Dendritic macromolecular coupling agent and preparation method thereof
A macromolecular coupling agent and dendritic technology, which is applied in the field of dendritic macromolecular coupling agent and its preparation, can solve the problems of inability to stably disperse inorganic particles and poor modification effect, and achieve good surface treatment effect and stability. improved effect
Inactive Publication Date: 2017-06-27
苏州炽蓝生物科技有限公司
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, provide a dendrimer coupling agent and its preparation method, to solve the poor modification effect existing in the prior art, the modified inorganic particles in the system Disadvantages of Unstable Dispersion
Method used
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Embodiment 1
[0017] Take 60 parts of carboxy-terminated dendrimers CYD-100C and 20 parts of 3-aminopropyltrimethoxysilane into a three-neck flask, gradually raise the temperature to 30° C. and react for 4 hours to obtain a dendrimer coupling agent.
Embodiment 2
[0019] Take 72 parts of carboxy-terminated dendrimers CYD-110C and 28 parts of 4-amino-3,3-dimethylbutyltrimethoxysilane into a three-necked flask, and gradually raise the temperature to 45°C for 3 hours to obtain dendrimers macromolecular coupling agent.
Embodiment 3
[0021] Take 85 parts of carboxy-terminated dendrimers CYD-120C and 35 parts of diethylenetriaminopropyltrimethoxysilane into a three-necked flask, gradually raise the temperature to 52°C for 2 hours to obtain a dendrimer coupling agent .
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The invention relates to a dendritic macromolecular coupling agent and a preparation method thereof. The dendritic macromolecular coupling agent comprises, by weight, 60-100 parts of terminal carboxyl group dendritic macromoleculars and 20-50 parts of amino silane. After the dendritic macromolecular coupling agent is applied to surface treatment of inorganic particles, dispersion effect of the modified particles in a polymer system has greater improvement than that of a micromolecular coupling agent, and meanwhile, the equivalent amount of the inorganic particles with the same quality is much smaller than that of the micromolecular coupling agent.
Description
technical field [0001] The invention relates to the technical field of coupling agents, in particular to a dendrimer coupling agent and a preparation method thereof. Background technique [0002] Resin-based composite materials refer to new materials obtained by modifying organic resin materials by adding different materials. Compared with unmodified single-type organic resin materials, they have excellent material physical properties and chemical resistance. performance, which can be applied to various industries. Composite materials with excellent performance can be obtained by strengthening and modifying organic resins with inorganic particles, but the particle size of inorganic particles is small and the surface properties are different, so that they cannot be well dispersed in organic resins, and the modification effect is much smaller than that of organic resins. It is expected that the inorganic particles must therefore be modified in order to be better applied to re...
Claims
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IPC IPC(8): C08G83/00C08K9/06
CPCC08G83/004C08K9/06C08K9/08
Inventor 张国国郑银生邵亚梁山河
Owner 苏州炽蓝生物科技有限公司
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