KR102436088B1 - 수착제 공중합체를 사용하여 혼합물 내의 유기규소 성분을 고갈시키는 방법 및 상기 방법을 실시하는 장치 - Google Patents
수착제 공중합체를 사용하여 혼합물 내의 유기규소 성분을 고갈시키는 방법 및 상기 방법을 실시하는 장치 Download PDFInfo
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- KR102436088B1 KR102436088B1 KR1020197029224A KR20197029224A KR102436088B1 KR 102436088 B1 KR102436088 B1 KR 102436088B1 KR 1020197029224 A KR1020197029224 A KR 1020197029224A KR 20197029224 A KR20197029224 A KR 20197029224A KR 102436088 B1 KR102436088 B1 KR 102436088B1
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- copolymer
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- mixture
- organosilicon component
- polyorganosiloxane
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- 229920001577 copolymer Polymers 0.000 title claims abstract description 114
- 239000000203 mixture Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 91
- 230000000779 depleting effect Effects 0.000 title claims description 6
- 239000002594 sorbent Substances 0.000 title abstract description 21
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims abstract description 10
- -1 polydimethylsiloxane Polymers 0.000 claims description 220
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 54
- 150000002430 hydrocarbons Chemical class 0.000 claims description 45
- 238000001179 sorption measurement Methods 0.000 claims description 42
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 36
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 36
- 238000006116 polymerization reaction Methods 0.000 claims description 22
- 125000004122 cyclic group Chemical group 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 18
- 239000000178 monomer Substances 0.000 claims description 14
- 239000012074 organic phase Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000008346 aqueous phase Substances 0.000 claims description 11
- 229920002554 vinyl polymer Polymers 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000002736 nonionic surfactant Substances 0.000 claims description 7
- 238000010526 radical polymerization reaction Methods 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 238000007259 addition reaction Methods 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 239000003999 initiator Substances 0.000 claims description 5
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- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 4
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- 239000010409 thin film Substances 0.000 claims description 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- 229910000077 silane Inorganic materials 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 description 48
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 32
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- 125000000217 alkyl group Chemical group 0.000 description 28
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- 229920000779 poly(divinylbenzene) Polymers 0.000 description 23
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- 239000002245 particle Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 15
- 125000000753 cycloalkyl group Chemical group 0.000 description 14
- 125000003710 aryl alkyl group Chemical group 0.000 description 12
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 12
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- 125000003342 alkenyl group Chemical group 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 10
- 125000000304 alkynyl group Chemical group 0.000 description 10
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- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical group [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 125000001188 haloalkyl group Chemical group 0.000 description 7
- 241000894007 species Species 0.000 description 7
- VMAWODUEPLAHOE-UHFFFAOYSA-N 2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 VMAWODUEPLAHOE-UHFFFAOYSA-N 0.000 description 6
- 241001507939 Cormus domestica Species 0.000 description 6
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 125000000262 haloalkenyl group Chemical group 0.000 description 6
- 125000005843 halogen group Chemical group 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 125000003367 polycyclic group Chemical group 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
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- 239000011261 inert gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
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- 239000000376 reactant Substances 0.000 description 5
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M acrylate group Chemical group C(C=C)(=O)[O-] NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 238000011109 contamination Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- 239000007792 gaseous phase Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
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- 239000002351 wastewater Substances 0.000 description 4
- 125000005023 xylyl group Chemical group 0.000 description 4
- PCTZLSCYMRXUGW-UHFFFAOYSA-N 1,1,1,2,2-pentafluorobutane Chemical group [CH2]CC(F)(F)C(F)(F)F PCTZLSCYMRXUGW-UHFFFAOYSA-N 0.000 description 3
- ZBXBDQPVXIIXJS-UHFFFAOYSA-N 2,4,6,8,10-pentakis(ethenyl)-2,4,6,8,10-pentamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane Chemical compound C=C[Si]1(C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O[Si](C)(C=C)O1 ZBXBDQPVXIIXJS-UHFFFAOYSA-N 0.000 description 3
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- 238000000944 Soxhlet extraction Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- 125000002178 anthracenyl group Chemical group C1(=CC=CC2=CC3=CC=CC=C3C=C12)* 0.000 description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 3
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 3
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 3
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- ZSWFCLXCOIISFI-UHFFFAOYSA-N endo-cyclopentadiene Natural products C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 125000004216 fluoromethyl group Chemical group [H]C([H])(F)* 0.000 description 3
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
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- 125000001620 monocyclic carbocycle group Chemical group 0.000 description 3
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
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- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 2
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Images
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/264—Synthetic macromolecular compounds derived from different types of monomers, e.g. linear or branched copolymers, block copolymers, graft copolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3425—Regenerating or reactivating of sorbents or filter aids comprising organic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3458—Regenerating or reactivating using a particular desorbing compound or mixture in the gas phase
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
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- B01D—SEPARATION
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- C—CHEMISTRY; METALLURGY
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Abstract
Description
Claims (15)
- 유기규소 성분 및 하나 이상의 다른 성분을 포함하는 혼합물 내의 상기 유기규소 성분을 고갈시키는 방법으로서, 상기 방법은
1) 다이-알케닐 작용성 방향족 탄화수소와 폴리오르가노실록산의 공중합체에 의해 상기 유기규소 성분의 적어도 일부를 수착함으로써, 수착 전의 상기 혼합물보다 적은 상기 유기규소 성분을 함유하는 고갈된 혼합물을 형성하고 상기 공중합체를 수착된 유기규소 성분으로 풍부화하여 풍부화된 공중합체를 형성하는 단계,
2) 상기 풍부화된 공중합체로부터 상기 수착된 유기규소 성분의 적어도 일부를 탈착시킴으로써, 탈착된 유기규소 성분, 및 탈착 전의 상기 풍부화된 공중합체보다 적은 상기 수착된 유기규소 성분을 함유하는 재생된 공중합체를 형성하는 단계, 및
3) 단계 1)의 반복 시에 상기 재생된 공중합체를 상기 공중합체의 전부 또는 일부로서 사용하는 단계
를 포함하는, 방법. - 제1항에 있어서, 단계 1) 동안 및/또는 단계 1) 후에 상기 고갈된 혼합물을 안내하는 단계를 추가로 포함하는, 방법.
