Unlock instant, AI-driven research and patent intelligence for your innovation.

Transparent resin material

A technology of transparent resin and fluorine atom, applied in the fields of instrumentation, organic chemistry, optics, etc., can solve the problems of reducing the water absorption rate of transparent resin, not yet reached, deformation and so on

Inactive Publication Date: 2005-11-30
NIPPON SHOKUBAI CO LTD
View PDF5 Cites 10 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of these transparent resins show water absorption, and the absorption of water by transparent resins causes bending or deformation of molded products, and various disadvantages such as increased conduction loss.
Therefore, although various studies are currently being conducted on reducing the water absorption of transparent resins, it has not yet reached a level suitable for use in applications such as optical communications, optical waveguides, optical recording, and liquid crystal displays.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Transparent resin material
  • Transparent resin material
  • Transparent resin material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0171] The following examples are given to illustrate the present invention in more detail, but the present invention is not limited to these examples. In addition, unless otherwise stated, "part" means "weight part", and "%" means "mass %".

[0172]Synthetic example 1 is by 4,4'-bis(2,3,4,5,6-pentafluorobenzoyl) diphenyl ether (BPDE) and 2,2-bis(pentafluorobenzoyloxyphenyl) -Synthesis of polymer (BPDE-6FBA) formed from 1,1,1,3,3,3-hexafluoropropane (6FBA)

[0173] Add 41.85g (75mmol) of BPDE, 25.20g (75mmol) of 6FBA, 51.83g (375mmol) of potassium carbonate, 31g of molecular sieve and 310g of methyl ethyl ketone (MEK), and react at 75°C for 3 hours. Then, the reaction solution was poured into 1300 mL of deionized water to obtain a polymer (BPDE-6FBA). The resulting polymer was a polymer having the following repeating units.

[0174]

Synthetic example 2

[0175] Synthesis Example 2 Synthesis of a polymer (PTFBN-HF) formed from 4-phenoxy-2,3,5,6-tetrafluorobenzonitrile (PTFBN) and fluorene-9-bisphenol (HF)

[0176] Add 13.36g (50mmol) of PTFBN, 17.52g (50mmol) of HF, 34.55g (250mmol) of potassium carbonate, 10g of molecular sieve and 70g of MEK, and react at 80°C for 5 hours. Then the reaction solution was poured into 250 mL of deionized water to obtain a polymer (PTFBN-HF). The resulting polymer was a polymer having the following repeating units.

[0177]

Synthetic example 3

[0178] Synthesis Example 3 Synthesis of PTFBN-6FBA

[0179] Add 13.36g (50mmol) of PTFBN, 16.81g (50mmol) of 6FBA, 34.55g (250mmol) of potassium carbonate, 10g of molecular sieve and 70g of MEK, and react at 80°C for 2 hours. Then, the reaction solution was poured into 250 mL of deionized water to obtain a polymer (PTFBN-6FBA). The resulting polymer was a polymer having the following repeating units.

[0180]

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Melting pointaaaaaaaaaa
Melting pointaaaaaaaaaa
Dielectric constantaaaaaaaaaa
Login to View More

Abstract

The present invention has an object to provide a transparent resin material having a low water absorption ratio without deteriorating various properties such as transparency which transparent resin has and also having a controllable refractive index. The present invention provides a transparent resin material containing a polymer capable of forming a formed product having transparency, wherein the transparent resin material comprises a fluorine atom-containing polymer and / or compound and contains 0.3 to 35% by weight of a fluorine atom in 100% by weight of the formed product.

Description

technical field [0001] The present invention relates to transparent resin materials. More specifically, the present invention relates to a transparent resin material for various applications such as optical communication, optical waveguide, optical recording, optical film, and display substrate. Background technique [0002] Polymers made of fluorine-containing compounds have good heat resistance and low hygroscopicity (low water absorption), so they are widely used in various industrial fields as raw materials for various films, electrolyte membranes for fuel cells, and engineering plastics. In recent years, these fluoropolymers have attracted attention in various industrial fields. Among them, in the field of optical and electronic components, fluorine-containing polymers excellent in transparency, electrical properties, and other physical properties are urgently needed. In addition, in the fields of optical communication, optical waveguide, optical recording, liquid cry...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C07C255/54C08G65/40
Inventor 西地爱浅子佳延表和志佐藤信平饭田俊哉石田知史
Owner NIPPON SHOKUBAI CO LTD