行业验证制造数据 · 2026

弹性体乳液

基于 CNFX 目录中多个工厂资料的聚合洞察,弹性体乳液 在 橡胶和塑料制品制造 行业中通常会围绕 Total Solids Content 到 pH Value 进行能力评估。

技术定义与核心装配

一个典型的 弹性体乳液 通常集成 Elastomer Polymer Particles 与 Aqueous Medium。CNFX 上列出的制造商通常强调 Synthetic elastomers (SBR, NBR, CR) 结构,以支持稳定的生产应用。

A stable colloidal dispersion of elastomeric polymer particles in an aqueous medium.

技术定义

Elastomer emulsion is a water-based colloidal system where elastomeric polymer particles (typically in the size range of 50-500 nm) are uniformly dispersed in an aqueous continuous phase. These emulsions are stabilized by surfactants or protective colloids to prevent particle aggregation and maintain long-term stability. They are characterized by their ability to form flexible, rubbery films upon drying while being processed and applied in water-based systems.

工作原理

Elastomer emulsions function through emulsion polymerization where monomers are polymerized in water using surfactants to form stable polymer particles. When applied to a substrate and dried, the water evaporates, causing the polymer particles to coalesce and form a continuous elastomeric film. The surfactants facilitate particle dispersion during storage and application, while the elastomeric nature of the polymer provides flexibility, elasticity, and resilience in the final film.

技术参数

Total Solids Content
Percentage of non-volatile solids by weight in the emulsion%
pH Value
Acidity or alkalinity of the emulsionpH
Viscosity
Resistance to flow at specified temperature and shear ratemPa·s
Particle Size
Average diameter of elastomer particles in dispersionnm
Glass Transition Temperature
Temperature at which polymer transitions from glassy to rubbery state°C

主要材料

Synthetic elastomers (SBR, NBR, CR) Natural rubber latex Water Surfactants/emulsifiers

组件 / BOM

Elastomer Polymer Particles
Provide elasticity, flexibility, and film-forming properties
材料: Synthetic or natural elastomeric polymers
Aqueous Medium
Continuous phase for particle dispersion and application vehicle
材料: Deionized water with additives
Surfactant System
Stabilize emulsion, prevent particle aggregation, control viscosity
材料: Anionic, nonionic, or cationic surfactants
Stabilizers
Maintain emulsion stability during storage and processing
材料: Protective colloids, thickeners, pH buffers
Additives Package
Provide specific properties like UV resistance, biocides, or color
材料: Various specialty chemicals based on application requirements

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Ionic strength increase >0.1 M NaCl equivalent Electrostatic double-layer compression causing rapid coagulation Non-ionic surfactant co-stabilization with HLB 8-12, polyelectrolyte steric barrier with 10-100 kDa molecular weight
Mechanical shear rate >1000 s⁻¹ sustained for >60 s High-shear-induced coalescence and viscosity breakdown Rotor-stator homogenizer with gap >100 μm, inline static mixer with Re<2000, cooling jacket maintaining ΔT<10°C

工程推理

运行范围
范围
0.1-5.0 MPa pressure, 5-60°C temperature, pH 6.0-8.5
失效边界
Coalescence threshold at 0.01 Pa·s viscosity drop, particle agglomeration at >500 nm diameter increase, phase separation at >10% creaming/sedimentation
Ostwald ripening-driven particle growth exceeding critical radius (rc=50 nm), zeta potential collapse below ±30 mV causing electrostatic stabilization failure, surfactant depletion below critical micelle concentration (CMC=0.1-1.0 mM)
制造语境
弹性体乳液 在 橡胶和塑料制品制造 中会按材料、工艺窗口和检验要求共同评估。

别名与俗称

Rubber Emulsion Latex Emulsion Elastomeric Dispersion Water-based Elastomer

行业别名与关键词

该产品在 CNFX 数据库中的搜索词、别名和技术称呼。

应用匹配与尺寸矩阵

运行限制
pressure:Up to 10 bar (145 psi)
flow rate:0.5 to 3 m/s (1.6 to 9.8 ft/s) in pipelines
temperature:5°C to 50°C (41°F to 122°F)
slurry concentration:Up to 60% solids by weight
兼容性
Water-based adhesives and sealantsTextile coating formulationsPaper and packaging coatings
不适用:Strong oxidizing acids (e.g., concentrated nitric acid)
选型所需数据
  • Required solids content (%)
  • Application viscosity range (cP)
  • Target film thickness or coating weight (g/m²)

可靠性与工程风险分析

失效模式与根因
Chemical degradation
原因:Exposure to incompatible fluids, extreme pH levels, or high temperatures causing molecular breakdown of elastomer chains
Compression set/permanent deformation
原因:Continuous over-compression, excessive preload, or operating beyond design temperature limits leading to loss of sealing force
维护信号
  • Visible swelling, cracking, or discoloration of emulsion seals/gaskets
  • Audible hissing or increased vibration indicating seal failure and fluid leakage
工程建议
  • Implement strict chemical compatibility verification and temperature monitoring for all process fluids contacting elastomer components
  • Use proper compression tooling and torque specifications during installation to prevent over-compression and ensure uniform sealing pressure

合规与制造标准

参考标准
ISO 1629:2013 - Rubber and latices - NomenclatureASTM D1418-21 - Standard Practice for Rubber and Rubber Latices - NomenclatureDIN 53508 - Testing of rubber - Determination of tensile strength at break, tensile stress at yield, elongation at break and stress values in a tensile test
制造精度
  • Particle Size Distribution: +/- 5% of specified range
  • Solid Content: +/- 1.5% of target value
质量检验
  • Viscosity Test (ASTM D2196)
  • pH Measurement (ISO 976)

生产该产品的制造商

具备该产品生产能力的中国制造商与相关工厂资料。

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。

供应链相关产品与组件

冷却单元

自动模具喷涂与冷却系统中的一个组件,负责在喷涂操作后快速降低模具温度。

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切割转子

用于造粒设备中,将聚合物线材切割成均匀颗粒的旋转刀片组件。

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输送歧管与阀门

一种控制和引导树脂从储罐流向加工设备的分流组件。

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数字温度控制器

一种精密电子设备,用于调节和维持聚合物熔体流动指数测试仪加热料筒的温度。

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常见问题

What are the primary applications of elastomer emulsion in rubber manufacturing?

Elastomer emulsions are used as binders, coatings, and modifiers in products like adhesives, sealants, dipped goods, foam rubber, and textile backings, providing flexibility, durability, and water resistance.

How does particle size affect the performance of elastomer emulsion?

Smaller particle sizes (typically 50-500nm) improve film formation, stability, and penetration, while larger particles may enhance mechanical properties; optimal size depends on the specific application requirements.

What factors determine the shelf life and stability of elastomer emulsions?

Stability depends on the surfactant system, pH control (typically 7-10), proper emulsification, storage temperature, and protection from freezing or excessive heat to prevent coagulation or creaming.

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CNFX Industrial Index v2.6.05 · 橡胶和塑料制品制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

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