摘要:
The invention relates to a UV additive for aminoplast resins, to a method for producing a UV additive as well as to uses thereof. Said UV additive contains soluble sterically-hindered nitroxyl compounds in an aqueous aminoplast precondensate. A UV additive for aminoplast resins with several application forms is thus obtained.
摘要:
The invention relates to a UV-resistant, thermocurable aminoplast composite consisting of lignocellulose and/or cellulose impregnated with a stabiliser and an aminoplast containing stabilisers. The invention also relates to the production and use of said composite.
摘要:
The invention relates to a UV additive for aminoplast resins, to a method for producing a UV additive as well as to uses thereof. Said UV additive contains soluble sterically-hindered nitroxyl compounds in an aqueous aminoplast precondensate. A UV additive for aminoplast resins with several application forms is thus obtained.
摘要:
Mineral oil compositions with trace portions of additives contain as additive a comb polymer containing ester linkages, either based on a) ethylene-vinylester copolymers modified by hydroxy groups or glycidyl groups with molecular mass weight averages from 3000 to 50000 and an ethylene portion of 50 to 90 mass %, and b) partially imidated and/or partially esterified maleic anhydride copolymers, wherein in the comb polymer based on a) and b) the modified ethylene-vinylester copolymer component is connected by means of ester linkages to the partially imidated and/or partially esterified maleic anhydride copolymer component, or a comb polymer containing ester linkages based on c) ethylene-vinylester copolymers modified by acid and/or acid anhydride groups with molecular mass weight averages from 3000 to 50000 and an ethylene portion of 50 to 90 mass %, and d) polyalcohols partially esterified with C12-C40-monocarboxylic acids wherein in the comb polymer based on c) and d) the ethylene-vinylester copolymer component modified by acid and/or acid anhydride groups is connected by means of ester linkages with the polyalcohol component partially esterified with C12-C40-monocarboxylic acids. The mineral oil compositions are suitable as flowable media to be transported at low temperatures and as mineral oil fuels with high lubricity and flowability.
摘要:
The invention relates to a method of determining the optical quality of and detecting faults in flat glass (2) and other transparent materials, especially in float glass, wherein a video camera (1) is arranged to monitor an illuminating device (3) either through the glass (2) or by observing the reflection thereof, the focus being on the glass (2) and the sheet, respectively, and the video camera (1) generates signals in dependence on the quality of the glass (2) and these signals are evaluated, wherein use is made of at least one illuminating device (3), comprising a pattern (4) of adjacent partial portions (5a,5b) alternately different at least in color and/or in intensity, an observation spot of the video camera (1) picks up the pattern (4), two video signals U1,U2 are assigned to the signal of the pattern (4), and a change of the intensity of the video signals U1,U2 is used for evaluating the quality of the glass (2) and the sheet, respectively.
摘要:
An additive mixture as component of a composition of mineral oil as main component and trace portions of an additive mixture containing the additive components a) ethylene-vinylester copolymers modified by polar groups with molecular mass weight averages from 3000 to 50000 and an ethylene component of 50 to 90 mass %, and b) C2-C6-oxyalkyl-bridged C12-C40-monocarboxylic acids, and/or c) partially and/or completely imidated copolymers of unsaturated C4-C20-dicarboxylic acid anhydrides and vinyl aromatics and/or C2-C36-α-olefins, whereby the content of the additive mixture in the mineral is 0.005 to 1 mass %. The compositions are suitable as flowable media to be transported at low temperatures and as mineral oil fuels with high lubricity and flowability.
摘要:
An additive mixture as component of a composition of mineral oil as main component and trace portions of an additive mixture containing the additive components a) ethylene-vinylester copolymers modified by polar groups with molecular mass weight averages from 3000 to 50000 and an ethylene component of 50 to 90 mass %, and b) C2-C6-oxyalkyl-bridged C12-C40-monocarboxylic acids, and/or c) partially and/or completely imidated copolymers of unsaturated C4-C20-dicarboxylic acid anhydrides and vinyl aromatics and/or C2-C36-α-olefins, whereby the content of the additive mixture in the mineral is 0.005 to 1 mass %. The compositions are suitable as flowable media to be transported at low temperatures and as mineral oil fuels with high lubricity and flowability.
摘要:
Mineral oil compositions with trace portions of additives contain as additive a comb polymer containing ester linkages, either based on a) ethylene-vinylester copolymers modified by hydroxy groups or glycidyl groups with molecular mass weight averages from 3000 to 50000 and an ethylene portion of 50 to 90 mass %, and b) partially imidated and/or partially esterified maleic anhydride copolymers, wherein in the comb polymer based on a) and b) the modified ethylene-vinylester copolymer component is connected by means of ester linkages to the partially imidated and/or partially esterified maleic anhydride copolymer component, or a comb polymer containing ester linkages based on c) ethylene-vinylester copolymers modified by acid and/or acid anhydride groups with molecular mass weight averages from 3000 to 50000 and an ethylene portion of 50 to 90 mass %, and d) polyalcohols partially esterified with C12-C40-monocarboxylic acids wherein in the comb polymer based on c) and d) the ethylene-vinylester copolymer component modified by acid and/or acid anhydride groups is connected by means of ester linkages with the polyalcohol component partially esterified with C2-C40-monocarboxylic acids. The mineral oil compositions are suitable as flowable media to be transported at low temperatures and as mineral oil fuels with high lubricity and flowability.
摘要:
An additive mixture as component of compositions of mineral oil as the main component and trace portions of an additive mixture contains the additive components a) ethylene-vinylester copolymers with molecular mass weight averages from 3000 to 50000 and an ethylene proportion of 50 to 90 mass %, and b) mixed esters of glycerine in which 50 to 80 mol % of the hydroxy groups are esterified with unsaturated C12-C40 monocarboxylic acids and 20 to 50 mol % of the hydroxy groups are esterified with partially imidated and/or partially esterified maleic anhydride copolymers, and/or c) partially and/or completely imidated copolymers consisting of maleic anhydride and α-methylstyrene with molecular mass number averages from 1500 to 15000 and at least one terminal group based on dimeric α-methyl styrene, and/or d) wax compositions based on natural starting materials of type d1) wax-like oligomeric esters based on glyceryl monostearate and dimeric acid and/or d2) wax esters with vaseline-like consistency, based on at least two different straight-chain and/or branched C14-C36-alcohols and dimeric acid whereby the content of the additive mixture in the mineral oil is 0.005 to 1 mass % and the mass proportion of the additive components a/b or a/c or a/d is in the range from 10:90 to 90:10, respectively. The mineral oil compositions are suitable as flowable media to be transported at low temperatures and as mineral oil fuels with high lubricity and flowability.
摘要:
The invention relates to a method of determining the optical quality of and for detecting faults in flat glass, especially float glass, or other optically transparent materials, a video camera (1) being arranged to monitor an illuminating device (3) either through a glass (2) or by observing the reflection thereof on the glass or material, the focus being on the glass (2) and the material, respectively, and the video camera (1) generating signals in dependence on the quality of the glass (2), with these signals being evaluated, wherein an illuminating device (3) is used whose color and/or intensity is changed in a defined manner, the observation spot (6) of the video camera (1) in the faultless condition of the glass (2) is located substantially in the middle of the illuminating device (3), the illuminating device (3) has assigned thereto two video signals U1,U2, and a change of intensity of the video signals U1,U2 is used for evaluating the quality of the glass (2).