Sulfur-free vulcanized low-temperature-resistant elastomer and preparation thereof
The invention provides a preparation method of a sulfur-free vulcanized low-temperature-resistant elastomer. The preparation method specifically comprises the following steps: adding a low-temperature-resistant elastomer, a cross-linking point polymer and an initiator according to a certain mass rat...
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| creator | ZHOU GUANGYUAN YU QIZHOU HU YANMING |
| description | The invention provides a preparation method of a sulfur-free vulcanized low-temperature-resistant elastomer. The preparation method specifically comprises the following steps: adding a low-temperature-resistant elastomer, a cross-linking point polymer and an initiator according to a certain mass ratio in a reaction screw extruder, reacting for a certain time, and adding a terminating agent according to a certain mass ratio to obtain the low-temperature-resistant elastomer which has a cross-linking point polymer structure and can be vulcanized without sulfur. Adding the low-temperature-resistant elastomer capable of being subjected to sulfur-free vulcanization, the silicon rubber, the stearic acid, the zinc oxide, the filler and the coupling agent into a closed rubber mixing machine according to a certain mass ratio, mixing for a certain time under the conditions of a certain temperature and a certain rotating speed, and discharging the internally mixed rubber compound. And testing the mechanical property, the |
| format | Patent |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Sulfur-free vulcanized low-temperature-resistant elastomer and preparation thereof |
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