发明名称 |
Polymer compositions containing thermoplastic starch and process of making |
摘要 |
There is provided a method of preparing a thermoplastic starch and synthetic polymer blend, said method comprising the steps of: (a) providing a starch suspension comprising starch, water and a plasticizer, preferably glycerol; (b) obtaining a thermoplastic starch from the starch suspension by causing gelatinization and plasticization of said starch suspension by exerting heat and pressure on said starch suspension in a first extrusion unit; (c) evaporating and venting off residual water from said thermoplastic starch to obtain a substantially moisture-free thermoplastic starch; (d) obtaining a melt of a synthetic polymer or polymer blend in a second extrusion unit; and (e) combining the melt obtained from step (d) with the substantially moisture-free thermoplastic starch. Also provided are compositions of matter comprising immiscible blends of thermoplastic starches, polymers, and compatibilizers. |
申请公布号 |
AU2138001(A) |
申请公布日期 |
2001.07.09 |
申请号 |
AU20010021380 |
申请日期 |
2000.12.18 |
申请人 |
POLYVALOR, SOCIETE EN COMMANDITE |
发明人 |
BASIL D. FAVIS;FRANCISCO RODRIGUEZ;BRUCE A. RAMSAY |
分类号 |
C08J3/20;B29B7/74;B29B7/88;C08J3/00;C08K5/053;C08L3/02;C08L3/20;C08L23/04;C08L23/06;C08L101/00;C08L101/16 |
主分类号 |
C08J3/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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