Zibo Huaxing Additives Co., Ltd.

Proof packaging material is not through a difficult packaging materials through the water vapor. Commonly used in moisture-proof packaging materials are paper, wood, plastic, metal, glass, ceramics and so on. Moisture delicate packaging materials In addition to the conventional function of the packaging materials, moisture-proof packaging requirements through the humidity to be small. The smaller the moisture-proof materials, moisture permeability, moisture resistant as possible. Commonly used in moisture-proof paper packaging materials are moisture-proof cellophane, wax paper, PVC processing, paper, asphalt waterproof paper, polyethylene coated paper, aluminum moisture-proof paper, moisture-proof corrugated board. A variety of moisture-proof paper timber, add another in the unbleached kraft chemical pulp or paper material coated with a variety of chemicals made of moisture resistance, such as carbon amide resin, latex, polyamide resin and asphalt paraffin wax, etc., so a great impact on environmental performance of the features of waterproof paper rose by moisture drugs. Moisture-proof bags of paper for the manufacture of packaging granular products, inorganic fertilizers, the daily discharge of wastes, and paper bags in high humidity conditions of transport and other goods.

    The role of the moisture-proof packaging to water content through the mitigation of high-impedance wet packaging material or block external moisture to penetrate the speed within the package or use desiccant to absorb the penetration of moisture into the package, keep the goods and a certain shelf life. At present, the general proof packaging with high resistance to moisture wet paper packaging or plastic film packaging can reach a certain moisture-proof packaging requirements need to enclose the desiccant to ensure the flavor of the food or the high puffed food or other goods, but the proof packaging requirements The crispness quality requirements.

    A green waterproof paper-based packaging materials

    Green waterproof paper-based materials production process is mainly related to use of fiber material of choice, add the regeneration process as well as targeted products recovery process of the chemical additives. The following describes a method to use the qualities of coniferous KP pulp and waste paper pulp mixer to copy the green process for manufacturing a waterproof paper timber. This process will be a certain amount of waste paper pulp and wood pulp mixed with copy to save on timber resources, and make full use of recovered waste paper, to reduce resource consumption and energy consumption and cost savings. The addition of chemical additives can enhance dry and wet strength of paper material. Added to the PPE resin is an environmentally friendly and efficient wet-strength additives, has a good the humidifier strong effect, with the more obvious of dry strength. The target products produced by the breaking length indicator is above 6000m, wet and dry strength ratio of 48%. In addition, for the regeneration of recovery of the product, obtained by this process the high-intensity water resistance wrapping after 150 ° C oven full ripening, can be used the right amount of hypochlorite bleach solution at 30 ℃ ~ 50 ℃ soaking at 10min ~ 30min, then ease the machine after a slight ease you into a pulp, the process is easy to operate, easy, reducing the load of paper on the environment and waste of resources. Therefore, using this process to produce moisture-proof is just a good environment for coordination of the paper production process.

    Moisture resistance of corrugated board

    The corrugated board is the most widely used in the packaging cardboard, especially used for the packaging of goods that can be used instead of wooden boxes and metal boxes. The corrugated board is made of corrugated paper processing. First base paper processing into a corrugated shape, then use the adhesive from both sides of the surface bonding, so that the cardboard middle hollow structure, so that the corrugated board has a high strength, stiffness, hardness, pressure, burst, scalability and other performance than normal cardboard cartons made from it is also relatively strong, more conducive to the protection of packaging products. Moisture resistance of corrugated board, atomized liquid paraffin at a temperature of 130 ℃ ~ 180 ℃. The duty of the moisture resistance, the quality of the paraffin composition 30% to 45%, this corrugated cardboard with high moisture resistance performance, greatly improve its strength than non-impregnated cardboard.

    In recent years, due to the development of synthetic resin, to produce a calcium plastic corrugated board, you can overcome some of the shortcomings of the original corrugated cardboard. It has the advantages of moisture, rain, strength and rich sources of material, more and more widely.

    Gaisu corrugated plus calcification packing plastic paper.

It is a plastic packaging materials, instead of paper packaging materials, kraft corrugated contrast, it is customary called cardboard. The system Gaisu corrugated formula is as follows. Surface of the paper: low density polyethylene, 15%, 45% high density polyethylene, light calcium carbonate 40%, in addition to zinc stearate, barium stearate, antioxidants, UV absorbers; corrugating medium: low 10% of the density polyethylene, high density polyethylene 45%, 40% of the precipitated calcium carbonate, in addition to zinc stearate, barium stearate, antioxidants, ultraviolet absorbers; corrugating medium: low-density polyethylene % high density polyethylene 40%, 50% of the precipitated calcium carbonate, other additives and the surface of paper.
    Whether kraft corrugated board or Gaisu of corrugated board are light weight, high mechanical strength, good moisture resistance characteristics, made of folded cardboard boxes, small storage space, low transportation costs, spent can be repeated to use, easy recycling is good for the carriage of the green on behalf of the wood packaging.

