可降解聚合物和一种溶剂使可降解颗粒开始形成

—种方法，其包括提供可降解聚合物和一种溶剂，其中溶剂包含选自以下组中的含水流体淡水、盐水、卤水、海水、及它们的组合。下面详细讲讲：

A method comprising providing a degradable polymer and a solvent, wherein the solvent comprises an aqueous fluid, fresh water, brine, sea water, and combinations thereof, selected from the following groups:. The following details:

将可降解聚合物和溶剂组合形成可降解聚合物组合物；使可降解聚合物至少部分增塑；对可降解聚合物组合物施加足够大的剪切，以使可降解颗粒开始形成；将至少部分的可降解颗粒加入砾石充填物组合物中；以及使可降解颗粒降解。

Combining a degradable polymer and a solvent to form a degradable polymer composition; Plasticizing the degradable polymer at least partially; Apply enough shear to the degradable polymer composition to start the formation of degradable particles; Adding at least part of the degradable particles into the gravel packing composition; And degrading the degradable particles.

其中可降解聚合物选自以下组中脂族聚酯、聚(丙交酯)、聚(乙交酯)、聚(s-己内酯)、聚(羟基酯醚)、聚(羟基丁酸酯)、聚(酸酐)、聚碳酸酯、聚(原酸酯)、聚(氨基酸)、聚(环氧乙烷)、聚(磷腈)、聚醚酯、聚酯酰胺、聚酰胺、及它们的共聚物、混合物或衍生物。

The degradable polymer is selected from the following groups: aliphatic polyester, poly (lactide), poly (glycolide), poly (s-caprolactone), poly (hydroxyester ether), poly (hydroxybutyrate), poly (anhydride), polycarbonate, poly (orthoester), poly (amino acid), poly (ethylene oxide), poly (phosphazene), polyether ester, polyester amide, polyamide, and their copolymers, mixtures or derivatives.

其中溶剂还包括以下至少一种成分甲醇、乙醇、碳酸亚丙酯、丙二醇、聚乙二醇、异丙醇、多元醇、甘油聚环氧乙烷、低聚乳酸、柠檬酸酯、柠檬酸三丁酯低聚物、柠檬酸三乙酯、柠檬酸乙酰基三丁酯、柠檬酸乙酰基三乙酯、葡萄糖单酯、不完全脂肪酸酯、PEG单月桂酸酯、甘油三醋酸酯、聚(e-已内酰胺)、聚(羟基丁酸酯)、甘油-l-苯甲酸酯-2，3-二月桂酸酯、甘油-2-苯甲酸酯-l,3-二月桂酸酯、双(丁基二甘醇)己二酸酯、乙基邻苯二甲酰乙基甘醇酸酯、甘油二乙酸单辛酸酯、二乙酰基单酰基甘油、聚丙二醇(及其环氧衍生物)、聚(丙二醇)二苯甲酸酯、双丙甘醇二苯甲酸酯、甘油、乙基邻苯二甲酰乙基甘醇酸酯、聚(己二酸亚乙酯)二硬脂酸酯、已二酸二异丁酯，及它们的混合物或衍生物。

The solvent also includes at least one of the following components: methanol, ethanol, propylene carbonate, propylene glycol, polyethylene glycol, isopropanol, polyol, glycerol polyoxyethylene, oligolactic acid, citrate, tributyl citrate oligomer, triethyl citrate, acetyl tributyl citrate, acetyl triethyl citrate, glucose monoester, incomplete fatty acid ester, PEG monolaurate, glycerol triacetate Poly (e-caprolactam), poly (hydroxybutyrate), glycerine-l-benzoate-2,3-dilaurate, glycerine-2-benzoate-l,3-dilaurate, bis (butyl diglycol) adipate, ethyl phthaloyl ethyl glycolate, glycerol diacetate monooctanoate, diacetyl monoacylglycerol, polypropylene glycol (and its epoxy derivatives), poly (propylene glycol) dibenzoate, dipropylene glycol dibenzoate, glycerin Ethyl phthaloyl ethyl glycolate, poly (ethylidene adipate) distearate, diisobutyl adipate, and mixtures or derivatives thereof.

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The degradable polymer and a solvent make the degradable particles begin to form. This is part of the content. If you don't understand this, you can come to our website //www.ucgmex.com Consult!