Low-smoke halogen-free high-temperature-resistant flame-retardant vinyl ester resin and preparation method thereof
A vinyl ester resin and high-temperature-resistant technology, which is applied in the field of low-smoke, halogen-free, high-temperature flame-retardant vinyl ester resin and its preparation, can solve problems such as unstable preparation process, poor flame-retardant effect, and environmental protection, and achieve Precise formula design, moderate viscosity, excellent flame retardant effect
Active Publication Date: 2014-09-10
CHANGZHOU HUAKE POLYMERS
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AI Technical Summary
Problems solved by technology
[0006] The purpose of the present invention is to solve the deficiency of the existing low-smoke, halogen-free, high-temperature flame-retardant vinyl ester resin, and provide a low-smoke, halogen-free, flame-retardant vinyl est
Method used
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Embodiment 1
[0024] Weigh each component according to the following mass:
[0025]
[0026]
[0027] Put raw materials A, B, C, D, and E into the reaction kettle, react at 110°C for 4 hours, then dissolve in F, add G after cooling down to room temperature, stir evenly, and store in airtight.
Embodiment 2
[0029]
[0030] Put raw materials A, B, C, D, and E into the reactor, react at 120°C for 2 hours, then dissolve in F, add G after cooling down to room temperature, stir evenly, and store in airtight.
Embodiment 3
[0032]
[0033] Put raw materials A, B, C, D, and E into the reactor, react at 100°C for 5 hours, then dissolve in F, add G after cooling down to room temperature, stir evenly, and store in airtight.
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The invention relates to a low-smoke halogen-free high-temperature-resistant flame-retardant vinyl ester resin and a preparation method thereof and belongs to the technical field of flame-retardant vinyl ester resins. The low-smoke halogen-free high-temperature-resistant flame-retardant vinyl ester resin is prepared by carrying out a series of reactions on substances such as an epoxy resin, unsaturated monobasic acid, a reactive flame retardant, an additive flame retardant, a catalyst, a polymerization inhibitor and a crosslinking monomer. The vinyl ester resin consists of raw materials at low price, the preparation cost is low, the comprehensive effects of the reactive flame retardant and the additive flame retardant are combined, and the flame-retardant effect is superior to that of like products in the market. The flame-retardant resin is low in smoke and halogen-free and can replace a brominated flame-retardant chemical modification vinyl-based resin with the halogen environment protection problem; and moreover, the flame-retardant resin is moderate in viscosity, good in construction performance and high in settling resistance, has outstanding corrosion resistance and high temperature resistance, can be used for building materials, automobile parts and the like and is particularly suitable for hand lay-up railway carriage parts and other low-smoke halogen-free flame-retardant glass fiber reinforced plastic products.
Description
technical field [0001] The invention relates to a flame-retardant vinyl ester resin, in particular to a low-smoke, halogen-free, high-temperature-resistant flame-retardant vinyl ester resin and a preparation method thereof. Background technique [0002] The novolac epoxy resin is introduced into the skeleton of the vinyl ester resin, and the synthesized vinyl ester resin is generally called novolac vinyl ester resin. The resin has high thermal stability. After the resin is cured, the cross-linking density is high. Its heat distortion temperature reaches 140-160°C, which can prolong the service life and has excellent corrosion resistance, especially for chlorine-containing solutions or organic solvents. In order to meet the needs of high temperature resistance and strength, many manufacturers have modified phenolic epoxy vinyl ester resin to improve the crosslinking density and heat resistance of the resin, and have excellent acid resistance, solvent corrosion resistance an...
Claims
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Patent Timeline
Login to view more IPC IPC(8): C08F283/10C08G59/17C08G59/16C08G59/14C08K3/22C08K3/38
Inventor 钱伟顾浩张明
Owner CHANGZHOU HUAKE POLYMERS
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