14results about How to "Improve stiffness" patented technology

The utility model discloses a one-piece collar structure subjected to drawing and shaping treatment. The one-piece collar structure comprises a one-piece collar formed by sewing a collar surface, lining cloth and a collar bottom which are arranged in sequence, a folding line is arranged on the one-piece collar and divides the one-piece collar into a lapel part and a collar seat part. The collar surface, the lining cloth and the collar bottom which are made of specific materials are adopted to form the collar, the specific position of the collar is subjected to shrinking and drawing treatment, a naturally-attached three-dimensional structure is formed, the three-dimensional sense and stiffness of the collar part are enhanced, and the lasting shaping effect of the collar shape in the wearing process is achieved. The collar can be more tightly attached to the complex curve of the shoulders and the neck of the human body, the common problems of collar gaps and folds in a traditional splicing structure are solved, the appearance retentivity and stiffness of the suit collar type are improved, and the attaching feeling and the comfort degree of wearing are further optimized.

The utility model relates to sanitary towel technical field provides a sanitary towel of wing reinforcing type, solves the problem that the existing sanitary towel wing is easy to have structural breakage when taking down, the utility model discloses sanitary towel main part and the wing of symmetry that is equipped with sanitary towel main part both sides, each sanitary towel main part includes the flexible surface layer, the flow guide layer, the absorption layer and the bottom mould that set gradually from top to bottom, the absorption layer includes the absorption core and the wrapping layer that is wrapped in the absorption core outside, the flexible surface layer and the bottom mould extend to both sides and hold the reinforcing part, the reinforcing part and flexible surface layer, the bottom mould compound form each wing, and the sandwich wing is formed through the reinforcing part of flexible surface layer and bottom mould extension part direct clamping, solves the problem of traditional wing fracture.

This invention belongs to the field of papermaking and provides a high-efficiency antibacterial and mildew-resistant liquid crystal glass spacer paper and its preparation method. It includes: (1) Base paper preparation process: 100% bleached softwood pulp is selected as fiber raw material, pulped to 22-28°SR, without adding any wet end additives to ensure the cleanliness of the base paper, formed on the wire in the headbox, and then dewatered in the press section to obtain a basis weight of 48-52 g / m 2 (2) Surface treatment process: Select hydrophobically modified polyvinyl alcohol, mildew inhibitor and water-resistant agent to prepare surface sizing solution, the concentration of surface sizing solution is 2-4%, and apply sizing solution to the surface of the base paper, the amount of sizing is 0.8-2g / m 2 After drying in a drying cylinder, the material is calendered and then rolled to obtain a high-efficiency antibacterial and anti-mildew liquid crystal glass spacer. The liquid crystal glass spacer prepared by this method has good hydrophobic properties and anti-mildew effect, while also taking into account the characteristics of high cleanliness, low electrical conductivity, and high surface strength.

This invention relates to a method for desiliconizing green liquor in papermaking, belonging to the field of papermaking pulping chemical regeneration technology. This method aims to solve the technical problem in existing technologies where direct carbon dioxide is introduced into green liquor for desiliconization, resulting in the formation of colloids from the generated silicic acid, making subsequent solid-liquid separation difficult. The key points of the technical solution are: first, solid-liquid separation of the green liquor is performed to obtain a clear green liquor; then, white mud slurry is added to the clear liquor as seed crystals, and carbon dioxide gas is introduced to carry out a carbonization reaction, generating an easily separable silicon-containing suspension; next, solid-liquid separation is performed on the silicon-containing suspension to obtain a silicon-containing filter cake and a causticizing mother liquor; finally, calcium hydroxide is added to the causticizing mother liquor to carry out a causticizing reaction, obtaining white liquor and recyclable white mud slurry. This method is mainly applied to the desiliconization and purification of green liquor during the alkali recovery process in papermaking, and can utilize carbon dioxide in industrial flue gas to achieve carbon resource utilization; the separated silicon-containing filter cake can be further processed into activated calcium silicate products.

The application provides a food packaging recycled film regenerated geomembrane and a preparation method thereof. The food packaging recycled film regenerated geomembrane comprises an outermost layer, an intermediate layer and an innermost layer arranged in sequence. The outermost layer and the innermost layer are symmetrically distributed with the intermediate layer as an axis. The outermost layer and the innermost layer comprise, by weight percentage, 85.0-95.0% of high-density polyethylene, 1.0-10.0% of medium-density polyethylene, 1.0-5.0% of a first compatilizer and 0.5-2.0% of silane modified montmorillonite. The intermediate layer comprises 75.0-93.0% of food packaging recycled film, 5.0-20.0% of a second compatilizer and 2.0-8.0% of ethylene-vinyl acetate copolymer. On the basis of the silane modified montmorillonite, the PA and PET in the food packaging recycled film can improve the mechanical properties such as stiffness and strength of the geomembrane. Thus, the geomembrane has good performance in all aspects and can be used as a replacement product of the virgin geomembrane.

