阅读说明：本技术 一种新型tpe8塑胶粒及其生产工艺 (Novel TPE8 plastic particle and production process thereof ) 是由 萧治文 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种新型TPE8塑胶粒,包括SEBS、石蜡油和塑料助剂,所述新型TPE8塑胶粒的原料按重量份比包括：SEBS为22-35份、石蜡油为22-35份、塑料助剂为70-80份,SEBS为22份、石蜡油为22份、塑料助剂为70份,SEBS为24份、石蜡油为24份、塑料助剂为72份,SEBS为32份、石蜡油为32、塑料助剂为77份,SEBS为35份、石蜡油为35、塑料助剂为80份,所述塑料助剂为自由基捕捉剂,本发明涉及塑胶粒技术领域。该新型TPE8塑胶粒及其生产工艺,这种新型TPE8塑胶粒可喷涂油漆,耐老化,不容易黄变,弹力性能好,耐刮磨,使用寿命更长。(The invention discloses novel TPE8 plastic granules, which comprise SEBS, paraffin oil and a plastic auxiliary agent, wherein the novel TPE8 plastic granules comprise the following raw materials in parts by weight: the invention relates to a plastic particle, which comprises, by weight, 22-35 parts of SEBS, 22-35 parts of paraffin oil, 70-80 parts of a plastic additive, 22 parts of SEBS, 22 parts of paraffin oil and 70 parts of a plastic additive, 24 parts of SEBS, 24 parts of paraffin oil and 72 parts of a plastic additive, 32 parts of SEBS, 32 parts of paraffin oil and 77 parts of a plastic additive, 35 parts of SEBS, 35 parts of paraffin oil and 80 parts of a plastic additive, wherein the plastic additive is a free radical trapping agent. This novel TPE8 plastic pellet and production technology, this kind of novel TPE8 plastic pellet can spray paint, and is ageing-resistant, be difficult to the yellow stain, and elasticity performance is good, and resistant scraping, life is longer.)

1. The utility model provides a novel TPE8 plastic cement grain, includes SEBS, paraffin oil and plastic additive, its characterized in that: the novel TPE8 plastic cement particle comprises the following raw materials in parts by weight: 22-35 parts of SEBS, 22-35 parts of paraffin oil and 70-80 parts of plastic additive.

2. The novel TPE8 plastic pellet as claimed in claim 1, wherein: SEBS22 parts, paraffin oil 22 parts and plastic additive 70 parts.

3. The novel TPE8 plastic pellet as claimed in claim 1, wherein: 24 parts of SEBS, 24 parts of paraffin oil and 72 parts of plastic additive.

4. The novel TPE8 plastic pellet as claimed in claim 1, wherein: 32 parts of SEBS, 32 parts of paraffin oil and 77 parts of plastic additive.

5. The novel TPE8 plastic pellet as claimed in claim 1, wherein: 35 parts of SEBS, 35 parts of paraffin oil and 80 parts of plastic auxiliary agent.

6. The novel TPE8 plastic pellet as claimed in claim 1, wherein: the plastic additive is a free radical trapping agent.

7. The novel TPE8 plastic pellet as claimed in claims 1-6, wherein: the production process specifically comprises the following steps:

s1, selecting and stirring materials, weighing SEBS, paraffin oil and a plastic auxiliary agent respectively by using a weighing device, putting the SEBS, the paraffin oil and the plastic auxiliary agent into a raw material stirring pot, stirring, and fully and uniformly stirring the raw materials according to a standard formula of 100 kg;

s2, extruding the materials by a double screw, namely, feeding the uniformly stirred raw materials in the step S1 into a double screw extruder through a feeding hopper, and discharging the materials through a die head after six subarea processing on the double screw extruder;

s3, discharging and cooling, namely, discharging materials of the double-screw extruder in the S3 flow into a water tank to be cooled;

s4, cutting into granules by a granulator, and feeding the cooled material strips in the S4 into the granulator for cutting into granules;

s5, air drying and blowing, namely air drying and blowing the particles cut into granules in the S5 to a finished product stirring pot through a vibrating screen and an air dryer;

s6, stirring the finished product, operating a finished product stirring pot, and uniformly stirring the air-dried particles in the step S5;

s7, packaging and marking, packaging the homogenized particles in the S6 into 25 kg/bag, and marking the batch number.

8. The novel TPE8 plastic pellet as claimed in claim 7, wherein the TPE comprises: the stirring pot is a Longze stirring pot, the double-screw extruder is a double-screw extruder produced by Lulong mechanical works in Dongguan city, the granulator is a granulator produced by Rui Qi mechanical Co., Ltd, Suzhou, and the finished product stirring pot is a Longze stirring pot.

9. The novel TPE8 plastic pellet as claimed in claim 7, wherein the TPE comprises: the six zones on the twin screw extruder in S2 include a first zone, a second zone, a third zone, a fourth zone, a fifth zone, and a sixth zone.

10. The novel TPE8 plastic pellet as claimed in claim 9, wherein the TPE comprises: the temperatures of the first partition, the second partition, the third partition, the fourth partition, the fifth partition and the sixth partition are respectively 160 ℃, 190 ℃, 200 ℃, 190 ℃ and 180 ℃, and the die head temperature is 180 ℃.

Technical Field

The invention relates to the technical field of plastic granules, in particular to a novel TPE8 plastic granule and a production process thereof.

