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    • 91. 发明授权
    • Optical lens comprised of high surface hardness transparent resin
    • 光学透镜由高表面硬度透明树脂组成
    • US5440358A
    • 1995-08-08
    • US107975
    • 1993-08-18
    • Toshiyuki SuzukiKatsuyoshi SasagawaMasao ImaiYoshinobu Kanemura
    • Toshiyuki SuzukiKatsuyoshi SasagawaMasao ImaiYoshinobu Kanemura
    • C07C333/04C07D251/34C07D493/10C08F212/14C08F212/34G02B1/04G11B7/253G02C7/02
    • C07D493/10C07C333/04C07D251/34C08F212/14C08F212/34G02B1/041G11B7/253
    • The present invention relates to a high surface hardness transparent resin having excellent scratch resistance, heat resistance and chemical resistance, a glazing material, a protective cover for display devices, an optical lens and a hard coat material comprising the aforesaid resin, and a novel polymerizable monomer which is useful as a raw material of the above-mentioned resin.The monomer is represented by the formula (I) ##STR1## (wherein R is an aliphatic residue having or non having an halogen atom, an oxygen atom, an alicyclic ring, a heterocyclic ring or an aromatic ring, an alicyclic residue, or a heterocyclic residue, n is an integer of 1 to 4, when n=1, X is oxygen or sulfur, when n.gtoreq.2, X's are all oxygen or all sulfur, one X is oxygen while the other X or X's are sulfur, one X is sulfur while the other X or X's are oxygen, or two X's are oxygen while the other X's are sulfur),The aforsaid high surface hardness transparent resin comprises a crosslinked polymer prepared by copolymerizing a monomer (A) represented by the formula (I) and a monomer (B) having, in one molecule, m functional groups of at least one kind selected from the group consisting of CH.sub.2 .dbd.CH--C(O)--O--, CH.sub.2 .dbd.C(CH.sub.3)--C(O)--O--and ##STR2## where (n+m) is an integer of 3 or more.
    • 本发明涉及耐刮擦性,耐热性和耐化学性优异的高表面硬度透明树脂,玻璃材料,显示装置用保护罩,光学透镜和包含上述树脂的硬涂层材料,以及新型可聚合的 可用作上述树脂的原料的单体。 单体由式(I)表示(I)(其中R是具有或不具有卤素原子,氧原子,脂环族,杂环或芳环的脂肪族残基,脂环族残基 或杂环残基,n为1〜4的整数,当n = 1时,X为氧或硫,当n> = 2时,X全部为氧或全部硫,一个X为氧,另一个为X或 X是硫,一个X是硫,而另一个X或X是氧,或两个X是氧,而另一个X是硫)。无机高表面硬度透明树脂包括通过共聚表示的单体(A)制备的交联聚合物 通过式(I)和在一个分子中具有选自CH 2 = CH-C(O)-O-,CH 2 = C(CH 3))中的至少一种的m个官能团的单体(B) -C(O)-O-和,其中(n + m)为3以上的整数。
    • 94. 发明授权
    • Low-hygroscopic sulfur-containing urethane resin, coating material and
adhesive
    • 低吸湿性含硫聚氨酯树脂,涂料和粘合剂
    • US5126425A
    • 1992-06-30
    • US483768
    • 1990-02-23
    • Katsuyoshi SasagawaYoshinobu KanemuraMasao Imai
    • Katsuyoshi SasagawaYoshinobu KanemuraMasao Imai
    • C08G18/38C09D175/04C09J175/04
    • C08G18/3876C09D175/04C09J175/04C08G2280/00
    • There are here provided a low-hygroscopic sulfur-containing and crosslinked structure-having urethane resin, urethane resin plate and shape-recoverable molding article which is prepared by first selecting a polyisocyanate compound having m (which is an integer of 2 or more) isocyanate groups in one molecule and a polythiol compound having n (which is an integer of 2 or more) thiol groups in one molecule so that the total number of m+n may be 5 or more, and then polymerizing the composition of the polyisocyanate compound and the polythiol compound; a low-hygroscopic sulfur-containing urethane coating material which comprises the above composition; and a low-hygroscopic sulfur-containing urethane adhesive which comprises the composition. In the resin of the present invention, its water absorption is as low as a level of 0.02 to 0.20% by weight, and its adhesion to a hard coating film is also good. The coating material and the adhesive of the present invention have a long pot life, a low water absorption and a high adhesive force even after dipping in warm water.
