Composition of quinone methide derivatives and amines for controlling and inhibiting polymerization of monomers, its preparation method and use
A technology of quinone methide and composition, applied in the polymerization of aromatic vinyl monomers, controlling and inhibiting the polymerization of monomers, which can solve the problems of depletion and inhibitor consumption
Active Publication Date: 2018-01-30
DORF KETAL CHEM (I) PTE LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
The main problem with this composition is that the inhibitor it employs is continuously and gradually depleted, and therefore, the inhibitor must be added continuously or intermittently or at least it must be ensured that the proper amount of inhibitor is maintained in the system [US'635 No. 4 column, lines 7-13]
Method used
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Embodiment
[0175] The present invention is now described with the help of the following examples, which are not intended to limit the scope of the present invention.
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The present invention relates to an additive composition for controlling and inhibiting the polymerization of monomers including styrene, wherein the composition consists of: (a) one or more quinone methide derivatives; and is characterized in that The composition additionally comprises: (b) one or more tertiary amines, wherein the tertiary amines are selected from: (i) triisopropanolamine (TIPA), (ii) N,N,N',N' -Tetrakis(2-hydroxyethyl)ethylenediamine) (THEED), and (iii) mixtures thereof. In one embodiment, the invention relates to a method for its preparation and use thereof, and a method for controlling and inhibiting the polymerization of monomers including styrene.
Description
Technical field [0001] The present invention relates to a compound containing quinone methide (QM) derivatives and amines for controlling and inhibiting the polymerization of aromatic vinyl monomers (may be called "monomers or monomer flow), especially styrene Additive composition. [0002] In one embodiment, the present invention relates to a method for preparing an additive composition containing quinone methide (QM) derivatives and amines for controlling and inhibiting the polymerization of monomers (especially styrene). [0003] In another embodiment, the present invention relates to a method for controlling and inhibiting the polymerization of aromatic vinyl monomers including styrene by using an additive composition containing quinone methide (QM) derivatives and amines. method. [0004] In another embodiment, the present invention relates to the use or method of controlling and inhibiting the polymerization of monomers (especially styrene) using additive compositions comprisi...
Claims
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IPC IPC(8): C07C7/20C08F2/40C09K15/18C09K15/24
CPCC07C7/20C08F2/38C08F2/40C07C15/46C08F12/08C08F2/42C08F12/06C09K15/18C09K15/24C08F112/08
Inventor 马赫什·苏布拉马尼亚姆
Owner DORF KETAL CHEM (I) PTE LTD