CN110078889B - 一种制备浅色且存储色号稳定的甲苯二异氰酸酯基多异氰酸酯组合物固化剂的方法 - Google Patents
一种制备浅色且存储色号稳定的甲苯二异氰酸酯基多异氰酸酯组合物固化剂的方法 Download PDFInfo
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- CN110078889B CN110078889B CN201910322075.4A CN201910322075A CN110078889B CN 110078889 B CN110078889 B CN 110078889B CN 201910322075 A CN201910322075 A CN 201910322075A CN 110078889 B CN110078889 B CN 110078889B
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- Prior art keywords
- toluene diisocyanate
- color number
- trimethylolpropane
- temperature
- curing agent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
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Claims (19)
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CN201910322075.4A CN110078889B (zh) | 2019-04-22 | 2019-04-22 | 一种制备浅色且存储色号稳定的甲苯二异氰酸酯基多异氰酸酯组合物固化剂的方法 |
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CN201910322075.4A CN110078889B (zh) | 2019-04-22 | 2019-04-22 | 一种制备浅色且存储色号稳定的甲苯二异氰酸酯基多异氰酸酯组合物固化剂的方法 |
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CN110078889A CN110078889A (zh) | 2019-08-02 |
CN110078889B true CN110078889B (zh) | 2021-04-20 |
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CN201910322075.4A Active CN110078889B (zh) | 2019-04-22 | 2019-04-22 | 一种制备浅色且存储色号稳定的甲苯二异氰酸酯基多异氰酸酯组合物固化剂的方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111961185B (zh) * | 2020-08-27 | 2022-07-12 | 万华化学集团股份有限公司 | 一种多亚甲基多苯基多异氰酸酯组合物及其制备方法 |
CN112239416B (zh) * | 2020-11-02 | 2022-09-16 | 万华化学集团股份有限公司 | 一种低水解氯和水解溴的甲苯二异氰酸酯的制备工艺 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1084507A (zh) * | 1992-06-23 | 1994-03-30 | 三井东压化学株式会社 | 生产亚甲基交联的多亚苯基多异氰酸酯的方法 |
CN103848954A (zh) * | 2014-02-28 | 2014-06-11 | 万华化学集团股份有限公司 | 一种低色号环保型聚氨酯固化剂的制备方法 |
CN103881050A (zh) * | 2014-02-11 | 2014-06-25 | 万华化学集团股份有限公司 | 一种浅色聚异氰酸酯固化剂的制备方法 |
CN104387555A (zh) * | 2014-12-19 | 2015-03-04 | 广东美涂士建材股份有限公司 | 超低游离tdi含量的环保固化剂及其制备方法 |
CN105131698A (zh) * | 2015-09-17 | 2015-12-09 | 广东聚盈化工有限公司 | 一种低游离tdi固化剂及制备方法 |
CN109415307A (zh) * | 2016-10-26 | 2019-03-01 | 三井化学株式会社 | 五亚甲基二异氰酸酯的制造方法 |
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2019
- 2019-04-22 CN CN201910322075.4A patent/CN110078889B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1084507A (zh) * | 1992-06-23 | 1994-03-30 | 三井东压化学株式会社 | 生产亚甲基交联的多亚苯基多异氰酸酯的方法 |
US5364958A (en) * | 1992-06-23 | 1994-11-15 | Mitsui Toatsu Chemicals, Incorporated | Process for the production of methylene-crosslinked polyphenylene polyisocyanate |
CN103881050A (zh) * | 2014-02-11 | 2014-06-25 | 万华化学集团股份有限公司 | 一种浅色聚异氰酸酯固化剂的制备方法 |
CN103848954A (zh) * | 2014-02-28 | 2014-06-11 | 万华化学集团股份有限公司 | 一种低色号环保型聚氨酯固化剂的制备方法 |
CN104387555A (zh) * | 2014-12-19 | 2015-03-04 | 广东美涂士建材股份有限公司 | 超低游离tdi含量的环保固化剂及其制备方法 |
CN105131698A (zh) * | 2015-09-17 | 2015-12-09 | 广东聚盈化工有限公司 | 一种低游离tdi固化剂及制备方法 |
CN109415307A (zh) * | 2016-10-26 | 2019-03-01 | 三井化学株式会社 | 五亚甲基二异氰酸酯的制造方法 |
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GR01 | Patent grant | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: The invention relates to a method for preparing a curing agent of toluene diisocyanate based polyisocyanate composition with light color and stable storage color number Effective date of registration: 20211123 Granted publication date: 20210420 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: Wanhua Chemical Group Co.,Ltd. Registration number: Y2021980013026 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220622 Granted publication date: 20210420 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: Wanhua Chemical Group Co.,Ltd. Registration number: Y2021980013026 |