CN115232029B - 一种合成缩二脲多异氰酸酯的方法、催化剂及其制备方法 - Google Patents
一种合成缩二脲多异氰酸酯的方法、催化剂及其制备方法 Download PDFInfo
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- CN115232029B CN115232029B CN202210786057.3A CN202210786057A CN115232029B CN 115232029 B CN115232029 B CN 115232029B CN 202210786057 A CN202210786057 A CN 202210786057A CN 115232029 B CN115232029 B CN 115232029B
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- Prior art keywords
- catalyst
- molecular sieve
- phosphorus
- synthesizing
- diisocyanate
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- 239000003054 catalyst Substances 0.000 title claims abstract description 67
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 24
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 24
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000002808 molecular sieve Substances 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 25
- 239000011574 phosphorus Substances 0.000 claims abstract description 25
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 22
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 19
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 21
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 21
- 238000001035 drying Methods 0.000 claims description 13
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000010452 phosphate Substances 0.000 claims description 4
- -1 alkyl phosphate Chemical compound 0.000 claims description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 claims description 2
- CDMDQYCEEKCBGR-UHFFFAOYSA-N 1,4-diisocyanatocyclohexane Chemical compound O=C=NC1CCC(N=C=O)CC1 CDMDQYCEEKCBGR-UHFFFAOYSA-N 0.000 claims description 2
- QGLRLXLDMZCFBP-UHFFFAOYSA-N 1,6-diisocyanato-2,4,4-trimethylhexane Chemical compound O=C=NCC(C)CC(C)(C)CCN=C=O QGLRLXLDMZCFBP-UHFFFAOYSA-N 0.000 claims description 2
- JYFHYPJRHGVZDY-UHFFFAOYSA-N Dibutyl phosphate Chemical compound CCCCOP(O)(=O)OCCCC JYFHYPJRHGVZDY-UHFFFAOYSA-N 0.000 claims description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 claims description 2
- 239000012298 atmosphere Substances 0.000 claims description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 claims description 2
- 229910052680 mordenite Inorganic materials 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 2
- 229920002396 Polyurea Polymers 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 238000001308 synthesis method Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000178 monomer Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000004677 hydrates Chemical class 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- CLBRCZAHAHECKY-UHFFFAOYSA-N [Co].[Pt] Chemical compound [Co].[Pt] CLBRCZAHAHECKY-UHFFFAOYSA-N 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/18—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
- C07C273/1872—Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/183—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself in framework positions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
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CN202210786057.3A CN115232029B (zh) | 2022-07-04 | 2022-07-04 | 一种合成缩二脲多异氰酸酯的方法、催化剂及其制备方法 |
Applications Claiming Priority (1)
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CN202210786057.3A CN115232029B (zh) | 2022-07-04 | 2022-07-04 | 一种合成缩二脲多异氰酸酯的方法、催化剂及其制备方法 |
Publications (2)
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CN115232029A CN115232029A (zh) | 2022-10-25 |
CN115232029B true CN115232029B (zh) | 2023-07-21 |
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CN202210786057.3A Active CN115232029B (zh) | 2022-07-04 | 2022-07-04 | 一种合成缩二脲多异氰酸酯的方法、催化剂及其制备方法 |
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Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1243058C (zh) * | 2003-12-09 | 2006-02-22 | 太原理工大学 | 一种聚氨酯/分子筛复合材料及其制备方法 |
CN103724234B (zh) * | 2014-01-03 | 2015-07-15 | 万华化学集团股份有限公司 | 一种制备含有缩二脲的聚异氰酸酯的方法 |
CN106607081B (zh) * | 2015-10-21 | 2019-05-21 | 中国石油化工股份有限公司 | 一种有机磷化物改性zsm-5分子筛的方法 |
CN107649173A (zh) * | 2017-10-17 | 2018-02-02 | 上海应用技术大学 | 一种磷改性纳米hzsm‑5分子筛催化剂及其制备方法 |
CN108439428B (zh) * | 2018-03-30 | 2019-11-08 | 山东多友科技有限公司 | 一种磷改性的多级孔zsm-5分子筛及其制备方法 |
CN110833853B (zh) * | 2018-08-17 | 2021-04-06 | 中国石油化工股份有限公司 | 改性y型分子筛及其制备方法 |
CN114471676B (zh) * | 2020-10-28 | 2023-03-10 | 中国石油化工股份有限公司 | 一种裂解助剂 |
CN114073976B (zh) * | 2020-08-10 | 2023-04-07 | 中国科学院大连化学物理研究所 | 一种改性zsm-5分子筛及其制备方法和应用 |
CN113000026B (zh) * | 2021-03-04 | 2023-04-14 | 上海绿强新材料有限公司 | 一种改性复合分子筛及其制备和应用 |
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- 2022-07-04 CN CN202210786057.3A patent/CN115232029B/zh active Active
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Effective date of registration: 20250303 Address after: 261108 No. 00268, Longwei Branch Road, Binhai District, Weifang City, Shandong Province Patentee after: SHANDONG XINHECHENG FINE CHEMICAL TECHNOLOGY Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG NHU Co.,Ltd. Address before: 261108 No. 00268, Longwei Branch Road, Binhai District, Weifang City, Shandong Province Patentee before: SHANDONG XINHECHENG FINE CHEMICAL TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: SHANDONG NHU VITAMIN Co.,Ltd. Patentee before: ZHEJIANG NHU Co.,Ltd. |