行业组件数据 · 2026

交联剂

Cross-linking agents for silicone resin that form a three-dimensional network to enhance mechanical and thermal properties.

技术定义与适配语境
典型 交联剂 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

Cross-linking agents are chemical compounds used in silicone resin formulations to create covalent bonds between polymer chains, resulting in a thermoset network. This process improves the resin's hardness, elasticity, chemical resistance, and thermal stability. Common cross-linking agents for silicone resins include organosilicon compounds such as tetraethoxysilane (TEOS), methyltrimethoxysilane (MTMS), and vinyl-functional siloxanes. They are typically added in controlled amounts during the curing stage and activated by heat, moisture, or catalysts.

组件规格

定义
Cross-linking agents are chemical compounds used in silicone resin formulations to create covalent bonds between polymer chains, resulting in a thermoset network. This process improves the resin's hardness, elasticity, chemical resistance, and thermal stability. Common cross-linking agents for silicone resins include organosilicon compounds such as tetraethoxysilane (TEOS), methyltrimethoxysilane (MTMS), and vinyl-functional siloxanes. They are typically added in controlled amounts during the curing stage and activated by heat, moisture, or catalysts.
工作原理
Cross-linking agents contain multiple reactive functional groups (e.g., alkoxy, vinyl, or silanol) that react with functional groups on silicone polymer chains (e.g., Si-OH or Si-H). Upon activation (heat, moisture, or catalyst), these reactions form siloxane (Si-O-Si) bridges, linking separate polymer chains into a three-dimensional network. This network restricts chain mobility, increasing rigidity, thermal stability, and resistance to solvents and chemicals.
材料
Typically organosilicon compounds: tetraethoxysilane (TEOS)methyltrimethoxysilane (MTMS)vinyltrimethoxysilane (VTMS)or proprietary siloxane oligomers. Purity >98%moisture content <0.1%.
Density
0.9-1.1 g/cm³
Reactivity
Hydrolytic sensitivity
Shelf Life
12 months in sealed container
Flash Point
>30°C
Boiling Point
120-170°C
标准
ISO 9001ASTM D5288

行业分类与别名

交联剂 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Excessive moisture during storage->Premature hydrolysis and gelation of cross-linking agent->Use desiccants and nitrogen blanket; store in sealed containers.
Incorrect dosage->Insufficient crosslinking (soft resin) or over-crosslinking (brittle resin)->Use precise metering and quality control testing.

工业生态与工程逻辑

0
Moisture sensitivity leading to premature curing
1
Skin and eye irritation
2
Flammability at high temperatures

合规与检测

tolerance
±0.5% of specified concentration
test method
Titration for functional group content; viscosity measurement per ASTM D2196

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the typical dosage of cross-linking agent in silicone resin?

Typically 1-10% by weight of resin, depending on desired crosslink density and application.

How do I store cross-linking agents?

Store in a cool, dry place away from moisture and heat. Keep containers tightly sealed.

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CNFX Industrial Component Index · 化学制造

数据基础

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初步技术归类
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URN:CNFX:ME:UNIT:CROSS_LINKING_AGENTS