The utility model discloses a shirt front part upright structure, which belongs to the technical field of clothes and comprises a collar stand and a collar sewn with an upper opening line of the collar stand, and a lower opening line of the collar stand is sewn with a front part collar stand connector. The collar comprises a collar lining, a collar surface and an adhesive interlining fixed between the collar lining and the collar surface, the edges of the same sides of the collar lining and the collar surface are aligned and sewn to an upper opening line of the collar stand, the width L1 of the collar surface is larger than the width L2 of the collar lining, and half of the width L3 of the collar is larger than the width L4 of the collar stand. The adhesive interlining can enhance the stiffness and structural stability of the collar and avoid soft collapse and deformation; l1gt; the proportion of L2 can balance the resilience stress of the fabric, so that the edge warping of the collar is inhibited from the source, and the collar is ensured to be flatly attached to the neckline of the garment body; due to the size design that one half of the width L3 of the collar is larger than the width L4 of the collar base, after the collar base is fixed, the expansion potential energy of the collar is converted into continuous forward supporting force, the upper section of the front fly is prevented from collapsing inwards, and finally the upright regularity, wearing practicability and wearing delicate feeling of the front fly of the shirt are improved.

This utility model relates to the field of pharmaceutical labeling technology and discloses a novel high-adhesion, wrinkle-resistant pharmaceutical label, comprising a label body, a rubber-based adhesive surrounding the bottom perimeter of the label body, multiple micro-indentations on the bottom of the label body, and multiple microcapsules disposed on the bottom of the label body. The label body is divided into a surface layer, a middle layer, an elastic buffer layer, and an adhesive layer from top to bottom. The surface layer is made of biaxially oriented polypropylene film, the middle layer is made of thin polyester film, and the rubber-based adhesive is a mixture of natural rubber, terpene resin, and phthalates. In this utility model, the label body achieves high adhesion through the synergistic effect of multiple structures. The adhesive layer, as the main bonding structure, provides initial adhesion, ensuring the label can be initially and firmly bonded; the microcapsules filled with modified polyvinyl alcohol release the modified polyvinyl alcohol upon rupture under pressure, further enhancing the overall adhesion.

The invention discloses a stiff adhesive as well as a preparation method and application thereof, and belongs to the technical field of adhesives. The stiff adhesive is prepared from the following components in parts by weight: a vinyl monomer, acrylic ester, metacrylic acid ester, a functional monomer, protective glue, an emulsifier, an initiator, a cross-linking agent and deionized water, the functional monomer is at least one of acrylamide, hydroxyethyl acrylate, hydroxymethyl acrylamide and glycidyl methacrylate; the stiffening agent adhesive can be used as a stiffening agent coating, can also be used as an adhesive for wet bonding, and is used for bonding multiple layers of fabrics or paper and providing stiffness.

The invention relates to a biomass-filled degradable elastic particle and a preparation method thereof. The biomass-filled degradable elastic particles comprise 50 to 70 parts of poly (butylene terephthalate)-adipate, 0 to 10 parts of polylactic acid, 0 to 5 parts of polycaprolactone, 50 to 70 parts of an inorganic filler, 0 to 10 parts of silane coupling agent modified wood flour, 10 to 40 parts of silane coupling agent modified cork particles, 0.5 to 1.5 parts of an antioxidant, 1 to 3 parts of a chain extender and 0.5 to 1.5 parts of a lubricant. The biomass-filled degradable elastic particles are degradable, good in elasticity and excellent in comprehensive performance.

