| 摘要 |
METHOD FOR OBTAINING TANNIN BY EXTRACTING PLANT RESOURCES WITH MANGROVE, ACACIA, PINE, EUCALYPTUS, OAK, HEMLOCK AND THE LIKE WITH LOWER ALCOHOL OR LOWER ALCOHOL/WATER, OR EXTRACTING OUTER BARK OF RADIATA PINE (PINUS RADIATA) WITH WATER, LOWER ALCOHOL OR LOWER ALCOHOL/WATER, AND AN ADHESIVE CONTAINING SAID EXTRACTED SUBSTANCE FOR ADHERING WOODY MATERIALS SUCH AS VENEER. |
