing yoga, you need to use a yoga mat. Generally, yoga mats are made of one or more of NBR, PVC, TPE, natural rubber, linen + PVC or natural rubber. [0003] NBR yoga mat has excellent oil resistance, high wear resistance, good heat resistance and strong adhesion. Its shortcomings are poor low temperature resistance, poor ozone resistance, poor insulation performance, slightly low elasticity, too thick and too soft, and unstable. PVC yoga mats are made of PVC foam. The material itself is harmless to the human body, but the main auxiliary materials such as plas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/14C08L53/00C08L23/16C08L23/06C08L23/08C08J9/10C08J9/08B32B27/08B32B27/32B32B27/30B32B27/06B32B27/18
CPCB32B27/06B32B27/08B32B27/18B32B27/30B32B27/32B32B2307/51B32B2307/554C08J9/0095C08J9/08C08J9/103C08J2203/02C08J2203/04C08J2323/08C08J2423/06C08J2423/08C08L23/14C08L2205/035C08L53/00C08L23/12C08L23/16
Inventor 夏紫阳魏琼
Owner HUBEI XIANGYUAN NEW MATERIAL TECH INC
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