2results about How to "Play a moisturizing effect" patented technology

This invention discloses a hot melt adhesive for high-temperature protective clothing and its preparation method, comprising the following raw materials: Fischer-Tropsch wax, styrene-isoprene-styrene block copolymer with 0% diblock content, styrene-isoprene-styrene block copolymer with 20-30% diblock content, styrene-isoprene-styrene block copolymer with 40-50% diblock content, rosin resin, petroleum resin, ethylene-vinyl acetate copolymer, and antioxidant. This hot melt adhesive requires no toxic solvents, possesses both heat resistance and water resistance, and is suitable for high-temperature protective clothing. The preparation method of this hot melt adhesive involves heating and mixing polymer materials without adding any solvents or toxic substances during the preparation process, reducing the risk of toluene poisoning, completely solving the problems of solvent evaporation and recovery, and, more importantly, eliminating safety hazards in the storage and use of organic chemicals, achieving environmentally friendly, safe, and efficient production.

The utility model discloses a nursery stock moisturizing device for nursery stock migration, and belongs to the technical field of nursery stock moisturizing, the nursery stock moisturizing device comprises a base and a placing cylinder, the placing cylinder is fixedly connected to the upper surface of the base, the surface of the placing cylinder is fixedly connected with a mounting block, the surface of the mounting block is provided with a movable groove, and a first bearing is arranged on the inner wall of the movable groove in a penetrating manner; the seedling fixing device has the beneficial effects that when a seedling is fixed, people firstly place the seedling into the placing cylinder with the root system facing downwards, then the adjusting knob is rotated to drive the threaded column to rotate, under the mutual cooperation of the threaded column and the threaded pipe, the root system of the seedling can be fixed, and the seedling can be fixed. The two threaded pipes drive the movable blocks to get close to each other respectively, then the two baffles are driven to get close to each other till the rubber linings on the surfaces of the two arc-shaped grooves are attached to the seedlings at the same time, and therefore the good fixing effect on the seedlings is achieved.