High-sound-absorption and shock-absorption thermoplastic elastomer blend
A technology of thermoplastic elastomer and thermoplastic elastomer, which is applied in the field of thermoplastic elastomer, can solve unsatisfactory problems and achieve the effects of improved compatibility, good sound absorption and shock absorption, and good processing performance
Inactive Publication Date: 2019-07-05
GUANGDONG KEYUE NEW MATERIAL CO LTD
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In some products, it is necessary to use thermoplastic elastomers with good sound absorption and shock absorption effects, but the current thermoplastic elastomers cannot meet the requirements
Method used
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Experimental program
Comparison scheme
Effect test
preparation example Construction
[0029] The preparation method of the above-mentioned high sound-absorbing and shock-absorbing thermoplastic elastomer blend comprises the following steps:
[0030] Step 1, taking each raw material by mass parts;
[0031] Step 2, first adding the styrene-based thermoplastic elastomer A and the plasticizer into the mixing container for blending, and then adding the remaining raw materials into the mixing container one by one and mixing uniformly to form a mixture;
[0032] Step 3: Pour the blend into a twin-screw extruder to prepare a high sound-absorbing and shock-absorbing thermoplastic elastomer blend.
[0033] The screw aspect ratio of the twin-screw extruder is ≧40, and the twin-screw extruder contains more than four meshing zones; the screw temperature of the twin-screw extruder is feeding section: 170-190°C; compression section: 200-220°C ; Metering section: 190-210°C, die head: 180-200°C; the screw speed of the twin-screw extruder is 260-320rpm.
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Abstract
The invention relates to a high-sound-absorption and shock-absorption thermoplastic elastomer blend. The high-sound-absorption and shock-absorption thermoplastic elastomer blend is prepared from, by weight, 4-6 parts of a styrene thermoplastic elastomer A, 28-40 parts of a styrene thermoplastic elastomer B, 20-25 parts of a plasticizer, 5-8 parts of a thermoplastic polyester elastomer, 5-9 parts of linear low-density polyethylene, 6-10 parts of polypropylene, 3-5 parts of a compatilizer, 10-20 parts of calcium carbonate and 0.1-0.4 part of an antioxidant. The high-sound-absorption and shock-absorption thermoplastic elastomer blend has the advantages that the blend has a good sound-absorption and shock-absorption effect, and has the good heat resistance and solvent resistance, and the flexibility elasticity of a material is improved; the production process is simple and convenient, and the good processing performance is achieved.
Description
technical field [0001] The invention relates to the field of thermoplastic elastomers, in particular to a high sound-absorbing and shock-absorbing thermoplastic elastomer blend. Background technique [0002] Thermoplastic elastomers are also known as artificial rubber or synthetic rubber. Its products not only have the excellent properties of high elasticity, aging resistance and oil resistance of traditional cross-linked vulcanized rubber, but also have the characteristics of convenient processing and wide processing methods of ordinary plastics. It can be produced by injection molding, extrusion, blow molding and other processing methods, and 100% of the corners of the nozzle can be directly used for secondary use after being crushed. It not only simplifies the processing process, but also reduces the processing cost. Therefore, thermoplastic elastomer TPE / TPR material has become the latest material to replace traditional rubber. It is environmentally friendly, non-toxic,...
Claims
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Patent Timeline
Login to View More IPC IPC(8): C08L53/00C08L53/02C08L51/00C08L23/12C08L23/08C08K3/26
CPCC08L53/00C08L53/025C08L2201/08C08L2205/025C08L2205/035C08L2205/08C08L2207/04C08L51/006C08L23/12C08L23/0815C08K3/26
Inventor 李善良梁耀志
Owner GUANGDONG KEYUE NEW MATERIAL CO LTD