供應(yīng)PP 中石化茂名 045 PP價格

東莞市常平軒源塑膠原料有限公司長期現(xiàn)貨供應(yīng)：通用塑料 工程塑料 熱塑彈性體 熱固性塑料 降解塑料；本公司代理的產(chǎn)品均為原廠原包，隨貨可提供MSDS、SGS(ROHS)、UL黃卡、FDA、COA、ASTM、環(huán)保證書等,有任何塑膠問題都可向我咨詢，以上圖片及相關(guān)資料均有，可開具17%的增值稅發(fā)票，歡迎來電索取。我們的宗旨是以優(yōu)惠的價格給廣大新老客戶提供優(yōu)質(zhì)的品質(zhì)與服務(wù)。

　聚丙烯( PP) 是由丙烯作為單體在催化劑作用下加成聚合的產(chǎn)物,由于其具有優(yōu)異的機(jī)械性能、無毒、耐熱、耐化學(xué)性能和易加工性能,并且原料來源豐富、價格低廉,因此被廣泛應(yīng)用于多個領(lǐng)域,成為五大通用合成樹脂中增長最快的品種。

但是PP 屬于部分結(jié)晶樹脂,在通常的加工條件下,結(jié)晶速度相對較慢,容易形成較大的球晶,使光線很難穿過整個制品,因此,制品的透明性和光澤性較差,外觀缺少美感,使得其在包裝、醫(yī)療器械、家庭用品等領(lǐng)域的應(yīng)用受到限制。

而經(jīng)過增透改性后的PP ,在保持其原有的優(yōu)異性能的同時,還獲得了可與其它典型的透明材料如PC、PS、PET 等相媲美的優(yōu)良的透明性和光澤性 。尤其是PP 具有較高的耐熱變形溫度, 在對透明性要求很高,需高溫下使用或消毒的器具方面,如透明飲料杯、微波爐具、嬰兒瓶、醫(yī)用注射器等方面,透明PP 擁有比其它透明材料更廣泛的的市場前途,在國內(nèi)外得到迅速的發(fā)展 。

聚丙烯PP 中石化茂名 045

Polypropylene (PP) is composed of propylene as monomer in the presence of catalyst addition polymerization product, because of its excellent mechanical properties, heat resistance, non-toxic, chemical resistance and easy processing properties, and abundant raw material source, low price, so it is widely used in many fields, become the five big general synthetic resin the fastest growing varieties.

But PP is partially crystalline resin, in the usual processing condition, crystallization speed is relatively slow, easy to b larger spherulites, the light is very difficult to go through the entire product, therefore, product transparency and gloss poor appearance, lack of sense of beauty, so that its application in the field of packaging, medical equipment, household items such as limited.

After increasing permeability of the modified PP, with its excellent perbance of the original at the same time, also obtained with transparent materials such as PC, PS and other typical, PET is comparable to the excellent transparency and gloss. Especially PP has higher heat distortion temperature, the requirements for transparency is very high, implement under high temperature or disinfection, such as a transparent cup, microwave oven, baby bottles, medical syringe and so on, transparent PP than other transparent materials more extensive market prospect, has been rapidly developed in the at home and abroad.

聚丙烯PP 中石化茂名 045 

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