Merck
All Photos(2)

434264

Sigma-Aldrich

聚乙烯

Ultra-high molecular weight, surface-modified, powder, 125 μm avg. part. size

Linear Formula:
H(CH2CH2)nH
CAS Number:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.23

质量水平

形式

powder

分子量

(Ultra-high molecular weight)

平均零件尺寸

125 μm

mp

146 °C

转变温度

Tm (DSC) 146 °C (at peak)

密度

0.94 g/mL at 25 °C

InChI

1S/C2H4/c1-2/h1-2H2

InChI key

VGGSQFUCUMXWEO-UHFFFAOYSA-N

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This Item
81223427772428078
Polyethylene Ultra-high molecular weight, surface-modified, powder, 125 μm avg. part. size

Sigma-Aldrich

434264

聚乙烯

Polyethylene analytical standard, for GPC, 2,000

Supelco

81223

聚乙烯

Polyethylene average Mw ~4,000 by GPC, average Mn ~1,700 by GPC

Sigma-Aldrich

427772

聚乙烯

Polyethylene Linear low density, melt index 1.0 g/10 min (190°C/2.16kg)

Sigma-Aldrich

428078

聚乙烯

form

powder

form

-

form

powder

form

pellets

mp

146 °C

mp

-

mp

92 °C

mp

100-125 °C

transition temp

Tm (DSC) 146 °C (at peak)

transition temp

-

transition temp

softening point 106 °C (ring and ball)

transition temp

-

density

0.94 g/mL at 25 °C

density

-

density

0.92 g/mL at 25 °C

density

0.918 g/mL at 25 °C

mol wt

(Ultra-high molecular weight)

mol wt

Mn ~1790, Mp ~2030, Mw ~2010

mol wt

average Mn ~1,700 by GPC, average Mw ~4,000 by GPC

mol wt

-

avg. part. size

125 μm

avg. part. size

-

avg. part. size

-

avg. part. size

-

应用

可用作不饱和聚酯、环氧化物和其他聚合物的添加剂,以引入 UHMWPE 的独特性质。在工业部件、涂层和磨损表面的使用比例为 10-40%(重量百分比)。

特点和优势

极性表面基团有助于以化学或物理键键合至基体材料。可提供优越的抗磨性、降低摩擦系数,增强抗扯强度并改善防潮性。相比熔融 UHMWPE,更易处理为粒型。

外形

制品表面经过氧化,包含酸性基团和羟基基团。

储存分类代码

13 - Non Combustible Solids

WGK

WGK 3

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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