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Composition for forming elastomer, elastomer formed by composition and application of elastomer

A composition and elastomer technology, which is applied in the field of elastomer-forming compositions and elastomers, can solve problems such as complex process flow and unrecyclable leftover materials, so as to simplify the process flow, avoid problems that cannot be recycled and reused, and reduce production The effect of craft and package process

Pending Publication Date: 2021-06-11
珠海格力新材料有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process is complex, and there is a defect that rubber preparation needs to be vulcanized, and the leftovers cannot be recycled.

Method used

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  • Composition for forming elastomer, elastomer formed by composition and application of elastomer
  • Composition for forming elastomer, elastomer formed by composition and application of elastomer
  • Composition for forming elastomer, elastomer formed by composition and application of elastomer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] In this example, the following components were used to prepare elastomers:

[0085] Styrene-ethylene-butadiene-styrene block copolymer 100kg, mineral oil 150kg, calcium carbonate 40kg, polypropylene 20kg, ethylene-octene copolymer 10kg, calcium stearate 5kg, dibutylhydroxytoluene 0.5 kg, erucamide 5kg, UV absorber 0.3kg.

[0086] In this example, the above-mentioned raw materials were used to prepare elastomers by the following method:

[0087] (1) Fully mix the styrene-ethylene-butylene-styrene block copolymer with mineral oil and leave it for 10 hours;

[0088] (2) the mixture prepared by step (1) is uniformly mixed with the above-mentioned remaining raw materials by a high-speed mixer;

[0089] (3) Add the mixed raw materials into a twin-screw extruder, plasticize them uniformly in the screw extruder at 200° C., and prepare elastomer granules through underwater die granulation equipment;

[0090] (4) Dry and pack the elastomer particles into storage.

[0091] Usi...

Embodiment 2

[0096] In this example, the following components were used to prepare elastomers:

[0097] Styrene-ethylene-butylene-styrene block copolymer 100kg, mineral oil 145kg, calcium carbonate 38kg, polypropylene 18kg, ethylene-octene copolymer 9kg, calcium stearate 4.5kg, dibutylhydroxytoluene 0.45 kg, erucamide 4.5kg, UV absorber 0.25kg.

[0098] The preparation method of the elastomer and the integrated juice cup is the same as in Example 1. The results show that the processing performance, cohesive force and touch of the integrated juice cup prepared in this example are similar to those of the juice cup prepared in Example 1. The specific test results are shown in Table 1.

Embodiment 3

[0100] In this example, the following components were used to prepare elastomers:

[0101] Styrene-ethylene-butylene-styrene block copolymer 100kg, mineral oil 155kg, calcium carbonate 42kg, polypropylene 22kg, ethylene-octene copolymer 11kg, calcium stearate 5.5kg, dibutylhydroxytoluene 0.55 kg, erucamide 5.5kg, UV absorber 0.35kg.

[0102] The preparation method of the elastomer and the integrated juice cup is the same as in Example 1. The results show that the processing performance, cohesive force and touch of the integrated juice cup prepared in this example are similar to those of the juice cup prepared in Example 1. The specific test results are shown in Table 1.

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Abstract

The invention provides a composition for forming an elastomer, the elastomer formed by the composition and application of the elastomer. The composition comprises the components in parts by weight: 100 parts of a styrene-ethylene-butadiene-styrene block copolymer, 100 to 200 parts of mineral oil, 10 to 100 parts of an inorganic filler, 1 to 50 parts of a homopolymer, 1 to 30 parts of an ethylene-octylene copolymer, 1-10 parts of a lubricant, 1-10 parts of a slipping agent, 0.1 to 5 parts of an antioxidant, and 0.1 to 5 parts of an ultraviolet absorbent; wherein the lubricant comprises one or more of calcium stearate, zinc stearate and EBS, and the slipping agent comprises erucyl amide and / or silicone. By optimizing the formula, when the provided composition is used for preparing an integrally molded plastic product, the composition can have excellent binding force with a main body as an accessory.

Description

technical field [0001] The invention relates to the technical field of preparation of plastic products, in particular to a composition for forming an elastic body, the formed elastic body and its application. Background technique [0002] In the prior art, when preparing products containing different components that do not use raw materials, a method of step-by-step preparation is usually adopted. For example, in the prior art, when preparing plastic product cup bodies, cup covers and coasters, the technology usually adopted is a step-by-step method. [0003] Cup sleeves and coasters have the advantages of increasing friction, enhancing the sense of touch and beautifying the appearance, and are widely used in the cup bodies of juice cups and other plastic products. However, at present, silicone material is generally used to mold the required cup cover and coaster, and then the cup cover is placed on the cup body, and the coaster is bonded to the bottom of the cup with adhes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L91/00C08L53/02C08L23/12C08L23/08C08K3/26C08K5/098C08K13/02C08L23/06
CPCC08L91/00C08L53/025C08L2205/035C08K2003/265C08L2205/02
Inventor 郑婷婷王琳王玉彭楚堂朱宏亮李勉
Owner 珠海格力新材料有限公司
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