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1.发明申请公开(公告)号：US20200283612A1
公开(公告)日：2020-09-10
申请号：US16882792
申请日：2020-05-26
发明人： Peter MORRIS
摘要： A method of forming a melt-processable water soluble polymer composition having a high Melt Flow Index comprising blending a water soluble polymer with at least 15% by weight of the total weight of the composition of a hygroscopic salt to act as a lubricant to render the polymer extrudable and/or mouldable and with a solvent polymer plasticizer, the hygroscopic salt being partially dissolved in the solvent polymer plasticizer, wherein the solvent polymer plasticizer is mono-propylene glycol, di-propylene glycol or a combination thereof.
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公开(公告)号：US20210370571A1
公开(公告)日：2021-12-02
申请号：US16882794
申请日：2020-05-26
发明人： Peter MORRIS
IPC分类号： B29C48/14 , B29C48/355 , B29C48/76 , B29B9/06
摘要： A method of creating a processable water soluble polymer, the method comprising the steps of: extruding a water soluble polymer composition from an extruder barrel without use of a die, wherein the extruder barrel is not vented other than via its extruder outlet, to produce an irregularly shaped polymer extrudate; directing the irregularly shaped polymer extrudate onto a chilled conveyor to cool the irregularly shaped polymer extrudate to below 60° C.; and granulating the irregularly shaped polymer extrudate to form a granulate.
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公开(公告)号：US20190270875A1
公开(公告)日：2019-09-05
申请号：US16417680
申请日：2019-05-21
发明人： Peter MORRIS
摘要： A method of making a water soluble polymer composition comprising blending a water soluble polymer with at least 15% by weight of the total weight of the composition of a hygroscopic salt to act as a lubricant to render the polymer extrudable and/or mouldable, wherein the water content of the composition is of less than 10% by weight of the total weight of the composition.
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公开(公告)号：US20170369693A1
公开(公告)日：2017-12-28
申请号：US14779979
申请日：2014-03-18
发明人： Peter MORRIS
CPC分类号： C08L29/04 , C08F16/06 , C08F2500/12 , C08K5/0016 , C08K5/098
摘要： A melt-processable water soluble polymer composition having a high Melt Flow Index comprising a blend of a water soluble polymer with at least 15% by weight of the total composition of a hygroscopic salt to act as a lubricant to render the polymer extrudable and/or mouldable, wherein the water content of the salt is of less than 10% by weight, and optionally a solvent polymer plasticizer in a lower amount by weight percent than the hygroscopic salt.
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