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TPV easy for ink dyeing and printing and preparation method thereof

A technology of ink and white oil, which is applied in the field of easy ink printing and dyeing TPV, can solve the problems of ink printing not firm, poor wear resistance, ink printing and dyeing difficulties, etc., and achieve the effect of improving elasticity, good printing effect and less volatilization

Inactive Publication Date: 2021-01-08
江苏金陵奥普特高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] At the same time, for some products that need to be marked and marked, special inks need to be used for printing, but for TPV, because it is a non-polar substance, ink printing and dyeing is difficult, ink printing is not firm, and wear resistance is poor

Method used

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  • TPV easy for ink dyeing and printing and preparation method thereof
  • TPV easy for ink dyeing and printing and preparation method thereof
  • TPV easy for ink dyeing and printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 50 parts of EPDM, 20 parts of white oil, 10 parts of PP, 6 parts of grafted PP, 10 parts of CaCO3, 10 parts of EVA, 0.5 parts of DCP, 1 part of TATC, 0.5 parts of antioxidant, 0.5 parts of light stabilizer, surface modification 2 doses.

[0043] 1. After weighing EPDM, PP, grafted PP, EVA, and CaCO3 on an electronic balance according to the above formula, put them into a low-speed stirring pot, add antioxidants, light stabilizers, and surface modifiers at the same time, and stir for 3 minutes.

[0044] 2. Put the mixture evenly stirred in 1 into a twin-screw extruder with an aspect ratio of 56, rotate at a speed of 300 rpm, and plasticize at a temperature of 180°C, and granulate to form a premix.

[0045] 3. The cross-linking agent DCP and auxiliary cross-linking agent TAIC weighed according to the above formula are added to a high-speed stirring pot at 500-600 rpm, and mixed for 3 minutes.

[0046] 4. Add the mixture obtained in 3 into a twin-screw extruder with an as...

Embodiment 2

[0048] 60 parts of EPDM, 25 parts of white oil, 15 parts of PE, 6 parts of grafted PE, 10 parts of EMA, 0.5 parts of BIBP, 1 part of TMPTA, 0.5 parts of antioxidant, 0.5 parts of light stabilizer, and 2 parts of surface modifier.

[0049] After weighing EPDM, PP, grafted PP, EVA, CaCO3, according to the above formula on an electronic balance, put them into a low-speed stirring pot, add antioxidants, light stabilizers, and surface modifiers at the same time, and stir for 3 minutes.

[0050] 2. Put the mixture evenly stirred in 1 into a twin-screw extruder with an aspect ratio of 56, rotate at a speed of 300 rpm, and plasticize at a temperature of 180°C, and granulate to form a premix.

[0051] 3. The cross-linking agent DCP and auxiliary cross-linking agent TAIC weighed according to the above formula are added to a high-speed stirring pot at 500-600 rpm, and mixed for 3 minutes.

[0052] 4. Add the mixture obtained in 3 into a twin-screw extruder with an aspect ratio of 52 for ...

Embodiment 3

[0054] 50 parts of EPDM, 20 parts of white oil, 10 parts of PP, 6 parts of grafted PP, 10 parts of CaCO3, 5 parts of EMA, 5 parts of EVA, 0.5 parts of DCP, 1 part of TATC, 0.5 parts of antioxidant, 0.5 parts of light stabilizer , 2 parts of surface modifier.

[0055] 1. After weighing EPDM, PP, grafted PP, EMA, and CaCO3 on an electronic balance according to the above formula, put them into a low-speed stirring pot, add antioxidants, light stabilizers, and surface modifiers at the same time, and stir for 3 minutes.

[0056] 2. Put the mixture evenly stirred in 1 into a twin-screw extruder with an aspect ratio of 56, rotate at a speed of 300 rpm, and plasticize at a temperature of 180°C, and granulate to form a premix.

[0057] 3. The cross-linking agent DCP and auxiliary cross-linking agent TAIC weighed according to the above formula are added to a high-speed stirring pot at 500-600 rpm, and mixed for 3 minutes.

[0058] 4. Add the mixture obtained in 3 into a twin-screw extr...

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Abstract

The invention relates to the technical field of thermoplastic elastomer materials, and discloses a TPV easy for ink dyeing and printing and a preparation method of the TPV. The TPV is mainly preparedfrom polyolefin rubber, polyolefin resin, white oil, maleic anhydride graft modified polyolefin resin, an ethylene-vinyl acetate copolymer, an ethylene-methyl acrylate copolymer, a peroxide, a crosslinking assistant, an antioxidnt, a light stabilizer and a surface modifier. The preparation method includes: firstly premixing the raw materials in a twin-screw extruder according to a certain ratio toobtain a premixed product, and adding a crosslinking agent and a crosslinking aid to vulcanize the premixed product, thereby obtaining the TPV material easy for ink dyeing and printing. The TPV material provided by the invention has the advantages of simple preparation process, good printing / dyeing properties, and strong adsorption effect on common printing ink, and has important significance inwidening the application field of thermoplastic elastomers.

Description

Technical field: [0001] The invention relates to the technical field of thermoplastic elastomers, in particular to a method for making TPV with easy ink printing and dyeing. Background technique: [0002] TPV thermoplastic dynamic vulcanizate is a polymer elastomer material composed of highly vulcanized EPDM particles dispersed in continuous polypropylene PP phase. Its characteristic is that the rubber is vulcanized during the melt blending process of rubber and thermoplastics. Of course, when the rubber is vulcanized, it is also continuously mixed with thermoplastics. Therefore, the vulcanized rubber is distributed as a dispersed phase in the continuous phase of thermoplastics. It has excellent anti-aging, ozone resistance and ultraviolet resistance properties. It does not need vulcanization when used. It can be directly processed by injection, extrusion, calendering, blow molding, etc., which can shorten the processing process and reduce processing costs. It has a wide ran...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L23/06C08L23/12C08L51/06C08L23/08C08L91/06
CPCC08L23/16C08L23/06C08L23/12C08L51/06C08L23/0853C08L23/0869C08L91/06
Inventor 刘星刘宝宝吴佳骏
Owner 江苏金陵奥普特高分子材料有限公司
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