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恩欣格Ensinger高性能PEEK塑料化合物技术方案

Release time:2025-05-26Author:小编

恩欣格Ensinger高性能PEEK塑料化合物技术方案

一、产品系列概览

Ensinger提供多种工程塑料化合物,涵盖以下核心类别:

  1. 高温聚合物
    • PEEK(聚醚醚酮)
    • PEI(聚醚酰亚胺,商品名:Ultem)
    • PPSU(聚苯砜)
  2. 耐磨材料
    • PTFE改性化合物
    • PA(尼龙)基含油/碳纤维增强材料
  3. 特种工程塑料
    • PPS(聚苯硫醚)
    • PVDF(聚偏氟乙烯)
    • LCP(液晶聚合物)

二、核心性能特点

材料类型

耐温范围 (°C)

化学稳定性

机械性能

特殊功能

PEEK

-60~260

耐酸碱、有机溶剂

高强度、高刚性

生物相容性、阻燃

PEI

-160~170

耐弱酸、耐醇类

高尺寸稳定性

低烟低毒(航空)

PPSU

-100~180

耐热水、蒸汽

优异抗蠕变性

医疗级灭菌兼容

PTFE改性

-200~260

超强耐腐蚀

极低摩擦系数(μ<0.1)

自润滑、无油运行

PPS

-40~220

耐燃油、冷却剂

高刚性+耐疲劳

电磁屏蔽增强型


三、典型应用场景

1. 汽车工业

  • 部件案例:涡轮增压器组件(PEEK)、传感器壳体(PPS)
  • 优势:耐油、耐高温老化,替代金属减重30-50%

2. 医疗设备

  • 部件案例:手术器械手柄(PEI)、灭菌托盘(PPSU)
  • 优势:伽马射线灭菌耐受性,符合ISO 10993生物兼容标准

3. 电子电气

  • 部件案例:连接器(LCP)、绝缘套管(PVDF)
  • 优势:CTI>600V,满足UL94 V-0阻燃等级

4. 工业设备

  • 部件案例:轴承衬套(PTFE改性)、泵阀组件(PPS)
  • 优势:免润滑设计,耐化学腐蚀寿命提升3-5倍

四、成型加工指南

1. 注塑成型参数

参数

PEEK典型值

PEI典型值

PPS典型值

熔体温度

360-400°C

340-380°C

300-330°C

模具温度

160-180°C

120-150°C

130-150°C

注射压力

80-120 MPa

70-100 MPa

60-90 MPa

干燥条件

150°C×4hr

150°C×4hr

120°C×3hr

2. 关键工艺控制点

  • PEEK/PPSU:需严格控温防止热降解,建议使用氮气保护料斗
  • 含油材料:避免使用过滤网,防止润滑剂流失
  • LCP:高流动特性,适合薄壁件(0.2mm以下)精密成型

五、可视化说明建议

(需结合官网图片库完善,以下为描述性指引)

  1. 材料形态:颗粒状原料(展示颜色/添加剂差异)
  2. 微观结构:SEM图显示玻纤/碳纤增强界面
  3. 应用案例
    • 汽车:涡轮增压器部件装配示意图
    • 医疗:高温灭菌环境下的器械组件
    • 电子:高密度连接器剖面结构

 

Technical Proposal for Ensinger High-Performance Plastic Compounds
(Framework based on Ensinger Plastics’ product portfolio. For detailed specifications, refer to official technical documents.)


1. Product Portfolio Overview

Ensinger offers a wide range of engineered plastic compounds, including:

  1. High-Temperature Polymers
    • PEEK (Polyetheretherketone)
    • PEI (Polyetherimide, brand: Ultem®)
    • PPSU (Polyphenylsulfone)
  2. Wear-Resistant Materials
    • PTFE-modified compounds
    • PA (Nylon) with oil/carbon fiber reinforcement
  3. Specialty Engineering Plastics
    • PPS (Polyphenylene Sulfide)
    • PVDF (Polyvinylidene Fluoride)
    • LCP (Liquid Crystal Polymer)

2. Key Performance Characteristics

Material

Temp. Range (°C)

Chemical Resistance

Mechanical Properties

Special Features

PEEK

-60~260

Acids, solvents, fuels

High strength, rigidity

Biocompatible, flame retardant

PEI

-160~170

Weak acids, alcohols

Dimensional stability

Low smoke/toxicity (aviation)

PPSU

-100~180

Steam, hot water

Anti-creep

Medical-grade sterilization

PTFE-Modified

-200~260

Extreme corrosion resistance

Ultra-low friction (μ<0.1)

Self-lubricating

PPS

-40~220

Fuels, coolants

High rigidity, fatigue resistance

EMI shielding options


3. Typical Applications

Automotive Industry

  • Components: Turbocharger parts (PEEK), sensor housings (PPS)
  • Benefits: 30-50% weight reduction vs. metal, oil/heat resistance

Medical Devices

  • Components: Surgical instrument handles (PEI), sterilization trays (PPSU)
  • Benefits: Gamma-ray sterilization compatibility, ISO 10993 compliance

Electronics

  • Components: Connectors (LCP), insulating sleeves (PVDF)
  • Benefits: CTI >600V, UL94 V-0 flame retardancy

Industrial Equipment

  • Components: Bearing bushings (PTFE-modified), pump valves (PPS)
  • Benefits: Maintenance-free operation, 3-5x longer chemical resistance

4. Processing Guidelines

Injection Molding Parameters

Parameter

PEEK

PEI

PPS

Melt Temp.

360-400°C

340-380°C

300-330°C

Mold Temp.

160-180°C

120-150°C

130-150°C

Injection Pressure

80-120 MPa

70-100 MPa

60-90 MPa

Drying Conditions

150°C ×4hrs

150°C ×4hrs

120°C ×3hrs

Critical Process Controls

  • PEEK/PPSU: Prevent thermal degradation with strict temperature control; N purging recommended.
  • Oil-filled grades: Avoid mesh filters to retain lubricants.
  • LCP: Ideal for thin-wall molding (<0.2mm) due to high flowability.

5. Visual Documentation (Conceptual)

(Reference Ensinger’s image library for actual visuals)

  1. Material Forms: Granular raw materials (colors/additives).
  2. Microstructure: SEM images showing fiber reinforcement interfaces.
  3. Applications:
    • Automotive: Turbocharger assembly diagrams.
    • Medical: Sterilizable device components.
    • Electronics: High-density connector cross-sections.

 

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