Patents Assigned to Sino Legend (China) Chemical Co. Ltd.
  • Publication number: 20150337069
    Abstract: Described herein are alkyl phenolic resins and methods of producing them. The content of residual phenol in the alkyl phenolic resin may be less than about 2% w/w, the softening point of the alkyl phenolic resin may be about 85° C. to about 105° C., the tackiness of the alkyl phenolic resin may be about 8 N to about 25 N, the alkyl group of the alkyl phenol may have 6-12 carbon atoms, and the content of 4-(1,1,3,3-tetramethylbutyl) phenol in the alkyl phenol may be from about 0% to about 85% w/w. The invention also relates to a use of the alkyl phenolic resin as rubber tackifier.
    Type: Application
    Filed: August 6, 2015
    Publication date: November 26, 2015
    Applicant: SINO LEGEND (CHINA) CHEMICAL CO. LTD.
    Inventors: Fan Yunfeng, Yang Quanhai
  • Patent number: 9133294
    Abstract: Described herein are alkyl phenolic resins and methods of producing them. The content of residual phenol in the alkyl phenolic resin may be less than about 2% w/w, the softening point of the alkyl phenolic resin may be about 85° C. to about 105° C., the tackiness of the alkyl phenolic resin may be about 8 N to about 25 N, the alkyl group of the alkyl phenol may have 6-12 carbon atoms, and the content of 4-(1,1,3,3-tetramethylbutyl) phenol in the alkyl phenol may be from about 0% to about 85% w/w. The invention also relates to a use of the alkyl phenolic resin as rubber tackifier.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: September 15, 2015
    Assignee: Sino Legend (China) Chemical Co. Ltd.
    Inventors: Fan Yunfeng, Yang Quanhai