... ether derivatives. Shandong Tiansheng Chemical Industry Co., Ltd becomes the development, production, application and marketing base, which possesses optimal design, the ... Cellulose(HEMC), hydroxyethyl Cellulose (HEC), Redispersible emulsion powder(RDP).Structural formula:R= -H, -CH3, -CH2CHOHCH3, -CH2CH2 OHn= degree of polymerizationMC, HPMC ...