The invention discloses controlled-released pesticide fertilizer and preparing method thereof. The controlled-released pesticide fertilizer comprises, by mass, 0.001-15% of effective component A, 4%-45% of nitrogen, 1%-15% of phosphorus, 1%-25% of potassium, 0.1%-5% of microelement, 0.01%-10% of coagulator, 0.01%-10% of binder, 0.15-10% of surfactant and the balance packing. The preparing method of the controlled-released pesticide fertilizer comprises is simple and comprises the steps of preparing of liquid materials, preparing of powder materials and fluidized bed granulating. The controlled-released pesticide fertilizer can control the occurrence of damage caused by diseases, insect pests and weeds can be controlled in all the seasons of crop growth and meet the supply of nutrient substances needed in all the seasons of crop growth, production and use are safe, labor and cost are reduced, and the application amount and the use frequency of pesticides and the fertilizer in the period of crop growth can be reduced.

Controlled-release pesticide fertilizer and preparing method thereof

The invention relates to a thermoplastic and/or elastomer composition that comprises: at least 50 wt % and 99.95 wt % at most of a starchy composition (a) including at least one starch; at least 0.05 wt % and 50 wt % at most of a nanometric product (b) including particles having at least one dimension of 0.1 to 500 nanometers and selected from mixed products containing at least one lamellar clay and at least one cationic oligomer or cationic synthetic polymer, organic, mineral or mixed nanotubes, organic, mineral or mixed nanocrystals and nanocrystallites, organic, mineral or mixed nanobeads and nanospheres customised into clusters or agglomerated, and mixtures of these nanometric products, the percentage being expressed in dry weight and added to the sum in dry weight of (a) and (b); and at least one non-starchy polymer (c).

Starch-containing thermoplastic or elastomer compositions, and method for preparing such compositions

The invention discloses a paper-imitating biodegradable resin and a preparation method For improving the degradability and natural recoverability of paper-imitating materials and making the paper-imitating materials have similar lightness, foldability and printing and writing performance as the conventional paper The paper-imitating biodegradable resin uses mineral fibers, vegetable fibers and starch fibers as main components, and concretely comprises the following components in part by weight: 40 to 70 parts of mineral fibers, 10 to 30 parts of vegetable fibers, 5 to 20 parts of starch fibers, 5 to 15 parts of biopolymer, 3 to 5 parts of modifier, 3 to 5 parts of compatibilizer and 3 to 8 parts of processing assistant The mineral fibers, vegetable fibers and starch fibers are interweaved through thermoplastic processing, and the preparation process is clear and pollution-free The paper-imitating biodegradable resin can be processed into various paper-imitating products by hot plasticizing equipment, and the products, when discarded, can be swallowed and decomposed by microbes without polluting the environment

Paper-imitating biodegradable resin and preparation method

The invention relates to light-weight environmental-friendly stone paper and a preparation method thereof. The light-weight environmental-friendly stone paper comprises the following components in percentage by weight: 75%-85% of inorganic powdery materials with the average grain diameter of 1250-2500 meshes, 10%-20% of high molecular polymers with the melt index of 5-20g/10 minutes, and 3%-8% auxiliary elements comprises at least surface active agent, lubricating agent and foaming agent. The light-weight environmental-friendly stone paper has the advantages of light weight, fluffiness, softness, superior printing ink absorbency and printing adaptability and good appearance and texture.

Light-weight environmental-friendly stone paper and preparation method thereof

The present invention provides a biodegradable master batch and a preparation method thereof. The biodegradable master batch is prepared by in-situ polymerization of the components in the following formula in weight parts: 10-80 parts of biodegradable monomer or prepolymer, 0.01-5 parts of catalyst, 0.05-5 parts of reaction activator, 0.1-5 parts of thermal stabilizer, 0-80 parts of flame retardant, 0-80 parts of filler, 0-80 parts of antistatic agent, 0-80 parts of pigment, 0-80 parts of foaming agent, and 0-5 parts of surface coupling agent. Provided in the present invention are the biodegradable polymer master batch having good dispersion effect and excellent interface bonding property, and the preparation method thereof.

Novel biodegradable master batch and preparation method thereof

A 3D printing modified polylactic acid material comprises, by weight, 70-85 parts of polylactic acid, 1-5 parts of chain extenders, 1-5 parts of cross-linking agents, 05-1 part of nucleating agents, 5-10 parts of polymers with low molecular weights, 5-10 parts of flexibilizers, 1-5 parts of fortifiers and 03-08 part of antioxidants According to the 3D printing modified polylactic acid material, a low-temperature smashing hybrid reaction technology is utilized, modified processing is carried out on polylactic acid, toughness, impact strength and the heat distortion temperature for the polylactic acid are improved to a large extent, and the polylactic acid can have wider application prospects in 3D printing materials

3D printing modified polylactic acid material and preparation method thereof

A full-biodegradable plastic membrane, which uses thermoplastic starch with diameter of 1-9 mu m, biodegradable polymer and auxiliary component as raw material, processed by screw extruding apparatus and membrane producing apparatus. The raw material comprises 30-70 parts by weight of thermoplastic starch with diameter of 1-9 mu m, 10-40 parts by weight of biodegradable polymer, 5-10 parts by weight of compatible modified component, 3-5 parts by weight of complex plasticized component, 10-30 parts by weight of lubricant. These materials are mixed and processed by screw extruding apparatus and membrane producing apparatus, wherein the lubricant is at least adding into other materials for mixture before process by screw extruding apparatus and during melt blending, and the adding amount of lubricant before process by screw extruding apparatus is not more than 1/3 of the total amount thereof. By highly increasing dosage of lubricant and changing mixing way, thermoplastic degree of starch is increased, rheological property of the system and processing quality of product are dramatically improved, mechanical property of the product is enhanced.

Chen Qing

Papers

3D printing modified polylactic acid material and preparation method thereof

Total-biodegradation plastic film and preparation method thereof

Paper-imitating biodegradable resin and preparation method

Light-weight environmental-friendly stone paper and preparation method thereof

Novel multifunctional diatom ooze decorative wall material and preparation method thereof