- 제1항에 있어서, 단계 2) 동안 및/또는 단계 2) 후에 상기 탈착된 유기규소 성분을 안내하는 단계를 추가로 포함하는, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 공중합체는 다이비닐벤젠과 부가 반응 중합성 폴리다이메틸실록산의 부가 반응 생성물인, 방법.
- ◈청구항 5은(는) 설정등록료 납부시 포기되었습니다.◈제1항 내지 제3항 중 어느 한 항에 있어서, 상기 유기규소 성분은 중합도가 3 내지 12인 환형 폴리오르가노실록산, 실란, 또는 중합도가 14 이하인 비환형 폴리오르가노실록산인, 방법.
- ◈청구항 6은(는) 설정등록료 납부시 포기되었습니다.◈제1항 내지 제3항 중 어느 한 항에 있어서, 상기 혼합물의 상기 하나 이상의 다른 성분은 상기 유기규소 성분과는 구별되는 비휘발성 유기 액체 또는 비휘발성 폴리오르가노실록산 액체를 포함하는, 방법.
- ◈청구항 7은(는) 설정등록료 납부시 포기되었습니다.◈제1항 내지 제3항 중 어느 한 항에 있어서, 상기 혼합물은 공정 증기/가스 스트림이고, 상기 고갈된 혼합물은 고갈된 공정 증기/가스인, 방법.
- ◈청구항 8은(는) 설정등록료 납부시 포기되었습니다.◈제1항 내지 제3항 중 어느 한 항에 있어서, 상기 공중합체는 박막, 코팅된 지지 재료, 나노로드(nanorod), 나노스피어(nanosphere), 비드(bead), 과립, 분말, 펠렛(pellet), 미립자, 및 섬유로부터 선택되는 형태를 갖는, 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 공중합체는
i)
a)
i) 물,
선택적으로 ii) 비이온성 계면활성제, 및
iii) 염
을 포함하는 수성상; 및
b)
i) 탄화수소 용매,
ii) 분자당 하나 이상의 규소 결합된 지방족 불포화 탄화수소 기를 갖는 폴리오르가노실록산,
iii) 개시제,
iv) 다이-알케닐 방향족 탄화수소 단량체, 및
선택적으로 v) 모노-알케닐 방향족 단량체
를 포함하는 유기상
을 포함하는 성분들을 자유-라디칼 중합하는 단계; 및
ii) 그 후에 상기 용매를 제거하는 단계
를 포함하는 방법에 의해 제조되는, 방법. - ◈청구항 10은(는) 설정등록료 납부시 포기되었습니다.◈제9항에 있어서, 상기 폴리오르가노실록산은 (A) 모노 비닐 말단화된 폴리다이메틸실록산, (B) α,ω-비닐 말단화된 폴리다이메틸실록산, (C) 중합도가 3 내지 10인 환형 폴리(메틸/비닐 실록산), (D) α,ω-메타크릴옥시프로필 말단화된 폴리다이메틸실록산, 및 (E) 메타크릴옥시프로필 말단화된 폴리다이메틸실록산으로부터 선택되는, 방법.
- ◈청구항 11은(는) 설정등록료 납부시 포기되었습니다.◈제9항에 있어서, 단계 ii)는 가열에 의해 수행되는, 방법.
- ◈청구항 12은(는) 설정등록료 납부시 포기되었습니다.◈제1항 내지 제3항 중 어느 한 항에 있어서, 단계 2)는 a) 가열, b) 상기 유기규소 성분의 분압의 감소, 또는 c) a)와 b) 둘 모두로부터 선택되는 기술에 의해 수행되는, 방법.
- ◈청구항 13은(는) 설정등록료 납부시 포기되었습니다.◈제9항에 있어서, 상기 다이-알케닐 방향족 탄화수소 단량체는 다이비닐 벤젠 또는 다이알릴 벤젠을 포함하는, 방법.
- 삭제
- 삭제
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US62/470,904 | 2017-03-14 | ||
PCT/US2018/020134 WO2018169681A1 (en) | 2017-03-14 | 2018-02-28 | Method of depleting an organosilicon component in a mixture using a sorbent copolymer and apparatus for practicing the method |
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