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Artificial turf thermoplastic rubber filler particles and method fro preparing same

A technology of thermoplastic rubber and filling particles, which is applied in the field of thermoplastic rubber filling particles for artificial turf and its preparation. It can solve the problems of difficult heating, melting, processing and recycling, accelerated aging of artificial grass, and large heat absorption, etc., to achieve good thermoplasticity, Low cost and good compatibility

Inactive Publication Date: 2009-09-02
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relevant studies have shown that black tire particles contain a large amount of carcinogens-polycyclic aromatic hydrocarbons (PAHS), and they have a strong odor and high heat absorption. Excessive court temperature can accelerate the aging of artificial grass, and it is difficult to heat and melt. Recycling is under increasing pressure from environmental protection

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] formula:

[0028] Styrene-butadiene-styrene block copolymer SBS (YH-792) 10 parts by weight, butyl rubber powder (200 mesh) 12 parts by weight (80 mesh), active ground calcium carbonate (200 mesh) 40 Parts by weight, 2 parts by weight of stearic acid, 6 parts by weight of naphthenic rubber oil (4006 of Xinjiang Karamay), 0.1 parts by weight of antioxidant (1010), 0.2 parts by weight of anti-ultraviolet agent (UV-531), yellow and blue A total of 0.2 parts by weight of the grass green pigment adjusted by the pigment.

[0029] Preparation:

[0030] 1) Mixing stage: soak SBS and butyl rubber powder with naphthenic rubber oil for half an hour according to the above ratio to obtain component A for later use; then add active ground calcium carbonate, antioxidant, anti-ultraviolet agent, grass Put the green pigment and stearic acid into the high-speed mixer for mixing. When the temperature of the material reaches 75°C, put in the soaked component A, and continue mixing until ...

Embodiment 2

[0034] formula:

[0035] Styrene-butadiene-styrene block copolymer SBS (YH-791H) 30 parts by weight, butyl rubber powder (100 mesh) 8 parts by weight, active light calcium carbonate 70 parts by weight, stearic acid 5 parts by weight Parts, 6 parts by weight of naphthenic rubber oil (Xinjiang Karamay 4006), 0.3 parts by weight of antioxidant (168), 0.1 part by weight of anti-ultraviolet agent (UV-326), the olive green pigment that yellow, blue and black pigment are adjusted A total of 0.01 parts by weight.

[0036] Preparation:

[0037] 1) Mixing stage: soak SBS and rubber powder in naphthenic rubber oil for half an hour according to the above ratio to obtain component A for later use; then add active light calcium carbonate, antioxidant, anti-ultraviolet agent, pigment, stearin Put the acid into the high-speed mixer for mixing. When the temperature of the material reaches 80°C, put in the soaked component A, and continue mixing until it reaches 90°C;

[0038] 2) Mixing stag...

Embodiment 3

[0041] formula:

[0042] 20 parts by weight of styrene-ethylene-butadiene-styrene block copolymer SEBS (YH-602), 10 parts by weight of butyl rubber powder (20 mesh), 60 parts by weight of active ground calcium carbonate (200 mesh), 4 parts by weight of stearic acid, 8 parts by weight of naphthenic rubber oil (Xinjiang Karamay 4006), antioxidant (1010) and antioxidant (168) are mixed totally 0.2 parts by weight in a ratio of 0.8:1, anti-ultraviolet agent (UV -326) 0.2 parts by weight, green and yellow pigments 0.1 parts by weight.

[0043] Preparation:

[0044] 1) Mixing stage: soak SEBS and rubber powder with naphthenic rubber oil for half an hour according to the above ratio to obtain component A for later use; then add active ground calcium carbonate, antioxidant, anti-ultraviolet agent, pigment, stearin Put the acid into the high-speed mixer for mixing. When the temperature of the material reaches 80°C, put in the soaked component A, and continue mixing until it reaches 9...

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Abstract

The invention discloses artificial turf thermoplastic rubber filler particles, which comprises the following components by weight portion: 10 to 30 portions of styrene thermoplastic elastomer, 6 to 15 portions of rubber powder, 40 to 70 portions of activated calcium carbonate, 2 to 5 portions of stearic acid, 6 to 10 portions of naphthenic oil, 0.1 to 0.3 portion of antioxidant, 0.1 to 0.3 portion of anti-ultraviolet agent and 0.01 to 0.3 portion of pigment. The artificial turf thermoplastic rubber filler particles of the invention can be recycled, have good thermoplastic property, elasticity and wear resistance, and are environmentally-friendly, pollution-free, simple in production method, low in cost, rich in color, excellent in compatibility with a turf system and wide in market prospect.

Description

technical field [0001] The invention belongs to the field of filler particles for artificial turf, in particular to thermoplastic rubber filler particles for artificial turf and a preparation method thereof. Background technique [0002] There are two types of stadiums and leisure turf at home and abroad: natural turf and artificial turf. Although the one-time investment cost of artificial turf is high, it has developed rapidly in the past ten years due to its low maintenance cost and high frequency of use. The rise of artificial turf has led to the development of "filling particles for artificial turf". If artificial turf wants to get the effect of natural turf, rubber particles must be added to it, so as to keep the grass upright and obtain the elasticity and comfort similar to natural turf. [0003] In terms of rubber filling granules for lawns, black waste tire crushing granules are still widely used at home and abroad because of their cheap price, good elasticity and w...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L23/22C08K13/02C08K9/04C08K3/26C08K5/09C08K5/01C08K5/07C08K5/103C08K5/524B29B9/00
Inventor 韩冰李龙张淼焱徐良张东晨周明赵辉
Owner NANJING INST OF TECH
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