Molecular Formula of Phenolic Modified Resins

1、Molecular Formula of Phenolic Modified Resins

2、Phenolic Resins

Phenolic Resins (CAS 9003-35-4) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.

3、Phenolic resin

Phenolic resin | C8H6O2 | CID 24754 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

4、9003

热塑性酚醛树酯（诺伏腊克树脂，novolak resin）受热时仅熔化而不能变为不溶不熔状态。但在加入固化剂（如六亚甲基四胺）后则能转变为热固性，以三官能或二官能酚类为原料，在酚的用量（摩尔）超过醛的用量（摩尔）和酸性催化剂条件下生成。

5、Silicone

A silicone-modified phenolic resin (SPF) is synthesized by in-situ polymerization of 4,4′- (1,5-dipropyl-3,3-diphenyl-1,1,5,5-tetramethyltrisiloxane)bis-2-methoxyphenol (TDS), phenol and formaldehyde.

Study and Application of Modified Phenolic Resin Composites

POSS-8Phenol was added into the synthesis process of liquid thermoset phenolic resin (PR) to obtain POSS-modified phenolic resin (POSS-PR). Chemical structures of POSS-8SH, POSS-8Phenol,...

Molecular Formula of Phenolic

Phenolic epoxy resin is a kind of phenolic resins modified at the phenolic hydroxyl group to include an epoxide functional group (usually a –CH2- (C2H3O) group, where - (C2H3O) is the three-membered epoxide ring).

modified phenolic resin

modified phenol-formaldehyde resin is mainly prepared by adding an appropriate amount of modifier (such as certain amino resins, alkyd resins, etc.) to the phenolic resin, and then performing a chemical reaction, the molecular structure of the resin is changed to improve its properties.

Phenolic Resin 2402

In coating industry, it can be used to produce end coating for external use, lacquer for floor, marine coating, antirust paint, water based printing ink, and can be used as material of thin film anti-ust oil products.

PHENOL

PHENOL-FORMALDEHYDE RESIN, with the chemical formula (C6H6O)x (CH2O)y and CAS registry number 9003-35-4, is a compound known for its applications in various industries. This synthetic resin is formed by the condensation of phenol and formaldehyde, resulting in a thermosetting polymer.

In the field of modern materials science, phenolic modified resins, as a crucial class of synthetic materials, are widely utilized across various domains due to their unique physical and chemical properties. Phenolic resins, synthesized via condensation polymerization of phenolic and aldehyde compounds, belong to thermosetting resins with excellent mechanical performance, heat resistance, and electrical insulation. their brittleness and flammability have limited broader applications. Modification processes can significantly enhance their properties, expanding their usability.

The molecular formula of phenolic resins is central to understanding their characteristics and functions. The general formula is ((C_6H_5-CH_2-CH_2O)_n), where (n) represents the degree of polymerization (number of repeating units). Each repeating unit consists of a phenol ring, a methylene group, and a hydroxyl group. This structure endows phenolic resins with superior thermal stability, flame retardancy, and chemical resistance.

Molecular modifications of phenolic resins are primarily achieved by introducing different organic groups, such as aliphatic, aromatic, or heterocyclic structures, which covalently bond to the resin’s backbone. For example, incorporating aliphatic or aromatic carboxylic acids or esters into the phenolic matrix forms ester derivatives, improving flexibility and processability. Additionally, graft copolymerization can introduce functional polymer chains, imparting new properties to the resin.

Phenolic modified resins have diverse applications. In electronics, they serve as insulating materials for circuit boards, leveraging their electrical insulation and heat resistance. In construction, they act as fire-resistant coatings to enhance building fireproofing. In aerospace, they are used to manufacture high-temperature, impact-resistant composites. Their wear resistance and corrosion resistance also make them valuable in abrasion-resistant coatings and anti-corrosion materials.

phenolic modified resins have limitations. Strong intermolecular forces result in high melting points, restricting applications in high-temperature environments. Brittleness leads to cracking and fracturing, undermining practical use. To address these issues, researchers modify phenolic resins by introducing flexible segments or adjusting molecular weight distributions to improve toughness and impact resistance.

phenolic modified resins represent a specialized synthetic material whose properties can be significantly enhanced through molecular-level modifications. With technological advancements and societal needs, these resins hold vast potential for expanded applications. Future research will focus on further performance optimization and diversification to meet growing market demands.