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CN
24
2023-02
PC lamp shade is made of PC (polycarbonate) as raw materials of light bulbs, LED lamps, LED fluorescent lamps, car lights and lamp shell series of lamp shade.
Polycarbonate is A thermoplastic resin with - [O-R-O-CO] - chain in the main chain of the molecule, according to the different ester groups in the molecular structure can be divided into aliphatic, aliphatic, aliphatic aromatic type, which has practical value is aromatic polycarbonate, and to bisphenol A type polycarbonate is the most important, the molecular weight is usually 3-100,000.
As a kind of conductor solid light emitting device, LED has a longer working life than other light emitting devices, and its luminance half-life is usually up to 100,000 hours.
Thermoplastic Vulcanizate (Thermoplastic Vulcanizate), abbreviated as TPV
Thermoplastic polyurethane elastomer is also known as thermoplastic polyurethane rubber, abbreviated as TPU
Thermoplastic polyurethane elastomer, also known as thermoplastic polyurethane rubber, TPU for short, is A (AB) N-type block linear polymer, A is a high molecular weight (1000~6000) polyester or polyether, B is a diol containing 2~12 straight chain carbon atoms, AB chain chemical structure is diisocyanate.