Acrylate compound, preparing process thereof and its use

An acrylate and compound technology, applied in the field of acrylate polymers, can solve the problems of lowering the quality of liquid crystal displays, failing to meet demands, and generating static electricity.

Inactive Publication Date: 2003-10-29
ETERNAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the rubbing method has many disadvantages
First of all, friction will generate dust, which will reduce the quality of LCD; second, friction will generate static electricity, destroy thin film transistors, etc., so that the pass rate of the product is not high; third, friction can only be implemented on the flat surface, and for curved surfaces Can not use friction method
Therefore, the rubbing method does not meet the needs in the current market

Method used

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  • Acrylate compound, preparing process thereof and its use

Examples

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Effect test

Embodiment example 1

[0049] Example Example 1 Preparation of Acryloyl Chloride

[0050] Acrylic acid (68 mL, 1.0 mol) and phosphorus trichloride (29 mL, 0.33 mol) were added to a flask equipped with a reflux condenser. The mixture was heated slowly to a slight boil, then turned off the heat. After standing for 2 hours to separate the layers of the reaction mixture, separate the supernatant liquid, add cuprous chloride (1.0 g) as a polymerization inhibitor, and then distill under reduced pressure to collect fractions at 30-40°C / 140mmHg. Example 2 Preparation of methacryloyl chloride

example 2

[0051] A flask equipped with a reflux condenser was charged with methacrylic acid (83 mL, 1.0 mol) and phosphorus trichloride (29 mL, 0.33 mol). The mixture was heated slowly to a slight boil. After standing still for 2 hours, the reaction mixture was separated into layers, and the supernatant liquid was separated. Cuprous chloride (1.0 g) was added as a polymerization inhibitor, and the methacryloyl chloride product was obtained by distillation under reduced pressure. Example 3 (1) Synthesis of 4-hydroxyl chalcone (4-hydroxyl chalcone)

example 3

[0051] A flask equipped with a reflux condenser was charged with methacrylic acid (83 mL, 1.0 mol) and phosphorus trichloride (29 mL, 0.33 mol). The mixture was heated slowly to a slight boil. After standing still for 2 hours, the reaction mixture was separated into layers, and the supernatant liquid was separated. Cuprous chloride (1.0 g) was added as a polymerization inhibitor, and the methacryloyl chloride product was obtained by distillation under reduced pressure. Example 3 (1) Synthesis of 4-hydroxyl chalcone (4-hydroxyl chalcone)

[0052] Weigh 2.44 grams (0.02 moles) of 4-hydroxybenzaldehyde and 2.40 grams (0.02 moles) of acetophenone, dissolve it with 5 milliliters of absolute ethanol, then slowly drop into 5.5 milliliters of 50% KOH solution, then add an appropriate amount of Dilute hydrochloric acid produces precipitation, which is 4-hydroxychalcone. (2) Preparation of (4-hydroxychalcone) acrylate (MACH)

[0053] Weigh 1 g (0.004464 moles) of 4-hydroxychalcone a...

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Abstract

An acrylate compound containing photosensitive chalcone groups in its side chain, its preparing process, and its use in preparing acrylate polymer are disclosed. A liquid crystal orientating materialcontaining said polymer is also disclosed.

Description

technical field [0001] The invention relates to an acrylate polymer used in an alignment layer of a liquid crystal display (Liquid Crystal Display, LCD) and a preparation method thereof. Background technique [0002] The flat-panel displays currently on the market are mainly divided into field emission displays (FED, Field Emission Display), plasma displays (PDP, Plasma Display) and liquid crystal displays, among which liquid crystal displays have low driving voltage, low power consumption, and long life. And low radiation and other advantages, has become the mainstream of the market. [0003] In the manufacturing process of liquid crystal displays, liquid crystal alignment technology is one of the key technologies that determine the quality of liquid crystal displays. Because the liquid crystal is sandwiched between two substrates, it is difficult to obtain a uniform alignment. Therefore, it is usually necessary to coat a layer of inorganic or organic film on the inner wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C69/54C08F220/10
Inventor 朱文崇白鹤于海峰连彦青王晓工
Owner ETERNAL MATERIALS CO LTD
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