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Updated: Jun 10, 2025

Disentangling High Strength Copolymer Aramid Fibers to Enable the Determination of Their Mechanical Properties
06:02

Disentangling High Strength Copolymer Aramid Fibers to Enable the Determination of Their Mechanical Properties

Published on: September 1, 2018

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用30%碳纤维拉伸数据进行大尺寸增材制造的聚乙烯四甲酸甘醇的统计分析

Katie A Martin1, Jedadiah F Burroughs1, Guillermo A Riveros2

  • 1Geotechnical and Structures Laboratory (GSL), US Army Corps of Engineers (USACE) Engineer Research and Development Center (ERDC), 3909 Halls Ferry Rd., Vicksburg, MS 39180, USA.

Polymers
|October 16, 2024
PubMed
概括

制造方法和温度显著影响大格式增材制造 (LFAM) 聚合物拉伸强度. 温度是年轻人的主要因素.

关键词:
这是一个ANOVA,一个ANOVA.增材制造 (AM) 是一种增材制造.碳纤维 (CF) 是一种复合材料 复合材料 是一种复合材料.大尺寸增材制造 (LFAM) 是一种聚乙烯四甲酸甘醇 (PETG) 是一种聚乙烯四甲酸甘醇.统计分析是一种统计分析.压力度压力度的压力最终的抗拉强度是最终的抗拉强度.虚空空间是一个空虚的空间.

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Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
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Molecular Weight of Step-Growth Polymers

Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
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