摘要:
A heat-sensitive recording material comprising a base and one or more heat-sensitive color-forming layers containing an electron donating colorless dye and an electron accepting organic compound is disclosed, wherein at least one of said color-forming layers contains a urea derivative having a least 7 carbon atoms or a urethane derivative having at least 8 carbon atoms.
摘要:
A novel light-sensitive heat-sensitive composition is disclosed, comprising a photohardenable composition, a dye which discolors upon reacting with a base, and a base precursor. A novel light-sensitive heat-sensitive recording material is also disclosed, comprising a support having provided thereon the above described light-sensitive heat-sensitive composition. In a preferred embodiment, the dye is a spectral sensitizing dye for the photohardenable composition. Furthermore, a novel image formation process is disclosed, comprising the steps of: (a) imagewise exposing the light-sensitive heat-sensitive recording material to light to cure the exposed portions of the recording material; and (b) uniformly heating the imagewise exposed recording material to discolor the dye in the unexposed portions thereof. A second image formation process is disclosed, comprising the steps of: (a) imagewise heating the light-sensitive heat-sensitive recording material to discolor the dye in the heated portions of the recording material; and (b) uniformly exposing the imagewise heated recording material to light to cure the unheated portions thereof.
摘要:
A positive-working light-sensitive composition comprises a diazonium salt represented by the following general formula (I) and an alkali-soluble polymer: ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl group having 3 to 18 carbon atoms; R.sup.2 represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted phenoxy group or a halogen atom; A represents an organic group; X.sup.-- represents a counterion or an anion; n is an integer ranging from 1 to 4 and m is an integer ranging from 1 to 3, provided that the sum of n and m is equal to 4. The positive-working light-sensitive composition has high sensitivity and can ensure the formation of clear images.
摘要翻译:正性工作感光性组合物包含由以下通式(I)表示的重氮盐和碱溶性聚合物:其中R 1表示取代或未取代的碳原子数为3〜18的烷基; R 2表示氢原子,取代或未取代的烷基,取代或未取代的芳基,取代或未取代的烷氧基,取代或未取代的苯氧基或卤素原子; A代表有机基团; X-表示抗衡离子或阴离子; n为1〜4的整数,m为1〜3的整数,n和m之和等于4.正性感光性组合物的灵敏度高,可以确保 清晰的图像。
摘要:
A novel diazo type recording material is provided comprising a recording layer containing at least one light-sensitive diazo compound incorporated in microcapsules and a coupling component which undergoes reaction with said diazo compound in a basic atmosphere to develop a color on a support, wherein said coupling component is a mixture of at least one compound represented by the following general formula [I] and at least one compound represented by the following general formula [II]: ##STR1## wherein A represents an alkylene group having from 1 to 22 carbon atoms containing an ether or thioether bond; B represents hydrogen atom, cyclohexyl group, morpholino group or piperidino group; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, alkoxy group having from 1 to 5 carbon atoms or halogen atom.
摘要:
A light- and heat-sensitive recording material is disclosed which includes a support having thereon a recording layer containing a diazo compound, a coupling component, and an organic base compound, wherein the diazo compound is a 1-substituted amino-3-alkoxybenzene-4-diazonium salt and the coupling component is a compound prepared from any of cyclohexane-1,3-dione, 3-cyclohexenone, or 2-cyclohexenone. The light- and heat-sensitive recording material according to the present invention can develop an excellent magenta color hue and has excellent storage properties before recording use (shelf life).