Background

The plastic is widely applied and is an indispensable component in household appliances, automobiles, mobile phones, PCs, medical appliances and lighting appliances. With the continuous and stable growth of economy in China, industries such as household appliances, automobiles, mobile phones, PCs, medical appliances and the like benefit from good external environments, rapid development is also realized, and the development of downstream industries further draws the demand on plastics.

The TPE is a thermoplastic elastomer material, has the characteristics of high strength, high resilience and injection molding processing, and has wide application range, environmental protection, no toxicity, safety and excellent colorability. The rubber has the advantages of soft touch, weather resistance, fatigue resistance, temperature resistance and excellent processing performance, does not need vulcanization, can be recycled to reduce the cost, can be subjected to secondary injection molding, can be coated and adhered with matrix materials such as PP, PE, PC, PS, ABS and the like, and can also be formed independently.

The existing TPE material is mostly incapable of spraying paint when in use, is not aging-resistant when in use, and is easy to turn yellow on the surface, reduce the elastic property and resist scraping after long-time use because sweat immerging into a human body is oxidized by air and the like.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel TPE8 plastic particle and a production process thereof, and solves the problems that most of TPE materials are not sprayed with paint, are not aging-resistant, are easy to yellow, have reduced elastic performance and are not scratch-resistant.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a novel TPE8 plastic pellet, includes SEBS, paraffin oil and plastic auxiliary agent, the raw materials of novel TPE8 plastic pellet include according to part by weight: 22-35 parts of SEBS, 22-35 parts of paraffin oil and 70-80 parts of plastic additive.

Preferably, the SEBS accounts for 22 parts, the paraffin oil accounts for 22 parts, and the plastic additive accounts for 70 parts.

Preferably, the SEBS accounts for 24 parts, the paraffin oil accounts for 24 parts, and the plastic additive accounts for 72 parts.

Preferably, the SEBS accounts for 32 parts, the paraffin oil accounts for 32 parts, and the plastic additive accounts for 77 parts.

Preferably, 35 parts of SEBS, 35 parts of paraffin oil and 80 parts of plastic additives.

Preferably, the plastic auxiliary agent is a free radical scavenger.

The invention also discloses a production process of the novel TPE8 plastic particle, which specifically comprises the following steps:

s1, selecting and stirring materials, weighing SEBS, paraffin oil and a plastic auxiliary agent respectively by using a weighing device, putting the SEBS, the paraffin oil and the plastic auxiliary agent into a raw material stirring pot, stirring, and fully and uniformly stirring the raw materials according to a standard formula of 100 kg;

s2, extruding the materials by a double screw, namely, feeding the uniformly stirred raw materials in the step S1 into a double screw extruder through a feeding hopper, and discharging the materials through a die head after six subarea processing on the double screw extruder;

s3, discharging and cooling, namely, discharging materials of the double-screw extruder in the S3 flow into a water tank to be cooled;

s4, cutting into granules by a granulator, and feeding the cooled material strips in the S4 into the granulator for cutting into granules;

s5, air drying and blowing, namely air drying and blowing the particles cut into granules in the S5 to a finished product stirring pot through a vibrating screen and an air dryer;

s6, stirring the finished product, operating a finished product stirring pot, and uniformly stirring the air-dried particles in the step S5;

s7, packaging and marking, packaging the homogenized particles in the S6 into 25 kg/bag, and marking the batch number.

Preferably, the agitator kettle is a rumex agitator kettle, the twin-screw extruder is a twin-screw extruder produced by lulong machinery factory in easguan city, the granulator is a granulator produced by Rui seven machines Limited, Suzhou, and the finished product agitator kettle is a rumex agitator kettle.

Preferably, the six zones on the twin screw extruder in S2 include a first zone, a second zone, a third zone, a fourth zone, a fifth zone, and a sixth zone.

Preferably, the temperatures of the first, second, third, fourth, fifth and sixth zones are 160 ℃, 190 ℃, 200 ℃, 190 ℃ and 180 ℃, respectively, and the die temperature is 180 ℃.

(III) advantageous effects

The invention provides novel TPE8 plastic granules and a production process thereof. Compared with the prior art, the method has the following beneficial effects:

(1) the novel TPE8 plastic particle and the production process thereof are characterized in that SEBS 22-35 parts, paraffin oil 22-35 parts and plastic auxiliary agent 70-80 parts are mixed with S1, materials are selected and stirred, the SEBS, the paraffin oil and the plastic auxiliary agent are respectively weighed by a weighing device and put into a raw material stirring pot for stirring, and the raw materials are fully and uniformly stirred according to a standard formula of 100 kg; s2, extruding the materials by a double screw, namely, feeding the uniformly stirred raw materials in the step S1 into a double screw extruder through a feeding hopper, and discharging the materials through a die head after six subarea processing on the double screw extruder; s3, discharging and cooling, namely, discharging materials of the double-screw extruder in the S3 flow into a water tank to be cooled; s4, cutting into granules by a granulator, and feeding the cooled material strips in the S4 into the granulator for cutting into granules; s5, air drying and blowing, namely air drying and blowing the particles cut into granules in the S5 to a finished product stirring pot through a vibrating screen and an air dryer; s6, stirring the finished product, operating a finished product stirring pot, and uniformly stirring the air-dried particles in the step S5; and S7, packaging identification, namely packaging the uniformly stirred particles in the S6 at a ratio of 25 kg per bag, and identifying batch numbers, so that the novel TPE8 plastic particles can be sprayed with paint, are resistant to aging, are not easy to yellow, have good elasticity, are resistant to scraping and abrasion, and have longer service life.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention discloses a production process of novel TPE8 plastic granules, which specifically comprises the following steps: