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    • 4. 发明申请
    • OPHTHALMOLOGIC COMPOSITION HAVING GELATION ABILITY
    • 具有凝胶能力的眼科组合物
    • US20120070381A1
    • 2012-03-22
    • US13126464
    • 2009-10-29
    • Yuichi YokoyamaToyoaki MatsuuraYoshiaki HaraMasahiko AnnakaKelichi MaruyamaSusumu Tanaka
    • Yuichi YokoyamaToyoaki MatsuuraYoshiaki HaraMasahiko AnnakaKelichi MaruyamaSusumu Tanaka
    • A61K49/00A61F2/14A61L31/06
    • A61L27/52A61F2/14A61F2/141A61F2/16A61L2400/06A61L2430/16
    • Disclosed is a material for use in ophthalmologic organ replacement, which is transparent, has controllable physical properties, and can have physical properties suitable for use as an ophthalmic tissue when the hardness of a gel produced from the material or the fluidability of a sol produced from the material at a specific temperature or lower is varied. Specifically disclosed is an ophthalmologic composition capable of forming a gel, which comprises a polyethylene glycol that is represented by formula 1 and has one end modified with a long-chain alkyl group, a polyethylene glycol that is represented by formula 2 and has both ends modified with a long-chain alkyl group, and a solvent. R1—(CH2CH2O-)n1-R2   (Formula 1) [In formula 1, R1 represents an alkyl group having 1 to 4 carbon atoms; R2 represents an alkyl group having 16 to 22 carbon atoms; and n1 represents the average number of moles of added oxyethylene groups and falls within the range from 45 to 450.] R3—O—(—CH2CH2O-)n2-R4   (Formula 2) [In formula 2, R3 and R4 independently represents an alkyl group having 16 to 22 carbon atoms; and n2 represents average number of moles of added oxyethylene groups and falls within the range from 45 to 450.]
    • 公开了一种用于眼科器官置换的材料,其是透明的,具有可控的物理性质,并且可以具有适合用作眼科组织的物理性质,当由材料产生的凝胶的硬度或由 特定温度以下的材料变化。 具体公开的是能够形成凝胶的眼科组合物,其包含由式1表示并具有一个末端用长链烷基修饰的聚乙二醇,由式2表示并具有两端修饰的聚乙二醇 具有长链烷基和溶剂。 R 1(CH 2 CH 2 O-)n1-R 2(式1)[式1中,R 1表示碳原子数1〜4的烷基, R2代表具有16-22个碳原子的烷基; 并且n1表示加成的氧化乙烯基的平均摩尔数,并且在45〜450的范围内。] R 3 -O - ( - CH 2 CH 2 O-)n 2 -R 4(式2)[式2中,R 3和R 4独立地表示 具有16-22个碳原子的烷基; n2表示加成氧化乙烯基的平均摩尔数,在45〜450的范围内。
    • 7. 发明授权
    • Method and apparatus for fabricating non-vulcanized pneumatic rubber
fenders
    • 制造非硫化气动橡胶护舷的方法和装置
    • US4054476A
    • 1977-10-18
    • US643132
    • 1975-12-22
    • Yoshiaki HaraYusaku WakiYasuo MinaiKatumi Nakamura
    • Yoshiaki HaraYusaku WakiYasuo MinaiKatumi Nakamura
    • B29D22/02E02B3/26B63B59/02
    • B29D22/023E02B3/26
    • Process and apparatus for fabricating a pneumatic rubber fender comprising a cylindrical body of a combination of a plurality of rubber and reinforced rubber layers, both of the terminal ends of which are closed so that compressed air can be sealed therein. In the fabrication process, the cylindrical body of a non-vulcanized rubber fender, one end of which is closed by a first end plate, is firstly formed on a fabrication drum provided with a cylindrical portion and an end plate portion closing one end of the cylindrical portion. The connection of a second end plate with an opened free end of the above-mentioned cylindrical body of the non-vulcanized rubber fender is carried out in such a condition that the above-mentioned opened free end is turned back while the cylindrical body of the non-vulcanized rubber fender is mounted on the fabrication drum. After completion of the above-mentioned connecting operation, the non-vulcanized rubber fender is withdrawn from the fabrication drum and thereafter subjected to the vulcanizing operation.
    • 用于制造气动橡胶挡泥板的方法和装置,包括多个橡胶层和增强橡胶层的组合的圆柱体,两个末端都被封闭,以便可以将压缩空气密封在其中。 在制造过程中,未硫化的橡胶翼子板的圆柱体首先由第一端板封闭,首先形成在制造鼓上,该制造鼓设有圆柱形部分和端板部分, 圆柱形部分。 第二端板与上述未硫化橡胶翼子板的圆柱体的敞开自由端的连接是在上述开口自由端回转的状态下进行的, 非硫化橡胶挡泥板安装在制造鼓上。 在完成上述连接操作之后,将未硫化的橡胶翼子板从制造鼓中取出,然后进行硫化操作。