-
A polymer all-plastic press-type vacuum nozzle and its material preparation method
The invention relates to an all-polymer push-type vacuum nozzle and its material preparation method, aiming to solve the technical difficulty in overall recycling of spring structures of conventional similar products. A spiral slotted hole is formed on the rotating ring inside the outer cover of the vacuum nozzle, and pins of the large ring are
-
An easy-to-spray polypropylene composite material and its preparation method
The invention discloses an easy-to-spray polypropylene composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 60‑80 parts of copolymerized polypropylene, 5‑10 parts of ethylene-vinyl acetate copolymer, 0.5‑1 part of diamino silane oligomer, 10‑20 parts of inorganic filler and 6‑11 parts of other auxiliaries.
-
A polymer all-plastic press-type emulsion Liquid nozzle and its material preparation method
The invention relates to an all-polymer push-type lotion nozzle and its material preparation method, designed to solve the problem that traditional metal springs are difficult to recycle integrally. The pump core assembly is fastened in the central hole of the large ring; the valve rod of the pump core assembly extends out of the large
-
A high-temperature rubber mixing mill and its mixing method for hot melt adhesive production
The invention relates to the field of hot melt adhesives, in particular to a high-temperature rubber mixing machine for hot melt adhesive production and a rubber mixing method thereof. The high-temperature rubber mixing machine comprises a stirring tank, a bottom plate, a support frame and a motor. The support frame is fixed at the bottom
-
Starch-based biodegradable materials, their preparation methods, and applications
The invention provides a starch-based degradable material as well as its preparation method and application. Specifically, the material includes: 20‑65 parts by weight of modified starch; 25‑75 parts by weight of PBAT; 1‑12 parts by weight of compatibilizer; 1‑5 parts by weight of reinforcing agent; and 0.5‑5 parts by weight of lubricant. The modified starch
-
A sterilization device and method for solid high-fiber materials
The invention belongs to the technical field of sterilization equipment, and particularly relates to a sterilization device and method for solid high-fiber materials. The sterilization device includes a twin-screw extruder composed of an extrusion unit and a feeding unit arranged above the extrusion unit; the extrusion unit comprises a rotating shaft and multiple screws sleeved
