Novel tetrahydrofuran compounds having alicyclic structure
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US20020183529A1
公开(公告)日:2002-12-05
Tetrahydrofuran compounds of formula (1) wherein the broken line represents a single bond, a divalent organic group, or a structure in which the alicyclic structure in the form of norbornene or tetracyclo[4.4.0.1
2,5
.1
7,10
]dodecene and the tetrahydrofuran cyclic structure share one or two constituent carbon atoms, and k is 0 or 1 are novel and useful as monomers to form base resins for use in chemically amplified resist compositions adapted for micropatterning lithography.
1
Ether-containing cyclic structure-containing polymer, polymer composition for optical material, and molded article thereof, optical component and lens
申请人:Sakurai Seiya
公开号:US20110077372A1
公开(公告)日:2011-03-31
Disclosed is an ether-containing cyclic structure-containing polymer derived from a monomer represented by formula (1) below, or derived from a monomer represented by formula (1) below and a single or more species of cyclic olefinic monomer(s), having a refractive index of equal to or larger than 1.53 and an Abbe number of equal to or larger than 56. Each of R
11
to R
14
independently represents a hydrogen atom or a substituent, or R
11
to R
14
may bond with each other to form a cyclic structure; each of X and Y independently represents a substituted or non-substituted, carbon atom, oxygen atom, or sulfur atom; and m represents 0 or 1.
POLYMER, METHOD FOR PRODUCING POLYMER, RESIN COMPOSITION FOR OPTICAL MATERIAL, SHAPED ARTICLE, OPTICAL MATERIAL, AND LENS
申请人:OKUTSU Rie
公开号:US20120046420A1
公开(公告)日:2012-02-23
A polymer containing a recurring unit having an aliphatic polycyclic structure, wherein at least two atoms constituting the ring skeleton of the aliphatic polycyclic structure constitute the main chain of the polymer, and the recurring unit has an aliphatic ring containing a sulfonyl group as the constitutive group of the ring skeleton, has high refractivity, high Abbe's number, high-level heat resistance, high-level light transmittance and low water absorption.