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31results about How to "Resistant to stains" patented technology

Isolation and barrier type sound treatment devices

An acoustic isolator is capable of being placed on a resting surface and receiving a sound producing device. The acoustic isolator includes a sheet like barrier member having a first surface and a second surface and a thickness of less than about 0.375 inches. The barrier member is composed of a plastic material. A sheet like fiber based fabric member has a first surface coupled to the second surface of the barrier member to form a laminated sheet having at least two layers. Also, a paintable acoustic barrier sheet is capable of being attached to and covering a room surface member, and receiving a paint material to permit the user to choose the color of covered room surface member by applying paint thereto. The paintable acoustic barrier comprises a sheet like barrier member having a first surface, a second surface and a thickness of less than about 0.2 inches. The barrier member is comprised of a first plastic material. A sheet like plastic barrier second member is composed of a second plastic material and has a first surface coupled to the second surface of the barrier member to form a laminate having at least two layers, and a second surface. The second surface is capable of receiving paint in a manner that permits the paint to adhere to the first surface in an even aesthetically pleasing manner.
Owner:AURALEX ACOUSTICS

Intelligent liquid adding seal

The invention relates to an intelligent liquid adding seal which comprises a shell, a liquid storage cavity, an adjusting device and a seal body, wherein the seal body comprises a base, an engraving plate and an elastic resorption cavity; drainage tubules are arranged in the engraving plate; the elastic resorption cavity communicates with the liquid storage cavity through a flow guide tube; an elastic suction ball is connected to the flow guide tube in series; an extrusion block is arranged at the position, directly facing the elastic suction ball, in the shell, and the transmission end of the extrusion block and the driving end of a driving block are magnetically attracted; the elastic suction ball, the driving block, the extrusion block, a limiting bracket and a reset spring jointly form the adjusting device; during stamping, the shell is pressed down, a proper amount of liquid is extracted from the liquid storage cavity through the adjusting device, and injected into the seal body; and after the liquid is drained to the contact face between the seal body and a file, the stamping is completed. According to the intelligent liquid adding seal, a unique intelligent liquid adding structure is adopted, and the using method of a user is improved; it is effectively guaranteed that the seal is clear and complete, and red ink paste is effectively prevented from remaining or contaminating other clothes.
Owner:王丽萍

Lithographic printing plate precursors and processes for preparing lithographic printing plates

Provided is lithographic printing plates and processes for preparing the lithographic printing plates having excellent printing durability, staining resistance and staining resistance over time.
A lithographic printing plate precursor comprising: a substrate; a photosensitive layer provided on the substrate; and an extra layer optionally provided between the substrate and the photosensitive layer; wherein the photosensitive layer or the extra layer adjacent to the substrate contains (A) a copolymer; and wherein the copolymer (A) comprises: (a1) a repeating unit having a structure represented by formula (a1-1) below in a side chain, and (a2) a repeating unit having at least one of the structures represented by formulae (a2-1) to (a2-6) below in a side chain. L1 represents a single bond, a divalent aromatic group containing 6 to 14 carbon atoms, —C(═O)—O—, or —C(—0)═NR2— (wherein R2 represents a hydrogen atom, alkyl or aryl). Z1 represents methylene, ethylene, propylene, butylene, pentylene, hexylene, heptylene, octylene, cyclohexane-1,4-diyl, 1,2-phenylene, 1,3-phenylene, 1,4-phenylene, 1,2-naphthalene, 1,5-naphthalene and a linking group composed of two or more of these divalent linking groups linked through —O— or —S—, wherein a hydrogen atoms in these divalent linking groups may be replaced by substituents. R1 represents a hydrogen atom, alkyl, aryl, heterocyclyl, sulfo, alkylsulfonyl and arylsulfonyl. R21, R22 and R23 each independently represent a hydrogen atom, halogen atom or C1-8 alkyl.
Owner:FUJIFILM CORP
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