公开(公告)号：US20040016903A1

公开(公告)日：2004-01-29

申请号：US10205291

申请日：2002-07-24

Applicant: Korea Institute of Science and Technology

Inventor： Byung-Gwon Lee ,  Jong-Sung Lim ,  Sang Deuk Lee ,  Chang-Nyeon Kim

IPC: F25D001/00 ,  C09K005/00

CPC classification number: C09K5/045 ,  C09K2205/12 ,  C09K2205/22 ,  C09K2205/43

Abstract: A refrigerant composition that can be a substitute for chlorodifluoromethane (HCFC-22) comprises: (a) a first constituent of difluoromethane, (b) a second constituent of 1,1,1-trifluoroethane, (c) a third constituent of 1,1-difluoroethane, and (d) a fourth constituent selected from the group consisting of 1,1,1,2,3,3,3-heptafluoropropane, isobutane, 1,1,1,2,3,3-hexafluropropane and butane.

Abstract translation: 可以代替氯二氟甲烷（HCFC-22）的制冷剂组合物包括：（a）二氟甲烷的第一组分，（b）1,1,1-三氟乙烷的第二组分，（c）1的第三组分， 和（d）选自1,1,1,2,3,3,3-七氟丙烷，异丁烷，1,1,1,2,3,3-六氟丙烷和丁烷的第四组分 。

公开(公告)号：US20040016902A1

公开(公告)日：2004-01-29

申请号：US10205264

申请日：2002-07-24

Applicant: Korea Institute of Science and Technology

Inventor： Byung-Gwon Lee ,  Jong-Sung Lim ,  Hoon Sik Kim ,  Chang-Nyeon Kim

IPC: F25D001/00 ,  C09K005/00

CPC classification number: C09K5/045 ,  C09K2205/12 ,  C09K2205/22 ,  C09K2205/43

Abstract: A refrigerant composition that can be a substitute for chlorodifluoromethane (HCFC-22) comprises: (a) a first constituent of difluoromethane, (b) a second constituent of 1,1,1-trifluoroethane, (c) a third constituent of 1,1,1,2,3,3,3-heptafluoropropane and (d) a fourth constituent selected from the group consisting of isobutane, 1,1,1,2,3,3-hexafluropropane and butane; or comprises: (a) a first constituent of difluoromethane, (b) a second constituent of 1,1,1,2-tetrafluoroethane, (c) a third constituent of 1,1,-difluoroethane, and (d) a fourth constituent selected from the group consisting of 1,1,1,2,3,3,3-heptafluoropropane, 1,1,1,2,3,3-hexafluropropane and butane.

公开(公告)号：US20030001132A1

公开(公告)日：2003-01-02

申请号：US10076725

申请日：2002-02-13

Applicant: Korea Institute of Science and Technology

Inventor： Byung-Gwon Lee ,  Jong-Sung Lim ,  Hong-Gon Kim ,  Chang-Nyeon Kim

IPC: F25D001/00 ,  C09K005/00

CPC classification number: C09K5/045 ,  C09K2205/12 ,  C09K2205/43

Abstract: The present invention relates to a refrigerant composition of four-constituent system, comprising: (a) a first constituent of difluoromethane, (b) a second constituent of 1,1,1,2,3,3,3-heptafluoropropane, (c) a third constituent selected from the group consisting of 1,1,1,2-tetrafluoroethane and 1,1-difluoroethane and (d) a for the constituent selected from the group consisting of isobutane, 1,1,1,2,3,3,-hexafluoropropane and butane, useful as a substitute for chlorodifluoromethane (HCFC-22).

Abstract translation: 本发明涉及四组分体系的制冷剂组合物，其包含：（a）二氟甲烷的第一组分，（b）1,1,1,2,3,3,3-七氟丙烷的第二组分，（c ）选自由1,1,1,2-四氟乙烷和1,1-二氟乙烷组成的组的第三组分和（d）a选自异丁烷，1,1,1,2,3 ，3,6-六氟丙烷和丁烷，可用作氯代二氟甲烷（HCFC-22）的替代物。