Abstract: The present invention belongs to the technical field of degradable materials and relates to a biodegradable material. Specifically, the present invention relates to a cellulose acetate-based degradable composite material and a film product thereof, and a preparation method and application thereof. The biodegradable material comprising: a) cellulose acetate and at least one biodegradable polyester material; and b) at least one compatibilizer that can improve interfacial compatibility between cellulose acetate and biodegradable polyester. The biodegradable composite material containing cellulose acetate and polyester has the beneficial effects of improving tensile strength of blends, increasing Young's modulus, and maintaining break elongation.

Abstract: An aerosol generating product includes an aerosol atomizing element and a smoke cooling element, and the smoke cooling element is located downstream of the flow direction of the smoke generated by the aerosol atomizing element. A filter element is located downstream of the flow direction of the smoke through which the smoke cooling element passes; or a hollow element located upstream of the flow direction of the smoke through which the smoke cooling element passes. The smoke cooling element is composed of particles, and the structure includes a gap for smoke of a cigarette to pass through. The gap through which cigarette smoke can pass is a three-dimensional and non-linear gap. The structure is in the form of rods. When the smoke aerosol passes through the cooling element, ensuring the smoke to pass through smoothly.

Abstract: A method for producing cellulose diacetate with bamboo fibers as a raw material having the steps of soaking, treating with ultrasonic sound, de-acidifying, acetylating, hydrolyzing, precipitating, screening, extruding, washing, rolling, and drying. The method reduces the material loss and pollution, completely swells and dissolves the bamboo fibers, accelerates the fibrillation, reduces the crystallinity, improves the accessibility of the fibers, recycles acetic acid, and reduces the material consumption.