Title: Method for producing disproportionated rosin by using pine gum as raw material
Application Number: 94108045 Application Date: 1994.08.08
Publication Number: 1105051 Publication Date: 1995.07.12
Approval Pub. Date: Granted Pub. Date: 1997.05.28
International Classifi-cation: C09F1/04
Applicant(s) Name: Tang Yaxian, Tang Yaxian Address: 530004
Inventor(s) Name: Tang Yaxian, Zhang Yunming, Chen Xiaopeng, Tang Ya
Attorney & Agent:
Abstract:
     The process for direct production of dismutated rosin with pine gum includes such technological steps as dissolving raw pine gum with turpentine (or pinene) or hydrogenized turpentine (or pinane), direct dismutation at lower temp. under action of catalyst, removing catalyst by filter and distillation. Obtained rosin features light colour, high acidic value and quality and low cost.
Time: 6