1、Fabrication of epoxy modified polysiloxane with enhanced mechanical

Polysiloxane with aminopropyl-terminated pendant groups were synthesized. The synthesized polysiloxane copolymers shows higher reactivity. The mechanical properties and adhesion strength of the modified resins were improved greatly. The modified coatings exhibited excellent antifouling performance.

2、Facile Construction of Hyperbranched Polyphenylsiloxane

Hereby, We first synthesized hyperbranched polysiloxane with phenyl, propyl, and hydroxyl groups as terminals. Subsequently, we incorporated it into bisphenol A epoxy resin using covalent cross-linking agents to cure it for electronic packaging applications.

3、Synthesis, characterization, and analyses of mechanical

Novel heat-resistant coating materials with excellent adhesion properties were prepared by modification of polysiloxane resin (PSil) with a pre-synthesized tailored polyurethane/polyurea copolymer end-capped with siloxane (PU).

Properties of Modified Polysiloxane Resins

In this work, a phenyl propyl polysiloxane (PPPS) modified epoxy resin (P/E) was prepared using a solvent method to scrutinize the influence of varying PPPS concentrations and phase transitions on the macroscopic properties of the resin.

Epoxy resins containing sulfhydryl hyperbranched polysiloxane with

In this paper, the modifier sulfhydryl hyperbranched polysiloxane (HSiSH) was fabricated by the “one-pot” method. And investigated the effect of HSiSH on the curing temperature, mechanical and thermal properties of epoxy resin.

Post

This study prepares glass-fiber-reinforced composites with elevated mechanical properties after heat through utilizing two variants of epoxy resins modified with polysiloxane, phenolic resin, kaolin, and graphite.

Morphologies and Mechanical and Thermal Properties of

A novel polysiloxane capped with silane coupling agent, epoxide, and imino groups (AGPMS) was synthesized to modify the diglycidyl ether of bisphenol-A (DGEBA). The chemical structure of AGPMS was confirmed using Fourier transform infrared (FT-IR), (29)Si NMR, and (13)C NMR.

Synthesis, characterization, and analyses of mechanical, adhesion, and

Synthesis, characterization, and analyses of mechanical, adhesion, and thermal properties of polysiloxane resin modified with segmented polyurethane Anna M. Mikhailova, Moussa Tamboura, Meng Qiu Jia

Phenyl propyl polysiloxane modified epoxy resin I: The

In this work, a phenyl propyl polysiloxane (PPPS) modified epoxy resin (P/E) was prepared using a solvent method to scrutinize the influence of varying PPPS concentrations and phase transitions on the macroscopic properties of the resin.

Preparation and Properties of Polysiloxane Modified Epoxy Encapsulating

In order to solve the poor toughness, fatigue durability and shock resistance defects of the cured epoxy resin, in this paper, the epoxy resin was modified via dichlorodiphenyl silane as a modifier.

Abstract: Modified polysiloxane resins play a critical role in numerous industrial fields due to their unique chemical structures and physical properties. This paper elucidates the composition, structural characteristics, performance, and application domains of modified polysiloxane resins, while discussing their development trends and challenges.

1. Composition and Structural Characteristics of Modified Polysiloxane Resins Modified polysiloxane resins are novel materials formed by chemically grafting polysiloxane segments onto a polymer backbone. Their primary components include a polysiloxane main chain, cross-linking agents, initiators, and catalysts. The structural hallmark of these resins is their highly branched molecular architecture, which endows them with exceptional heat resistance, chemical corrosion resistance, solvent resistance, and mechanical properties.

2. Performance of Modified Polysiloxane Resins Modified polysiloxane resins exhibit a range of superior properties, enabling their widespread use across various sectors:

1. Thermal Resistance: The highly branched structure ensures excellent stability under high-temperature conditions.
2. Chemical Resistance: They demonstrate remarkable resistance to diverse chemicals, suitable for harsh industrial environments.
3. Solvent Resistance: These resins maintain stability in multiple solvents, preserving integrity under solvated conditions.
4. Mechanical Properties: High mechanical strength and flexibility make them versatile for manufacturing applications.
5. Optical Properties: Features such as high light transmittance and low refractive index highlight their potential in optical device fabrication.

3. Application Domains of Modified Polysiloxane Resins Owing to their distinctive properties, modified polysiloxane resins are widely employed in:

1. Coatings: As advanced coatings, they offer strong adhesion, wear resistance, and corrosion protection, finding use in construction, automotive, and other industries.
2. Electronic Encapsulation Materials: Their electrical insulation and thermal stability suit them for semiconductor packaging.
3. High-Performance Composites: When combined with other polymers, they create composites with enhanced properties for aerospace, automotive, and related fields.
4. Biomedical Materials: Biocompatibility and biodegradability allow applications in tissue engineering and drug delivery systems.

4. Development Trends and Challenges of Modified Polysiloxane Resins Despite growing demand and expanding applications, several challenges persist:

1. Cost Issues: High production costs limit competitiveness; cost reduction is a priority.
2. Environmental Concerns: Hazardous byproducts during manufacturing necessitate greener production methods.
3. Technical Barriers: Complex synthesis processes require advancements to improve efficiency and scalability.

As a novel material with unique attributes, modified polysiloxane resins hold immense potential across diverse industries. Ongoing technological progress will further enhance their performance and broaden their applications, contributing significantly to technological and societal advancements.