摘要:
A heat-sensitive recording material comprising a support having provided thereon a heat-sensitive recording layer which comprises (a) a diazo compound, (b) a coupling component which forms a coloration by coupling with the diazo compound, and (c) a basic substance having a structural unit represented by Formula (I): ##STR1##
摘要:
A thermal recording material comprising a support having thereon at least one layer containing an electron donating colorless dye, an electron accepting compound and a diaryloxyalkane derivative represented by the following general formulae (I) to (III) Ar.sup.1 O (CH.sub.2).sub.n OAr.sup.2 (I) Ar.sup.2 O--W--OAr.sup.3 (II) Ar.sup.2 OR--X--ROAr.sup.3 (III) wherein Ar.sup.1 represents an aryl group having at least one substituent selected from the group consisting of an alkoxyl group containing 2 or more carbon atoms, an alkoxycarbonyl group containing 3 or more carbon atoms, an aryloxyl group, an aryloxycarbonyl group, an alkenyl group containing 2 or more carbon atoms, an aryl group containing 4 or more carbon atoms an acyloxyl group containing 2 or more carbon atoms, a fulorine atom, a bromine atom, a carboxyl group, an alkylenedioxy group, a cycloalkyl group and a hydroxyl group; Ar.sup.2 and Ar.sup.3 each represents a substituted or unsubstituted aryl group the substituent thereof being selected from the group consisting of an alkyl group, an alkenyl group a cycloalkyl group, a cycloaklenyl group, a halogen atom, an acyl group, an acyloxyl group, an alkoxyl group, a thioalkoxyl group, a alkoxycarbonyl group, an aryloxycarbonyl group, an aryloxyl group, a cyano group, a hydroxyl group, a carboxyl group, an aryl group, an alkylenedioxy group and an aralkyl group and Ar.sup.2 and Ar.sup.3 are the same or different; R represents a divalent group containing from 1 to 6 carbon atoms; X represents --S--, --OCH.sub.2 O--, ##STR1## (wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a halogen atom, a hydroxyl group, an alkoxyl group, an acyloxyl group or a lower alkyl group and R.sup.1 and R.sup.2 are the same or different; R.sup.3 represents a hydrogen atom, a lower alkyl group, a lower alkoxyl group or a halogen atom; and m is an integer of 1 or 2) W represents a branched alkylene group, and n is an integer of from 1 to 10.
摘要:
A heat-sensitive recording paper which is comprised of a support base having a heat-sensitive color forming layer thereon is disclosed. The layer contains a colorless or faint color electron donating dye, a bisphenol and a straight chain fatty acid amide. The recording sensitivity of the paper is greatly increased by incorporating a phenol derivative having the general formula ##STR1## wherein R is an alkyl group or an aralkyl group and Y represents a phenyl group, an alkyl group, a cycloalkyl group or a halogen atom.
摘要:
A diazo heat-sensitive recording material which comprises a support having thereon a heat-sensitive recording layer comprising a diazo compound, a coupling component, a basic substance, and a binder; wherein the coupling component is an acylacetanilide represented by the formula (I): ##STR1## wherein R.sub.1 is substituted or unsubstituted alkyl or aryl; R.sub.2 is substituted or unsubstituted alkyl or aralkyl; R.sub.3 is substituted of unsubstituted alkyl, alkoxy, aralkyloxy, alkylthio, or aralkylthio, substituted amino, or halogeno; the total number of carbon atoms in R.sub.2 and (R.sub.3).sub.n is 5 or more; n is zero or an integer of from 1 to 4; and the R.sub.3 's may be the same or different when n is 2 or more, which is useful for forming a yellow color image and providing a developed color image with higher light-fastness, less soiling of a non-image area, and improved uniformity in color-developing layer due to the use of a more oil-soluble coupling component.
摘要翻译:一种重氮热敏记录材料,其包括其上具有包含重氮化合物,偶联组分,碱性物质和粘合剂的热敏记录层的载体; 其中所述偶联组分是由式(I)表示的酰基乙酰苯胺:(*化学结构*)(I)其中R 1是取代或未取代的烷基或芳基; R2是取代或未取代的烷基或芳烷基; R 3取代未取代的烷基,烷氧基,芳烷氧基,烷硫基或芳烷硫基,取代的氨基或卤素; R2和(R3)n中的碳原子总数为5以上; n为0或1〜4的整数; 当n为2以上时,R3可以相同或不同,这对于形成黄色图像有用,并且提供具有较高耐光性,较少污染非图像区域的显影彩色图像,并且改善了均匀性 由于使用更多的油溶性偶联组分,显色层。
摘要:
A light-reaction type optically active compound and light-reaction type chiral agent of the following general formula (I) or (II). In the general formulae, R1 and R2 represent a hydrogen atom, an alkoxy group having 1 to 15 carbon atoms, an acryloyloxyalkyloxy group having 3 to 15 carbon atoms in total or a methacryloyloxyalkyloxy group having 4 to 15 carbon atoms in total.