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tanning agent造句
1. The preparation of auxiliary tanning agent from chrome shavings has been studied in this paper. 2. SRT will be outstandingly suitable as tanning agent for the product- ion of white leather, which is fast to light. It can be complexed... 3. FD is a kind of re tanning agent condensated with glyoxal, formaldehyde, carboxylic acid and urea. 4. Tanning power and some properties of the chrome-protein tanning agent are detailed. 5. This paper research on a new synthetic tanning agent and the method of preparation. 6. The development of acrylic polymer tanning agent and the effect of its composition on the properties have been introduced in this paper. 7. The chrome reduced tannage with resin tanning agent and modified glutaraldehyde pretanning, and combination Al-Cr tanning were investigated. 8. But for the polyfunctional tructures, they could increase the interaction or tanning agent and collagen, and improve the quality of... 9. Results show that a neutralization process of acid and alkali occurs during the penetration and combination of the tanning agent. 10. The high exhaustion chrome tanning mechanism of ECPA auxiliary was explored by means of investigating the interaction among the auxiliary, collagen and the chrome tanning agent. 11. In order to improve the quality of leather, it is very necessary to make a new-type compound tanning agent, which is practical and effective. 12. The results show that the Cr-Al-lignosulfonates has a better tanning effect than that of any single tanning agent contained in it. 13. The several constitution of isopolynuclear complex has been identified and the effects of the complex tanning agent on the protein has been studied as well by IR spectroscopy method. 14. The methods of chrome tanning and aluminium tanning are contrasted in this article. Cr-Al tanning with low chrome content and the method of producing Cr-Al tanning agent at present are summarized. 15. In addition, chromium resource in China is very limit, so the research of chrome-free and less-chrome tanning agent are very imperative. 16. A colorless crystalline compound, C7H 6O 5, derived from tannin and used as a tanning agent, as an ink dye, and in photography and the manufacture of paper. 17. This paper have studied vegetable tanning technology of cowhide light leather with modification volanea extract for chief tanning agent and with yellow cow taw for raw skin. 18. The corn starch was modified into oxidized starch containing both carboxyl and aldehyde groups by chemical method, which provided a new clean tanning agent for leather industry.