Polysiloxane Film Composition for Planar Low-Contact-Angle Surfaces

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Solution Overview

Problem

Conventional super straight materials used for inkjet-adaptive planarization lack a completely planar contacting surface with low contact angles and ultraviolet-ray transmittance, necessitating improved film formation methods.

Innovation Solution

A composition for forming a silicon-containing film using a condensation-reactive thermally curable polysiloxane resin with specific organic groups that form a diol structure through plasma treatment, ensuring a contact angle of 20 degrees or less and ultraviolet-ray transmittance, along with a method involving plasma treatment and thermal curing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a film is laminated on the super straight to improve planarity, then the planar property of the contact surface is improved, but the contact angle relative to pure water becomes high (hydrophobic)

Engineering Contradiction:

Improveplanar propertyVSAvoidcontact angle

Core Design Contradiction:

Manufacturing precisionVSEase of operation

Solution Approach 1:

The patent uses a composite material consisting of a polysiloxane resin base polymer combined with specific organic groups (cyclic structures with oxygen atoms) to create a film that simultaneously achieves low contact angle and good planarity. This composite approach allows the film to exhibit both hydrophilic properties and structural integrity for planarization.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The patent changes the chemical composition parameters of the film by selecting specific polysiloxane resin structures with particular organic groups that form diol structures upon plasma treatment. This parameter change enables the film to achieve a contact angle of 20 degrees or less while maintaining planar properties.

Inventive Principle:

Principle #35Parameter changes

2Strength

If conventional glass materials are used for the super straight, then structural integrity is maintained, but ultraviolet-ray transmittance and low contact angle cannot be achieved simultaneously

Engineering Contradiction:

Improvestructural integrityVSAvoidultraviolet-ray transmittance and contact angle

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The patent changes the material parameters by using a polysiloxane resin-based composition instead of conventional glass materials. This composition can be formulated to achieve ultraviolet-ray transmittance and controlled contact angle properties while maintaining sufficient structural integrity for super straight applications.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent employs a composite material system where the polysiloxane resin base polymer is combined with specific organic groups to create a multi-functional film that provides both structural support and optimized optical and surface properties for ultraviolet-ray transmittance and low contact angle.

Inventive Principle:

Principle #40Composite materials

3Stability of the object's composition

If aromatic rings are included in the composition, then structural stability is improved, but ultraviolet-ray transmittance decreases

Engineering Contradiction:

Improvestructural stabilityVSAvoidultraviolet-ray transmittance

Core Design Contradiction:

Stability of the object's compositionVSIllumination intensity

Solution Approach 1:

The patent changes the chemical structure parameters by selecting organic groups with cyclic structures containing oxygen atoms instead of aromatic rings. This parameter change maintains structural stability through the cyclic structures while avoiding the ultraviolet absorption characteristics of aromatic rings, thereby achieving good ultraviolet-ray transmittance.

Inventive Principle:

Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The composition achieves a planar surface with low contact angles and ultraviolet-ray transmittance, enhancing film formability and in-plane uniformity, making it suitable for inkjet-adaptive planarization.

Implementation Method 1

a condensation-reactive thermally curable silicon-containing material (Sx) being a polysiloxane resin

Methodology Applied

Scientific EffectCondensation reaction: Condensation

Implementation Method 2

the material (Sx) has an organic group that forms a diol structure with a plasma treatment

Methodology Applied

Scientific EffectPlasma treatment: Plasma

Data Source

PatentUS20260029706A1Composition for forming silicon-containing film, method for forming film, and super straight

Publication Date: 2026.01.29 SHIN ETSU CHEMICAL CO LTD

AI summary

The present invention is a composition for forming a silicon-containing film, the composition including a condensation-reactive thermally curable silicon-containing material (Sx) being a polysiloxane resin, wherein the material (Sx) has an organic group that forms a diol structure with a plasma treatment, the composition for forming a silicon-containing film has no aromatic ring, and a contact angle of the composition for forming a silicon-containing film after curing and after the plasma treatment relative to pure water is 20 degrees or less. This can provide in a super straight used for inkjet-adaptive planarization: a transparent composition for forming a silicon-containing film that planarizes a contact surface and that provides an appropriate contact angle with a plasma treatment; a method for forming a film using the composition; and a super straight main body using the composition.