发明名称 |
FINE POWDER OF BIOSOURCED ALIPHATIC POLYESTER AND PRODUCTION METHOD THEREOF |
摘要 |
The invention relates to a method for the production of biosourced aliphatic polyester powder having a volume median diameter of less than 30 mum, comprising: a step consisting in supplying an aliphatic polyester having an inherent viscosity of less than 0.5 dl/g; and a step consisting in grinding the polyester, so as to obtain a polyester powder having a volume median diameter of less than 30 mum. The invention also relates to a powder in which the particles have a volume median diameter of less than 30 mum and are impregnated with a compound selected from among polyols and/or carboxylic acids. The invention further relates to the use of the powder for the production of cosmetic, pharmaceutical and perfume products. |
申请公布号 |
US2013337025(A1) |
申请公布日期 |
2013.12.19 |
申请号 |
US201213980073 |
申请日期 |
2012.01.20 |
申请人 |
LE GUILLAUME;MATHIEU CYRILLE;LOYEN KARINE;PRADEL JEAN LAURENT;FLAT JEAN JACQUES;ARKEMA FRANCE |
发明人 |
LE GUILLAUME;MATHIEU CYRILLE;LOYEN KARINE;PRADEL JEAN LAURENT;FLAT JEAN JACQUES |
分类号 |
C08J3/12 |
主分类号 |
C08J3/12 |
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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