360A4861307 Clear, Trsp
專業(yè)代理伊斯曼公司產(chǎn)品 李醋酸纖維素 cellulose acetate;CA
系纖維素分子中羥基用醋酸酯化后得到的一種化學(xué)改性的天然高聚物。其性能取決于乙?;潭?。
市售產(chǎn)品可分為一般的醋酸纖維素(乙?;?7%~40%)。常加入增塑劑用作注塑制件如牙刷把、刷子等。高乙酰含量的醋酸纖維素(乙?;?0%~42%),白色粒狀、粉狀或棉狀固體。對(duì)光穩(wěn)定,不易燃燒,在稀酸、汽油、礦物油和植物油中穩(wěn)定,在三氯甲烷中溶脹,溶于丙酮、醋酸甲酯等,能為稀堿液侵蝕,具有堅(jiān)韌、透明、光澤好等優(yōu)點(diǎn),熔融流動(dòng)性好,易成型加工。二氯甲烷均相法采用精制棉短絨和醋酐,以乙酰硫酸為觸媒,在溶劑二氯甲烷存在下進(jìn)行酯化,部分水解,可得到結(jié)合醋酸含量在60%±0.5%范圍內(nèi)的醋酸纖維素。傳統(tǒng)方法是將精制棉短絨干燥,用醋酸活化,在硫酸觸媒存在下,用醋酸和醋酐混合液乙?;缓蠹酉〈姿崴獾剿鶎僦〈?,中和觸媒,沉析,脫酸洗滌,精煮干燥得成品。經(jīng)部分水解的稱二醋酸纖維素,酯化度γ值220~270。未經(jīng)水解的,即酯化度γ值為300者稱三醋酸纖維素。二醋酸纖維素塑料可做各類工具手柄、計(jì)算機(jī)及打字機(jī)的字母數(shù)字鍵、機(jī)殼、汽車方向盤、紡織器材零件、收音機(jī)開關(guān)及絕緣件、筆桿、眼鏡架及鏡片、玩具、日用雜品等,也可做海水淡化膜。三醋酸纖維素,其熔點(diǎn)高,只能配成溶液后加工,用作電影膠片片基、X光片基、絕緣薄膜電磁、錄音帶、透明容器、銀鋅電池中的隔膜等。
Tenite Propionate 307E0V16310 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 307E4000018 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 350A0096914 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 350A4861313 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 350E0096912 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 350E0096914 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 358A4000008 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 358A4000018 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360A4000012 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360A4861307 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360A4861316 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E0096907 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E0096908m Natural Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E0096914 Natural, Trsp. | Eastman Chemical Company | CAP |
Tenite Propionate 360E0096916 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E2R30016 Natural, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E3V45508 Water Clear | Eastman Chemical Company | CAP |
Tenite Propionate 360E3V45512 Water Clear | Eastman Chemical Company | CAP |
Tenite Propionate 360E3V45516 Water Clear Trsp. | Eastman Chemical Company | CAP |
Tenite Propionate 360E4861312 Clear, Trsp | Eastman Chemical Company | CAP |
Tenite Propionate 360E4861314 Clear, Trsp | Eastman Chemical Company | CAP |
:東莞市常平勵(lì)鴻塑膠原料經(jīng)營(yíng)部/李
: ?。篅139.com
傳真號(hào)碼:
地址:廣東省東莞市大京九塑膠城塑通一路
Butyrate 360A4861307 Clea其它產(chǎn)品
Butyrate 360E0096914 Natu
Butyrate 360E0096908m Nat
Butyrate 360E0096907 Natu
Butyrate 360A4861316 Clea
Butyrate 360A4861307 Clea
Butyrate 360A4000012 Clea
Butyrate 358A4000018 Cle
Butyrate 358A4000008 Cle
Butyrate 350E0096914 Natu
Butyrate 350E0096912 Natu












肃南|
宜宾市|
朝阳市|
华池县|
清原|
河北省|
梨树县|
富锦市|
吉林省|
射洪县|
元朗区|
荣昌县|
饶河县|
馆陶县|
吐鲁番市|
格尔木市|
彭州市|
西峡县|
阳曲县|
昆明市|
五河县|
区。|
全南县|
岱山县|
古浪县|
双牌县|
汉沽区|
莱阳市|
临潭县|
鄂伦春自治旗|
江门市|
万全县|
顺昌县|
博湖县|
德惠市|
兰州市|
内江市|
甘孜|
北辰区|
杨浦区|
东至县|