![]() HHVIBTZHLRERCL-UHFFFAOYSA-N Methylsulfonylmethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 claims 6.QAPSIUMUNHNUPW-UHFFFAOYSA-N 1-methylsulfonylpropane Chemical compound CCCS(C)(=O)=O QAPSIUMUNHNUPW-UHFFFAOYSA-N 0.000 claims 6.YBJCDTIWNDBNTM-UHFFFAOYSA-N 1-methylsulfonylethane Chemical compound CCS(C)(=O)=O YBJCDTIWNDBNTM-UHFFFAOYSA-N 0.000 claims 6.MBDUIEKYVPVZJH-UHFFFAOYSA-N 1-ethylsulfonylethane Chemical compound CCS(=O)(=O)CC MBDUIEKYVPVZJH-UHFFFAOYSA-N 0.000 claims 6.239000002244 precipitate Substances 0.000 claims description 4.238000006731 degradation reaction Methods 0.000 claims description 10.230000015556 catabolic process Effects 0.000 claims description 10.-1 alkyl sulfone Chemical class 0.000 claims description 20.HXJUTPCZVOIRIF-UHFFFAOYSA-N Sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 claims description 24.XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28.238000004064 recycling Methods 0.000 claims abstract description 16.238000001914 filtration Methods 0.000 claims abstract description 16.150000003457 sulfones Chemical class 0.000 claims abstract description 50.239000004744 fabric Substances 0.000 claims abstract description 78.238000000034 method Methods 0.000 claims abstract description 86.239000002904 solvent Substances 0.000 claims abstract description 112.238000004090 dissolution Methods 0.000 title claims description 22.239000000203 mixture Substances 0.000 title claims abstract description 62.229920000742 Cotton Polymers 0.000 title claims abstract description 100.229920000728 polyester Polymers 0.000 title claims abstract description 190.Priority to EP19940111597 priority patent/EP0636646A1/en Application granted granted Critical Publication of US5342854A publication Critical patent/US5342854A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links ![]() ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Hoechst Celanese Corp filed Critical Hoechst Celanese Corp Priority to US08/098,556 priority Critical patent/US5342854A/en Assigned to HOECHST CELANESE CORPORATION reassignment HOECHST CELANESE CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Hoechst Celanese Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Serad Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US08/098,556 Inventor Susan L. Google Patents Polyester dissolution for polyester/cotton blend recycleÄownload PDF Info Publication number US5342854A US5342854A US08/098,556 US9855693A US5342854A US 5342854 A US5342854 A US 5342854A US 9855693 A US9855693 A US 9855693A US 5342854 A US5342854 A US 5342854A Authority US United States Prior art keywords sulfone polyester solvent process according cotton Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5342854A - Polyester dissolution for polyester/cotton blend recycle US5342854A - Polyester dissolution for polyester/cotton blend recycle
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