Material pulling machine convenient to use
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- ζεΊθ£
- Publication Date
- 2018-01-26
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Abstract
Description
technical field
[0001] The invention relates to the technical field of pulling machines, in particular to a pulling machine which is convenient to use. Background technique
[0002] Plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction with monomer as raw material. It is commonly known as plastic or resin. It can freely change its composition and shape. , Pigment and other additives, the main component of plastic is resin. The term resin was originally named after the lipids secreted by animals and plants, such as rosin, shellac, etc. Resin refers to a polymer compound that has not been mixed with various additives. Resin accounts for about 40% to 100% of the total weight of plastic. The basic properties of plastics are mainly determined by the nature of the resin, but additives also play an important role. Some plastics are basically composed of synthetic resins, with no or few additives, such as plexiglass, polystyrene,...