    Third, the moisture level bonding cardboard

    The flat adhesive cardboard is a close bond from two or more tiers of flat layer of cardboard layers of materials. The flat adhesive cardboard can use different materials to the outside layer and inner layer adhesion, usually with lower performance of the cardboard. Cardboard with a silicone adhesive, cardboard layers according to the requirements of the cardboard box, taking into account the nature and strength index of raw materials. Level bonding of cardboard and corrugated board compared to the higher strength index and high pressure resistance.

    Moisture level adhesive cardboard with the moisture resistance of the raw materials and at the same time using the moisture-proof plastic made from, you can reach a certain moisture resistance requirements. Some moisture level glue board surface after polyethylene processing. Usually in advance of the rolls of cardboard outer layer with spray pressure coupled with the polyethylene cover layer laminated with cardboard, and then pressure glued on, can be obtained using this method with one side or both sides of the polyethylene cover layer flat glue cardboard. Due to the impermeability of the polyethylene, bonding with the cardboard must use less water content of the glue, such as latex, polyvinyl acetate emulsions and hot sol. Improve moisture resistance dry adhesive cardboard, but also on its surface coated with beeswax mixture. These auxiliaries are the top five material, no chemicals pollution.

    This moisture resistance level adhesive cardboard box for the requirements of the box under high humidity conditions of sufficient strength products, vegetable products, explosives, various spare parts, metal products, transport and cold regions transshipment boxes.

    Four, waterproof box

    Waterproof wrapping is approved with the wrapping paper to give a strong waterproof, it greatly improved the ability to waterproof and damp proof. When equipped with bulk materials: cement, pesticides, fertilizers, etc., in case of rain, snow or wet, or the material itself to absorb moisture, will not affect the strength of the bags, and keep the material intact. Is used as a greenhouse cold paper, pocket water for several days or more impermeable, watertight. Language rain and snow weather. The paper with waterproof performance, rain, snow, paper is very real, and immediately be able to roll up, do not affect the light of the greenhouse. Precisely because of its waterproof, can greatly extend the paper is the life of plastic greenhouses greenhouse to promote the use of the waterproof wrapping paper, it will undoubtedly be a strong impetus to the development of the mining basket project.

    Waterproof wrapping paper, plant fiber raw materials, wood pulp, bamboo pulp, reed pulp, straw pulp can be used, so that renewable waterproof wrapping paper, plant fiber raw materials, the choice of wood pulp, bamboo pulp, reed pulp, straw, so that renewable waste paper pulp. Single one, or with the use of two or more. The waterproof function is to rely on to add a waterproof additive measures in the pulp. Added in the mixing process before the papermaking rosin, aluminum sulfate, the CCS-02 cationic starch, 992 waterproofing agent by conventional papermaking process meet the requirements of waterproof wrapping.

    All kinds of waterproof additives and the proportion of plant fiber, according to the mass ratio: for every 100 copies of plant fiber to join rosin 0.5 to 6 copies, by adding aluminum sulfate were 20, joined the CCS-02 cationic starch 0.5 were four , by adding 992 waterproofing agent 0.5 ~ 12.

    Waterproof wrapping of the manufacturing process: Take 1000Kg This colorants, first by water power pulper ease the concentration of 2% to 3%. Screening after the high-frequency vibration box, remove the grass section, students, sand, and then through the purification equipment to remove sand, iron in the raw materials end and so the relative density of impurities. Filter by centrifugation to remove unsuitable for papermaking fibers larger magazine, and washing was concentrated to remove the sticky substance mixed in the slurry. The concentration of the slurry through the above steps to adjust to 4% to 4.5%, PH value neutral, beating handling. Grasses of short fiber pulp in order to ease and sub-wire broom-based, long-fiber softwood pulp may be appropriate to cut off. Into a pulp beating is controlled at 24-32 ° SR. To lay the slurry is sent in with the pulp late.

    With the plasma pool, the first to add 20kg of rosin, stirring about 10min, then add 20kgCCS-02 cationic starch strengthening agent, stirring for 15 minutes, to join 20kg992 waterproofing agent, then stir 15vmin, the last to join the 120kg aluminum sulfate 15 min stirring, adjust the slurry PH value of 5.6 to 6.0, the slurry concentration of 3.0% to 3.5%, to complete the mixing operation. Former slurry tank and then pumped to copy, diluted to a concentration of 0.3% to 0.7%, sent to the machine papermaking forming by dehydration, mechanical crushing, drying dryer reached into the paper, the next machine rewinding, packaging, branding products factory.