1、Research progress on modification of phenolic resin

This review covers the synthesis processes used to prepare chemically modified phenolic resins and classifies and summarizes them. The types of modifiers, the timing in adding modifiers, and the advantages and disadvantages of different synthesis processes are considered.

2、Late

Here, inspired by biosynthetic pathways of nitrile synthesis and urea activation, we present a mild Mg- and Pd-cocatalysed nitrile synthesis from carboxylic acids with the simple, inexpensive and ...

3、The Research on Phenolic Resin Modified by Nanometer

A new nanometer carboxy terminated nitrile rubber was used to modify phenolic resin in this paper. The interface reaction and heat resistance of modified resin were studied with FTIR and DTA-TG.

4、A comprehensive review on modified phenolic resin

Current research on PR modification emphasizes both physical methods, including filler enhancement and fiber reinforcement, and chemical methods, such as copolymerization, grafting, and cross‐linking.

5、Study and Application of Modified Phenolic Resin Composites

The overall performance of montmorillonite modified phenolic resin is improved remarkably, such as flow ability, tensile strength and toughness property of resin coated sand.

A kind of polybenzimidazole, carboxylated nitrile rubber joint modified

A technology of carboxylated nitrile rubber and phenolic resin foam, which is applied in the field of carboxylated nitrile rubber combined with modified phenolic resin foam and polybenzimidazole, which can solve the problems of reduced fire resistance of materials, poor toughness of phenolic foam, and reduced material performance.

Nitrile Physically Modified Resin: Exploration and Application

This article will thoroughly explore the performance characteristics, application prospects, and challenges faced by nitrile-modified phenolic resin, along with directions for improvement.

Enabling phenolic resin toughening and heat resistant: Tactics and

To satisfy high-end and demanding application requirements, phenolic resin modification always stays the research focus in this field. This review involved two main characteristics of phenolic resins, toughness and heat resistance.

The Research on Phenolic Resin Modified by Organic and Inorganic

Carboxylated nitrile latex-modified phenolic resin final synthesis to meet the performance requirements of the friction material adhesive. In this paper, the preparation and characterization of carbon black nano-modified phenolic resin.

(PDF) A review on Phenolic resin and its Composites

In this review, the state of the art related to the catalytic issues of its synthesis have been critically discussed, with particular attention to the heterogeneous systems, the reference...

The synthesis and application research of carboxylated nitrile modified phenolic resin

Carboxylated nitrile (NBD) is a kind of high-performance polymer material with excellent properties, which is widely used in rubber, coatings, adhesives and other fields. Phenolic resin is a kind of thermosetting resin with good thermal stability and mechanical strength, which is widely used in electronic packaging, composite materials and other fields. By introducing carboxylated nitrile into phenolic resin, its heat resistance, chemical resistance and mechanical properties can be significantly improved, thus opening up a new way for the development of phenolic resin. This paper will elaborate on the synthesis method, performance characteristics and application prospects of carboxylated nitrile modified phenolic resin in detail.

I. Synthesis method of carboxylated nitrile modified phenolic resin

1. Prepolymer preparation: Firstly, react phenolic resin with appropriate diamines, dibasic acids and other substances to generate prepolymers. During the reaction process, temperature, pressure and reaction time need to be controlled to obtain the expected molecular weight and functional group distribution.

2. Introduction of crosslinking agent: In the prepolymer, introduce crosslinking agents such as epoxy compounds, isocyanates, etc., through chemical reactions to form a three-dimensional network structure, thereby improving the heat resistance and mechanical strength of the material.

3. Post-treatment: Carboxylated nitrile modified phenolic resin undergoes post-treatment such as drying, cutting, grinding, etc., to obtain the desired shape and size.

II. Performance characteristics of carboxylated nitrile modified phenolic resin

1. Excellent heat resistance: Carboxylated nitrile modified phenolic resin has a higher thermal decomposition temperature and better thermal stability, allowing it to maintain stable performance at higher temperatures.

2. Good mechanical properties: The modified phenolic resin has high hardness, tensile strength and impact strength, meeting the needs of different application areas.

3. Excellent corrosion resistance: Carboxylated nitrile modified phenolic resin has good chemical stability and can maintain good performance in harsh environments such as acidic, alkaline and saline solutions.

4. Low water absorption: The modified phenolic resin has a low water absorption rate, effectively avoiding the influence of moisture on material performance.

III. Application prospects of carboxylated nitrile modified phenolic resin

1. Electronic packaging field: Carboxylated nitrile modified phenolic resin can be used as packaging materials for electronic chips, circuit boards, etc., with good electrical insulation and mechanical strength.

2. Composite materials field: Carboxylated nitrile modified phenolic resin can be used as a binder for carbon fibers, glass fibers and other reinforcing materials, improving the mechanical properties and heat resistance of composites.

3. Construction field: Carboxylated nitrile modified phenolic resin can be used in the production of building templates, fireproof doors and other materials, with good fire resistance and impact resistance.

4. Automotive field: Carboxylated nitrile modified phenolic resin can be used in the production of automotive engine parts, brake pads and other components, improving their heat resistance and wear resistance.

carboxylated nitrile modified phenolic resin, as an emerging high-performance material, has a wide range of application prospects. With continuous optimization of the synthesis method and improvement of material performance, it is expected to play a greater role in various fields in the future.