PETG中石油辽阳690A代理商

产品详情

商品描述

价格说明

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销售方式

品牌经销

牌号

690A

加工级别

注塑级、吹塑级

特性级别

透明级、抗化学性、高光泽

用途级别

食品级、薄膜级

产地

中石油辽阳

可售卖地

全国

PETG, also known as Poly (ethylene glycol phthalate 1,4-cyclohexanedimethanol) in English, is a transparent and amorphous copolyester. The commonly used comonomer for PETG is 1,4-cyclohexanedimethanol (CHDM), also known as polyethylene terephthalate 1,4-cyclohexanedimethanol ester. It is a product of ester exchange polymerization of three monomers, terephthalic acid (PTA), ethylene glycol (EG), and 1,4-cyclohexanedimethanol (CHDM). Compared with PET, it has more 1,4-cyclohexanedimethanol copolymer monomers, and more ethylene glycol copolymer monomers than PCT. Therefore, the performance of PETG is significantly different from PET and PCT. PETG sheets have outstanding toughness and high impact strength, with an impact strength 3-10 times that of modified polyacrylates. They also have a wide processing range, high mechanical strength, and excellent flexibility. Compared to PVC, PETG sheets have higher transparency, better gloss, easy printing, and environmental advantages.

brief introduction

PETG is a transparent plastic, an amorphous copolyester. The commonly used comonomer for PETG is 1,4-cyclohexanedimethanol (CHDM), also known as polyethylene terephthalate-1,4-cyclohexanediol ester. It is a product of condensation polymerization of terephthalic acid (PTA), ethylene glycol (EG), and 1,4-cyclohexanedimethanol (CHDM) monomers. Compared with PET, it has more 1,4-cyclohexanedimethanol copolymer monomers, and more ethylene glycol copolymer monomers than PCT. Therefore, the performance of PETG is significantly different from PET and PCT, and it has its unique characteristics. So far, only two companies in the world, Eastman in the United States and SK in South Korea, have relatively mature technologies. The main domestic agents of Eastman PETG and SK PETG in South Korea include Shanghai Lianmo Chemical Co., Ltd. With the increase of CHDM in the copolymer, the melting point decreases, the glass transition temperature increases, the crystallinity decreases, and finally an amorphous polymer is formed. The content of CHDM in PETG is generally suitable between 30% -40%. Has good viscosity, transparency, color, resistance to chemical agents, and stress whitening ability. It can be quickly hot formed or extruded and blown into shape. The viscosity is better than acrylic acid (acrylic). PETG products are highly transparent and have good toughness, making them suitable for forming thick walled transparent products. PETG has excellent processing and molding performance, and can be designed in any shape according to the designer's intention. Traditional molding methods such as extrusion, injection molding, blow molding, and vacuum molding can be used, which can be widely used in the market of sheet materials, high-performance shrink films, bottle and special-shaped materials. At the same time, its secondary processing performance is excellent, and it can also be modified by conventional machining.