摘要:
Compounds of formula (I): ##STR1## in which: R represents hydrogen, methyl of hydroxy; X represents an alkyl, alkenyl, cycloalkyl, aryl, aralkyl, or heterocyclic group; A represents a single bond, or an alkylene, alkenylene, alkynylene or alkadienylene group; Y represents hydrogen, or an aryl, cycloalkyl or heterocyclic group] have valuable antihypercholesteremic activities and may be used in the treatment of disorders arising from a blood cholesterol imbalance in humans and other animals.
摘要:
Provided is a button obtained by using a biomass material. The button has a heat deformation temperature of 160° C. or more, and high quality as follows; excellent in heat resistance, high in strength, excellent in dyeing properties, and also capable of having transparency to semi-transparency and/or glossiness.
摘要:
A polylactic acid composition (A) comprising a polylactic acid component (B) comprising at least 90 mol % of an L-lactic acid unit and less than 10% of copolymerizing component units other than L-lactic acid, and a polylactic acid component (C) comprising at least 90 mol % of a D-lactic acid unit and less than 10 mol % of copolymerizing component units other than D-lactic acid, which is a mixed composition with a (B)/(C) weight ratio of between 10/90 and 90/10.
摘要:
A recycling method which comprises constructing a membership computer system comprising appending to products identification displays showing that the products satisfy the standards for products scarcely giving loads to environments, easily recyclable products, highly healthy and safe products, or the like, connecting members comprising the producers A of the products to which the identification displays can be appended, product seller B, purchasers or consumers C, waste-collecting members D, collected commodity-transporting members E, and intermediate raw material producers F to an information network manager G through an information network, and totally monitoring and managing the production of the products, sales, wastes and the production of the intermediate raw materials by the information network manager G, and recycling the used products as wastes to the intermediate raw materials for producing the products, and by which the products can be produced with reduced energy, and the system thereof.
摘要:
A silacyclohexane compound represented by the following general formula (I). ##STR1## In this formula, R denotes a linear-chain alkyl group with 1-10 carbon atoms, a branched-chain alkyl group with 3-8 carbon atoms, a mono- or di-fluoroalkyl group with 1-10 carbon atoms, an alkoxyalkyl group with 2-7 carbon atoms, or an alkenyl group with 2-8 carbon atoms. ##STR2## is trans-1-silacyclohexylene or trans-4-silacyclohexylene group whose silicon at position 1 or position 4 has a substitutional group(s) of H, F, Cl or CH.sub.3. X denotes a R, OR, CN, F, Cl, CF.sub.3, CF.sub.2 Cl, CHFCl, OCF.sub.3, OCHF.sub.2, OCF.sub.2 Cl, OCHFCl, --(O).sub.m --CY.sub.1 .dbd.CX.sub.1 X.sub.2 (m denotes 0 or 1, Y.sub.1 and X.sub.1 respectively denote H, F or Cl, and X.sub.2 denotes F or Cl) or --O--C.sub.r F.sub.s H.sub.2r+1-s is (r denotes an integral of 2 to 4 and s denotes an integral of 1 to 7) group. Y denotes H or F. Z denotes H or F.
摘要:
Silicon-containing peroxyester compounds, for example, represented by the following formula: ##STR1## useful as a polymerization initiator, which compounds can produce vinyl chloride polymers having a high quality in a high yield and in a short reaction time.
摘要:
A silacyclohexane compound of the following formula (I) ##STR1## wherein R is an unsubstituted or substituted organic residue, W is H, F, Cl or methyl, X is CN, F, Cl or an unsubstituted or substituted organic residue, and Y and Z independently represent H, F or Cl. The silacyclohexane compounds are useful in liquid crystal compositions and also in liquid crystal devices.
摘要:
A silacyclohexane compound of the following formula (I) ##STR1## wherein R represents an organic residue; at least one of ##STR2## represents a substituted or unsubstituted trans-1-sila-1,4-cyclohexylene group or trans-4-sila-1,4-cyclohexylene group and the other represents a trans-1,4-cyclohexylene group, L.sub.1 and L.sub.2 independently represent H, F, Cl or CH.sub.3 ; X represents an organic residue or CN, F, Cl; and m and n are, respectively, 0 or 1 provided that m+n=1. Silacyclohexane compounds are useful in liquid crystal compositions and also in liquid crystal devices.
摘要翻译:下式(I)的硅环己烷化合物其中R表示有机残基; “IMAGE”中的至少一个表示取代或未取代的反式-1-硅烷-1,4-亚环己基或反式-4-硅烷-1,4-亚环己基,另一个表示反式-1,4-亚环己基 ,L1和L2独立地表示H,F,Cl或CH3; X表示有机残基或CN,F,Cl; 如果m + n = 1,则m和n分别为0或1。 硅环己烷化合物可用于液晶组合物和液晶装置中。
摘要:
A base Film for a photographic film, wherein (A) the base film is formed of a polyethylene-2,6-naphthalenedicarboxylate copolymer formed from 2,6-naphthalenedicarboxylic acid as a main acid component and ethylene glycol as a main glycol component; (B) a solution of 10 mg/ml of said copolymer in a hexafluoroisopropanol/chloroform mixed solvent having a hexafluoroisopropanol/chloroform weight ratio of 2/3 shows a light transmittance, T.sub.400, of at least 97%/cm at a wavelength of 400 nm; (C) the film has a yellow index, Y.sub.ID, of 5 or less; and (D) the film has a haze value of 2.0% or less.
摘要翻译:一种用于照相胶片的底片,其中(A)基膜由以2,6-萘二甲酸为主要成分和乙二醇作为主要二醇成分形成的聚2,6-萘二甲酸乙二醇酯共聚物形成; (B)将10mg / ml所述共聚物在六氟异丙醇/氯仿重量比为2/3的六氟异丙醇/氯仿混合溶剂中的溶液在400℃波长下显示出至少97%/ cm 3的透光率T400 nm; (C)膜的黄色指数YID为5以下; 和(D)膜的雾度值为2.0%以下。
摘要:
A silacyclohexane compound of formula (I): ##STR1## wherein R denotes a linear-chain alkyl group, a mono- or di-fluoroalkyl group, a branched-chain alkyl group, an alkoxyalkyl group, or an alkenyl group: at least one of ##STR2## denotes a 1-sila-1,4-cyclohexylene or a 4-sila-1,4-cyclohexylene group whose silicon at position 1 or 4 is H, F, Cl or CH.sub.3, and the other denotes a 1,4-cyclohexylene group, a 1-sila-1,4-cyclohexylene or a 4-sila-1,4-cyclohexylene group whose silicon at position 1 or 4 is H F, Cl or CH.sub.3 ; X denotes a substitutional group at an equatorial position, specifically CN, an alkyl group with its end group replaced by a trifluoromethyl group, an alkoxy group, an alkanoyloxy group, an alkoxycarbonyl group, a linear-chain alkyl group, or an alkoxyalkyl group; Y denotes a group at an axial position, specifically H or CN when Y is connected to a carbon atom in said (B) group or H, F, Cl or CH.sub.3 when Y is connected to a silicon atom in said (B) group.