The utility model discloses a high-leakproofness medicinal food packaging bag capable of preventing children from opening a bag body, which comprises the bag body, a bag opening is arranged at the upper end of the bag body, the bag body comprises a front bag piece, a rear bag piece, a lower bag piece, a front clamping chain piece and a rear clamping chain piece, the lower portion of the front clamping chain piece is connected with the front bag piece in a hot melting mode, and the middle portion and the upper portion of the front clamping chain piece are not connected with the front bag piece. A front clamping chain is arranged in the middle of the front clamping chain sheet; the lower portion, the middle portion and the upper portion of the rear clamping chain piece are connected with the rear bag piece in a hot melting mode, a rear clamping chain is arranged in the middle of the rear clamping chain piece, and the front clamping chain corresponds to the rear clamping chain and can be clamped or loosened mutually. Each of the front bag piece, the rear bag piece and the lower bag piece sequentially comprises a PET (Polyethylene Terephthalate) material layer, a PA (Polyamide) material layer, a metal aluminum film layer, a pattern layer and an OPP (Oriented Polypropylene) material layer from inside to outside. When a child holds the upper ends of the front bag piece and the rear bag piece with two hands and pulls the upper ends outwards, the middle and the upper portion of the front clamping chain piece deviate from the rear clamping chain piece, so that the front clamping chain and the rear clamping chain cannot be pulled open, and the bag body cannot be pulled open; the packaging bag is good in sealing performance.

The invention belongs to the technical field of packaging materials, and particularly relates to an ultrathin high-speed packaging biaxially oriented polypropylene film and a preparation method thereof. The polypropylene film comprises an extrusion layer I, an extrusion layer II, a core layer, an extrusion layer III and an extrusion layer IV which are sequentially connected from outside to inside. The sealing temperature of the polypropylene film is lower than 90 DEG C, and the sealing requirement of a high-speed packaging machine can be met; the bending modulus of the film exceeds 1800 Mpa, and the high-speed film feeding requirement of a packaging machine is met; meanwhile, the advantages of low friction, high transparency, low shrinkage and the like are realized.

The utility model relates to the field of label stickers, and discloses a label sticker convenient to clean, which comprises a surface layer protective film, a printing layer structure, a base layer and backing paper, a printing layer component is arranged on the surface of the base layer, the surface layer protective film is arranged on the surface of the printing layer component, and the bottom of the base layer is connected with the backing paper through an adhesion component. By additionally arranging the frame structure, the boundary range of the printing paper is effectively defined, and the mark borne by the printing paper is more clear and prominent visually. The probability that the identification is misread or is difficult to recognize can be remarkably reduced no matter in a normal illumination environment or in a complex scene or a scene with poor light. For example, in a warehouse, the goods are numerous, the ambient light is complex, and the labels with the frames can enable workers to identify goods information more quickly and accurately, so that the working efficiency is improved, and the problems of goods sorting errors and the like caused by information identification errors are reduced.

The utility model discloses a papermaking roller, which belongs to the technical field of papermaking equipment and comprises a fixing frame, adjusting assemblies are arranged on two sides of the fixing frame, each adjusting assembly comprises two groups of bidirectional lead screws and two groups of bevel gears I, the tops of the two groups of bidirectional lead screws are provided with bevel gears II, and the bevel gears II are connected with the two groups of bidirectional lead screws. The two sets of second bevel gears are meshed with the two corresponding sets of first bevel gears, connecting shafts are fixedly installed at one ends of the two sets of first bevel gears, accurate control over the paper thickness is achieved, the paper thickness adjusting device is suitable for producing paper of different thicknesses, it can be guaranteed that fibers in paper pulp are subjected to appropriate pressure by adjusting the distance between rollers according to the thickness, and the paper thickness adjusting device is suitable for being used for paper production. The roller body is arranged on the roller body, so that fibers are better interwoven and combined, paper is more durable and reliable in the using process, the flexibility of the device is improved, the roller body can be conveniently and rapidly installed, fixed and detached in a dual mode, the roller body can be conveniently replaced and maintained, and the service life of the roller body is prolonged.

This invention discloses a polyester masterbatch and its preparation method. The method includes: adding terephthalic acid, ethylene glycol, 3-vinyltriethoxysilane, and antimony acetate to an esterification reactor for esterification to obtain an esterification product; transferring the esterification product to a copolymerization reactor and performing a polycondensation reaction under controlled pH conditions to copolymerize silicon-containing monomers into the polyester molecular chain; then transferring the melt to a hydrolysis reactor and introducing high-temperature steam for hydrolysis and polycondensation to generate nano-silica particles with a particle size of 20-80 nm in situ, which are uniformly dispersed in the polyester matrix; finally, extruding, cooling, and pelletizing to obtain the polyester masterbatch. This invention achieves in-situ introduction and hydrolysis of silicon oxide precursors containing copolymerizable functional groups into the polyester backbone, significantly improving the dispersion uniformity of nano-silica and enhancing the haze, stiffness, and anti-stick properties of the film, making it suitable for the industrial production of functional polyester materials.