✦ LIBER ✦

The molecular structure and polarizabilities of poly(aryl ether ketone)s

✍ Scribed by Mitsuhiro Shibata; Ryutoku Yosomiya; Yang-Chuan Ke; Yu-Bin Zhen; Zhong-Wen Wu

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 407 KB
Volume: 5
Category: Article
ISSN: 1022-1344
DOI: 10.1002/mats.1996.040050214

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Relationship between molecular structure

Relationship between molecular structure and thermal properties of poly(aryl ether ketone)s

✍ Mitsuhiro Shibata; Ryutoku Yosomiya; Junzuo Wang; Yubin Zheng; Wanjin Zhang; Zho 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 294 KB

## Abstract Five kinds of poly(aryl ether ketone)s (PAEKs) having para‐substituted linear molecular chains were synthesized via nucleophilic substitution reaction of the corresponding difluoro‐ and dihydroxy‐compounds. The glass transition temperature and melting temperature of the PAEKs measured t

Crystal structure and crystallinity of p

Crystal structure and crystallinity of poly(aryl ether biphenyl ether ketone ketone)

✍ Tianxi Liu; Zhishen Mo; Shanger Wang; Hongfang Zhang; Hui Na; Zhongwen Wu 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 365 KB

## Abstract The crystal structure of poly(aryl ether biphenyl ether ketone ketone) (PEDEKK) was determined to comprise a two‐chain orthorhombic unit cell with dimensions __a__ = 0.778 nm, __b__ = 0.606 nm and __c__ = 2.375 nm by using wide‐angle X‐ray diffraction (WAXD). According to the orthorhomb

Sulfonated poly(aryl ether ketone)s

✍ Ulrich, Hans-Heinz ;Rafler, Gerald 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 78 KB 👁 1 views

Several kinds of commercially available polymers of the type poly(oxy-1,4-phenylenecarbonyl-1,4-phenylene) were sulfonated by reaction with mixtures of sulfuric acid and oleum. The ether/carbonyl group ratio of the polymer chain varied from 0.67 to 2.0. With decreasing amounts of ether links in the

The crystal structure and drawing induce

The crystal structure and drawing induced polymorphism in poly(aryl ether ketone)s, 3. Crystallization during hot-drawing of poly(ether ether ketone ketone)

✍ Shanger Wang; Tianxi Liu; Zhishen Mo; Junzuo Wang; Feng Xu; Zhongwen Wu 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 407 KB

## Abstract The evolution of crystallinity and polymorphism during hot‐drawing of amorphous poly(ether ether ketone ketone) (PEEKK) as a function of strain rate, draw ratio, and temperature was investigated. In modification I, the competition of chain extension and molecular alignment is responsibl

Synthesis and properties of poly(aryl et

Synthesis and properties of poly(aryl ether ketone ketone)/poly(aryl ether ether ketone ketone) copolymers with pendant cyano groups

✍ Yikai Yu; Fen Xiao; Mingzhong Cai 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 114 KB 👁 1 views

Crystallographic Equivalence of Ether an

Crystallographic Equivalence of Ether and Ketone Groups in Poly(aryl ether ketone)s

✍ Zhaobin Qiu; Zhishen Mo; Hongwei Zhou; Hongfang Zhang; Zhongwen Wu 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 78 KB 👁 2 views