35results about "Duplicating using carbon paper" patented technology

To provide a laser-marking film having a laser-marking ink layer capable of forming vivid images when it is irradiated with a laser beam for forming laser markings. A laser-marking film comprising a base film 1, a white underlying layer 3 formed on the base film 1, and an ink layer 5 for laser marking formed on the underlying layer 3, wherein the ink layer 5 contains, dispersed therein, an iron oxide as a laser beam-absorbing agent in an amount of 0.1 to 30 parts by weight per 100 parts by weight of a resin binder.

A method of transferring graphene is provided. A method of transferring graphene in accordance with an exemplary embodiment of the present invention may include forming a graphene layer by composing graphene and a base layer, depositing a self-assembled monolayer on the graphene layer, and separating a combination layer comprising the self-assembled monolayer and the graphene layer from the base layer.

The invention discloses neutral easy-removal ink and an infant footprint anti-counterfeiting stamp pad containing the same. The neutral easy-removal ink contains the following components by weight percent: 10-20 percent of pigment, 10-20 percent of resin, 30-40 percent of humectant, 25-35 percent of emulsifier, 0.1-1 percent of antistatic agent, 0.1-1 percent of antioxidant, 0.1-1 percent of parting agent and 0.5-5 percent of desoxyribonucleic acid anti-counterfeiting identification material. The infant footprint anti-counterfeiting stamp pad comprises a pad surface, a pad seat and a thin film. The surface of the thin film facing to the pad seat is evenly coated with the neutral easy-removal ink. The pad surface, the thin film and the pad seat are bonded together. The invention has the advantages that the stamping performance is good, the drying speed is fast, the paper binding force is strong, the performance is stable, no situations such as skinning, oil seepage, corrosion and oxidization occur if the infant footprint anti-counterfeiting stamp pad is statically placed under a closed environment for more than one year, the preparation technology is simple, the cost is low and three kinds of wastes are not emitted.

The invention is directed to obtain a colored sanitary tissue paper giving a bright feeling in spite of modest color. The invention provides a colored sanitary tissue paper with a color difference between before and after dyeing of 15 or more in D value of Hunter's color difference formula defined in JIS Z 8730; D=(ΔL2+Δa2+Δb2)1 / 2.

The present invention provides a thermal transfer recording medium having a solvent-resistant layer based on a polyester resin wherein an even ink layer is formed by coating on the solvent-resistant layer.A thermal transfer recording medium 10 of the present invention comprises a solvent-resistant layer 2 based on a polyester resin on a substrate 1 and an ink layer 3 based on a ketone resin on the solvent-resistant layer 2. The solvent-resistant layer 2 contains a polyethylene wax in the range from 10 to 80% by weight of on the basis of the solid content of the solvent-resistant layer.

The invention provides a form book, which comprises a cover and multi-piece carbon paper, wherein the middle part of the cover is provided with a folio cover folding mark; the cover folding mark divides the cover into two symmetrical parts and can be buckled along the cover folding mark; the multi-piece carbon paper at least comprises upper paper, middle paper and lower paper in sequentially overlapped arrangement; one group of edges of the upper paper, the middle paper and the lower paper is bonded into a whole through a bonding agent; the bonding agent is prepared from paper making latex, polyvinyl alcohol glue, a permeating agent and a dispersing agent; the back side of the lower paper is attached into the cover; when the cover is buckled, the multi-piece carbon paper is folded and accommodated in the cover. The invention also provides a manufacturing method of the form book. The form book is provided with the cover capable of being buckled; the cover can protect the multi-piece carbon paper arranged at the inner side of the cover; one group of edges of the upper paper, the middle paper and the lower paper of the multi-piece carbon paper are bonded into the whole, so that the printing alignment is enabled to be more accurate; after the printing and signature are completed, the upper paper, the middle paper and the lower paper can be easily separated through hand tearing.

The present invention relates to a method for forming a graphene protective film having gas and moisture barrier properties, to a graphene protective film formed by the method, and to the use thereof. A single-layer or multilayer graphene protective film can be used as a material for a barrier coating or bags, and improves the gas and moisture barrier properties of a variety of devices in a wide array of industrial fields to thereby maintain the electrical characteristics of devices over a long period of time.