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Liquid crystal fluoroalkyl acrylic resin with suspended side chain, and preparation and use thereof

A technology of fluorine-containing alkyl acrylic acid and fluorine-containing alkyl group, which is applied in the field of side chain hanging liquid crystal fluorine-containing alkyl acrylic resin and its preparation, can solve the problems of late development and large gap of antifouling paint or paint, and achieves The effect of good antifouling properties and eco-friendliness

Inactive Publication Date: 2011-01-12
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

my country is a big shipping country, but the development of antifouling coatings or paints is relatively late. Compared with foreign countries, there is a big gap, especially at present, most of the antifouling agents on the market are monopolized by foreign coating companies.

Method used

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  • Liquid crystal fluoroalkyl acrylic resin with suspended side chain, and preparation and use thereof
  • Liquid crystal fluoroalkyl acrylic resin with suspended side chain, and preparation and use thereof
  • Liquid crystal fluoroalkyl acrylic resin with suspended side chain, and preparation and use thereof

Examples

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Embodiment 1

[0020] (1) Preparation of fluorine-containing alkyl alcohol

[0021] During preparation, under electromagnetic stirring in an oil bath, 170 mg of azobisisobutyronitrile (ABIN) initiator and 32.1 g of 1-iodoperfluorodecane were successively added to an absolutely anhydrous three-necked flask, and under the protection of nitrogen, , slowly add 10 mL of allyl alcohol dropwise, stir for 5 minutes, raise the temperature to 50°C-120°C, stir the reaction until a yellow liquid appears, then transfer the above reaction mixture to a one-necked bottle, spin dry to get a light yellow solid, and use Wash with petroleum ether and toluene until the product is a white solid, and dry it in a vacuum oven. Then this solid was dissolved in trifluorotoluene, injected into a three-necked bottle filled with AIBN after drying with a syringe, and slowly added tributyltin hydrogen (Bu 3 SnH) reducing agent, the temperature is raised to 50°C-120°C, and the reaction is stirred for 12 hours to obtain the...

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Abstract

The invention relates to lateral catenary suspension liquid crystal fluorine-containing alkyl acrylic resin, a preparation method thereof and application for the lateral catenary suspension liquid crystal fluorine-containing alkyl acrylic resin. The general structural formula of the lateral catenary suspension liquid crystal fluorine-containing alkyl acrylic resin is as shown in a figure 1, wherein R1 in the formula is H or CH3; R2 is CH3, CH2CH3, CH2CH2CH2CH3, CH2CH(CH3)2 or C(CH3)3; R3 is CF3(CF2)m(CH2)n-, m is between 2 and 10 and n is between 1 and 12; and R4 is H or CH3. The preparation method is as follows: under the action of strong base, fluorine-containing alkylol and p-chloromethyl styrene have ether reaction to prepare fluoroalkyl-substituted styrene derivatives; tetrahydrofuran and an initiator are added, and the temperature is raised to between 60 and 100 DEG C; and the fluoroalkyl-substituted styrene derivatives, 16 to 20 grams of methacrylic ester and 12 to 16 grams of glycidyl methacrylate are added into the mixture for copolyreaction. The resin has good antifouling activity, can be stable in seawater for a long time, and has eco-friendly performance.

Description

technical field [0001] The invention belongs to the field of functional resins used in marine coatings, in particular to liquid crystal fluorine-containing alkyl acrylic resins suspended from side chains and a preparation method and application thereof. Background technique [0002] As we all know, marine organisms attach to the bottom of the ship, increasing navigation resistance, reducing speed, and increasing fuel consumption during transportation; attaching to the inner wall of seawater cooling pipes will cause pipeline blockage, which will lead to major accidents; attaching to other submarine engineering structures will also cause Many adverse effects. All of these will bring huge economic losses to human beings. The traditional marine antifouling method is to use a large amount of toxic copper oxide and organotin compounds. These toxic paints or varnishes are highly antifouling and have been proven to be effective in preventing the hazards of marine fouling organisms...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08F220/10C08F212/14C08F220/32C09D133/04C09D133/14C09D5/16
Inventor 卿凤翎冯是军
Owner DONGHUA UNIV