公开(公告)号：US20170210884A1

公开(公告)日：2017-07-27

申请号：US15328116

申请日：2014-11-24

Applicant: LOTTE CHEMICAL CORPORATION

Inventor： Jin Won LEE ,  Bum Jin PARK

IPC: C08K5/527 ,  B01D71/34 ,  B01D69/08 ,  D01F6/12 ,  C08K5/098

CPC classification number: C08K5/527 ,  B01D69/08 ,  B01D71/34 ,  B01D71/82 ,  B01D2325/14 ,  B01D2325/34 ,  B29B9/06 ,  B29C47/0011 ,  B29C47/0014 ,  B29C47/0066 ,  B29C47/30 ,  B29K2027/16 ,  B29K2995/0077 ,  B29K2995/0082 ,  B29K2995/0089 ,  C08K5/098 ,  C08K5/49 ,  C08K5/56 ,  C08L27/16 ,  D01F6/12 ,  D10B2505/04

Abstract: The present invention relates to a polymer resin composition including: a vinylidene fluoride-based polymer resin; and one or more types of nucleating agents selected from the group consisting of an organic phosphate and a C5-C15 bicycloalkane substituted with one or more carboxylic acid metal salt functional groups, and a polymer resin molded product prepared using the polymer resin composition.

公开(公告)号：US20150298069A1

公开(公告)日：2015-10-22

申请号：US14649127

申请日：2013-11-05

Applicant: LOTTE CHEMICAL CORPORATION

Inventor： Su Gyeong BAE ,  Kwan Soo LEE ,  Jin Won LEE ,  Jung Hwa JANG

IPC: B01D71/52 ,  B01D71/68 ,  B01D67/00 ,  C08J9/28 ,  B01D61/14

CPC classification number: B01D71/52 ,  B01D61/145 ,  B01D61/147 ,  B01D67/0009 ,  B01D67/0016 ,  B01D69/02 ,  B01D71/68 ,  B01D2325/02 ,  B01D2325/34 ,  C08J9/28 ,  C08J2201/0544 ,  C08J2205/044 ,  C08J2381/06 ,  C08K5/06 ,  C08L81/06 ,  C08L101/00 ,  C08L71/02

Abstract: Provided is a polymer resin composition for preparing a microfilter membrane or an ultrafilter membrane, a method for preparing a polymer filter membrane using the polymer resin composition, and a polymer filter membrane prepared by the method. The polymer resin composition can provide a microporous membrane that includes more uniformly distributed micropores and exhibits high water permeability.

Abstract translation: 本发明提供一种用于制备微过滤器膜或超滤膜的聚合物树脂组合物，使用该聚合物树脂组合物制备聚合物过滤膜的方法和通过该方法制备的聚合物过滤膜。 聚合物树脂组合物可以提供包含更均匀分布的微孔并显示出高透水性的微孔膜。

公开(公告)号：US20160185634A1

公开(公告)日：2016-06-30

申请号：US14909774

申请日：2014-08-08

Applicant: LOTTE CHEMICAL CORPORATION

Inventor： Mi-Hwa BAEK ,  Hong Jin JANG ,  Jong Pyo KIM ,  Jin Won LEE ,  Gyung-Bo KANG ,  Sung Ryul PARK

IPC: C02F3/20 ,  C02F3/12

CPC classification number: C02F3/208 ,  B01D65/08 ,  B01D2311/2665 ,  B01D2311/2688 ,  B01D2315/06 ,  B01D2321/185 ,  C02F3/1268 ,  C02F3/1273 ,  C02F3/201 ,  C02F2303/16 ,  Y02W10/15

Abstract: The present invention relates to an air diffuser including an air diffusing pipe in which at least two pore groups including two or more pores are formed, and a membrane bioreactor including the same.

Abstract translation: 本发明涉及一种包括空气扩散管的空气扩散器，其中形成有至少两个包含两个或更多个孔的孔群，以及包括该空气扩散管的膜生物反应器。

公开(公告)号：US20150144551A1

公开(公告)日：2015-05-28

申请号：US14552756

申请日：2014-11-25

Applicant: LOTTE CHEMICAL CORPORATION

Inventor： Jin Won LEE ,  Bum Jin PARK

IPC: B01D71/34 ,  B01D67/00 ,  B01D69/02 ,  B01D69/08

CPC classification number: B01D71/34 ,  B01D67/0011 ,  B01D69/02 ,  B01D69/08 ,  B01D69/081 ,  B01D69/087 ,  B01D2323/30 ,  B01D2325/24 ,  B01D2325/30

Abstract: The present invention relates to a polymer resin composition for preparing a hollow fiber membrane, including: a vinylidene fluoride-based polymer resin; a good solvent; a poor solvent; and one or more compounds selected from the group consisting of a bicycloalkane having 5 to 15 carbons mono- or poly-substituted with a carboxylic acid metal salt functional group and a peroxide, a preparation method of a hollow fiber membrane using the polymer

Abstract translation: 本发明涉及一种中空纤维膜的制备用聚合物树脂组合物，包括：偏二氟乙烯类聚合物树脂; 好溶剂; 溶剂不良 和一种或多种选自由羧酸金属盐官能团单取代或多取代的碳原子数为5〜15的双环烷烃和过氧化物，使用该聚合物的中空纤维膜的制备方法