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    • 5. 发明申请
    • METHOD FOR PRODUCING A COPOLYMER FOR PHOTORESIST
    • 用于生产光电聚合物的共聚物的方法
    • US20100222526A1
    • 2010-09-02
    • US12702356
    • 2010-02-09
    • Tomo OikawaEiichi Ikawa
    • Tomo OikawaEiichi Ikawa
    • C08F2/00C08G63/08C08G65/00C08G73/00C08G65/34C08G73/24
    • C08F2/06C08F2/00C08F220/28
    • The present invention provides a method for production of a copolymer for photoresists in which the bias of the monomer composition ration is small. This method for production is a method for production of a copolymer for photoresists, which copolymer containing at least two types of repeating units, the method having a supplying step of supplying a monomer solution and a solution containing a polymerization initiator into a polymerization reaction system, wherein the range of fluctuation of the monomer composition ratio of unreacted monomers is within the range between minus 15% and plus 15% or the standard deviation of the monomer composition ratio of unreacted monomers is within 2 in the polymerization reaction system during the period from the start of the polymerization reaction to the end of supplying of the monomer solution.
    • 本发明提供一种制备光聚合物共聚物的方法,其中单体组成比例的偏差小。 该制造方法是制造光致抗蚀剂共聚物的方法,该共聚物含有至少两种重复单元,该方法具有将单体溶液和含有聚合引发剂的溶液供给到聚合反应体系中的供给工序, 其中未反应单体的单体组成比的波动范围在-15%和15%之间的范围内,或者在聚合反应体系中未反应单体的单体组成比的标准偏差在2以内的范围内 开始聚合反应直到单体溶液的供应结束。
    • 6. 发明申请
    • PROCESS FOR PRODUCING FLUOROPOLYMER PARTICLES
    • 生产氟聚合物颗粒的方法
    • US20100160598A1
    • 2010-06-24
    • US12644306
    • 2009-12-22
    • Susumu SAITOTetsuji SHIMOHIRATakashi SAEKIJunichi TAYANAGI
    • Susumu SAITOTetsuji SHIMOHIRATakashi SAEKIJunichi TAYANAGI
    • C08G75/00C08G73/24
    • C08F6/24C08F6/001C08F6/003C08F6/12C08F6/20C08F6/22C08F14/18C08L27/12C08F2/04
    • To provide a process for producing fluoropolymer particles, whereby formation of fine particles is suppressed.A process for producing fluoropolymer particles, which comprises (i) a step of preparing a solution or dispersion of a fluoropolymer (A) having the fluoropolymer (A) dissolved or dispersed in a solvent (B), wherein the solvent (B) contains a good solvent (B2) whereby the degree of swelling of the fluoropolymer (A) exceeds 50%, and the degree of swelling of the fluoropolymer (A) by the solvent (B) is from 50 to 1,200%; and (ii) a step of mixing the solution or dispersion of a fluoropolymer (A) with a solvent (C) to flocculate the fluoropolymer (A) thereby to form particles of the fluoropolymer (A), wherein the solvent (C) contains a poor solvent (C1) whereby the degree of swelling of the fluoropolymer (A) is at most 50%, the degree of swelling of the fluoropolymer (A) by a mixed solvent (BC) of the solvents (B) and (C) is from 0 to 100%, the ratio (WC/WB) of the mass (WC) of the solvent (C) to the mass (WB) of the solvent (B) is from 1 to 5, and the ratio (SBC/SB) of the degree of swelling (SBC) of the fluoropolymer (A) by the mixed solvent (BC) to the degree of swelling (SB) of the fluoropolymer (A) by the solvent (B) is at most 0.5.
    • 提供一种生产含氟聚合物颗粒的方法,从而抑制细颗粒的形成。 一种制备含氟聚合物颗粒的方法,其包括(i)制备溶解或分散在溶剂(B)中的含氟聚合物(A)的含氟聚合物(A)的溶液或分散体的步骤,其中溶剂(B)含有 良溶剂(B2),含氟聚合物(A)的溶胀度超过50%,溶剂(B)的含氟聚合物(A)的溶胀度为50〜1200% 和(ii)将含氟聚合物(A)的溶液或分散体与溶剂(C)混合以使含氟聚合物(A)絮凝从而形成含氟聚合物(A)的颗粒的步骤,其中溶剂(C)含有 不良溶剂(C1),含氟聚合物(A)的溶胀度为50%以下,溶剂(B)和(C)的混合溶剂(BC)的含氟聚合物(A)的溶胀度为 0〜100%时,溶剂(C)的质量(WC)与溶剂(B)的质量(WB)的比(WC / WB)为1〜5,比例(SBC / SB )混合溶剂(BC)的含氟聚合物(A)的溶胀度(SBC)与溶剂(B)的含氟聚合物(A)的溶胀度(SB)之比为0.5以下。
    • 10. 发明申请
    • Process for preparing peroxidic perfluoropolyethers
    • 制备过氧化全氟聚醚的方法
    • US20060205921A1
    • 2006-09-14
    • US11366598
    • 2006-03-03
    • Giuseppe MarchionniPier GuardaElvira Pagano
    • Giuseppe MarchionniPier GuardaElvira Pagano
    • C08G73/24
    • C08G65/007
    • A process for preparing peroxidic perfluoropolyethers having a perioxidic content (PO) lower than or equal to 1.2 of formula A-CF2O(CF2CF2O)m(CF2O)n—(CF2CF2OO)m1(CF2OO)n1CF2—B  (I) Wherein A, B equal to or different from each other are —C1, —F, —F2CC1, —COF, —OCOF, —CF3, m, m1, n, n1 are integers such that the (m+m1)/(n+n1) ratio is between 0.6 and 1.3 and the m/n ration is between 0.5 and 1.2; the number average molecular weight is in the range 35,000-45,000, by tetrafluoroethylene (TFE) photooxidation in the presence of UV light, at a temperature from −80° C. to −40° C., in the presence of a mixture of solvents formed of HFC-227 (hepta-fluoropropane) and a solvent selected between HFC-125 (pentafluoroethane) and FC-218 (perfluoropropane).
    • 一种制备过氧化全氟聚醚的方法,该过氧化全氟聚醚具有低于或等于式(β)的1.2的线型式描述=“在线公式”中的最大值=“铅”→A-CF2 (CF 2 O 2)O(CF 2 O 2)O(CF 2 O 2)n(CF 2 O 2)n (CF 2 O 2)m1(CF 2 O 2)n1(CF 2 O 2)n1 其中A,B等于或不同于每一个,其中A,B等于或不同于每个 其它是-C1,-F,-F2C1,-COF,-OCOF,-CF3,m,m1,n,n1是整数,使得( m + m1)/(n + n1)的比例在0.6和1.3之间,m / n比在0.5和1.2之间; 在UV光的存在下,在-80℃至-40℃的温度下,在溶剂混合物存在下,数均分子量在35,000-45,000范围内,通过四氟乙烯(TFE)光氧化 由HFC-227(七氟丙烷)和选自HFC-125(五氟乙烷)和FC-218(全氟丙烷)之间的溶剂形成。