    • 这里提供了一种低吸湿含硫交联结构的聚氨酯树脂,聚氨酯树脂板和形状可恢复成型制品,其通过首先选择具有m(其为2以上的整数)异氰酸酯的多异氰酸酯化合物 在一个分子中具有n(其为2以上的整数)硫醇基的多硫醇化合物,使得m + n的总数为5以上,然后使多异氰酸酯化合物的组合物和 多硫醇化合物; 包含上述组合物的低吸湿性含硫聚氨酯涂料; 和含有该组合物的低吸湿性含硫聚氨酯粘合剂。 在本发明的树脂中,其吸水率低至0.02〜0.20重量%,对硬涂膜的粘附性也良好。 本发明的涂料和粘合剂即使浸入温水中也具有长使用期,低吸水性和高粘合力。
    • 96. 发明授权
    • Light valve for use in a color display unit with a diffraction grating
assembly included in the valve
    • 用于具有包括在阀中的衍射光栅组件的彩色显示单元的光阀
    • US4751509A
    • 1988-06-14
    • US870189
    • 1986-06-03
    • Keiichi KubotaMasao Imai
    • Keiichi KubotaMasao Imai
    • G02F1/133G02F1/13357G09G3/00G09G3/36
    • G02F1/133621G02F1/132G09G3/002G09G3/025G02F2201/305
    • In a display unit for use in projecting projection light onto a screen to display a picture, a light valve comprises a diffraction grating assembly for selecting one of chrominance components included in an incident light given through one surface of the light valve. The diffraction grating assembly is divided into a plurality of grating elements arranged to give different colors corresponding to the chrominance components. In addition, a control beam, such as a laser, is incident onto the other surface of the light valve to selectively scan the grating elements and to heat selected ones of the grating elements through an energy converting film. Thus, the incident light is subjected to modulation on the grating elements in accordance with heat energy and emitted through a liquid crystal as controlled light from the light valve. The controlled light is sent as the projection light to the screen.
    • 在用于将投影光投影到屏幕上以显示图像的显示单元中,光阀包括用于选择包括在通过光阀的一个表面的入射光中的一个色度分量的衍射光栅组件。 衍射光栅组件被分成多个光栅元件,其被布置成给出对应于色度分量的不同颜色。 此外,诸如激光器的控制光束入射到光阀的另一表面上,以选择性地扫描光栅元件并通过能量转换膜加热所选光栅元件。 因此,入射光根据热能对光栅元件进行调制,并通过液晶作为受光从光阀发射。 受控光作为投影光发送到屏幕。
    • 98. 发明授权
    • Optical recording method and media therefor
    • 光记录方法及其介质
    • US4707425A
    • 1987-11-17
    • US879827
    • 1986-06-26
    • Katsuyoshi SasagawaKunio NishiharaHiroshi OzawaMasao Imai
    • Katsuyoshi SasagawaKunio NishiharaHiroshi OzawaMasao Imai
    • G03C5/16G11B7/246
    • G03C5/16G03C5/164G11B7/246G11B7/2492G11B7/252G11B7/2585Y10S430/146Y10S430/167Y10S430/168
    • An optical recording method which comprises providing a recording layer containing a recording susbstance that has an absorption maximum in the visible and near infrared wavelength region of 600 to 1,200 nm and loses or diminishes its power to absorb visible or near infrared radiation in the aforesaid wavelength region upon exposure to ultraviolet radiation, X-rays, an electron beam or an ion beam, and irradiating desired locations of the recording layer with ultraviolet radiation, X-rays, an electron beam or ion beam to form a pattern based on the presence or absence, or variation in strength, of the power to absorb visible or near infrared radiation in the aforesaid wavelength region so as to record information in the recording layer; a method for reading optically recorded information which comprises illuminating a pattern formed as described above with laser light having a wavelength in the aforesaid visible and near infrared region and detecting the presence or absence, or variation in intensity, of absorption of the laser light to read the recorded information; and optical recording media for use in the above-described optical recording method.
    • 一种光记录方法,包括提供包含在600至1,200nm的可见光和近红外波长区域中具有最大吸收的记录载体的记录层,并且损失或减少其功率以吸收前述波长区域中的可见光或近红外辐射 在暴露于紫外线,X射线,电子束或离子束的同时,用紫外线,X射线,电子束或离子束照射记录层的所需位置,以形成基于有无的 或强度的变化,以吸收上述波长区域中的可见光或近红外辐射,以便将信息记录在记录层中; 用于读取光学记录信息的方法,其包括用上述可见光和近红外区域中的波长的激光照射如上所述形成的图案,并且检测激光的吸收的存在或不存在或变化,以便读取 记录的信息; 以及用于上述光学记录方法的光学记录介质。