(pdf) peroxide vulcanization of natural rubber. part ii,pdf four types of peroxides in combination with two types of co-agents were used as cross-linking agents for the preparation of rubber compounds based. find, read and cite all the research
Classification: Chemical vulcanizing accelerator
Purity: 98.0% MIN
Type: environmental protection rubber accelerator
Appearance: light yellow or pale yellow powder
Usage: rubber auxiliary agents, rubber accelerator
Packing: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
the proposed vulcanization optimization model, including cooling after removing the product from the mold, can be potentially applied to various shapes of rubber products and can enable the improvement of rubber technology, providing significant energy and time savings in the rubber industry.
Classification: Chemical rubber accelerator
Purity: 97%
Type: environmental protection rubber accelerator
Appearance: light yellow crystal
Usage: rubber industry
Packing: kraft paper bag or jumbo bag
since most of the research on devulcanization has been made on waste tires, this review mainly focuses on the most widely used rubber classes for this application, i.e., natural rubber (nr) and styrene-butadiene rubber (sbr) and the most common vulcanization technique, i.e., sulfur vulcanization.
Classification: Chemical auxiliary agent
Purity: 95%
Type: synthesis material intermediates
Appearance: gray white or light yellow
Usage: tire/rubber industries
Packing: 1kg/bag,25kg/bag,25kg/drum,200kg/drum. according to customer requirements.
pdm is a non-sulfur vulcanizing agent for rubber cable, it can replace thiazoles, thiuram and all sulfur vulcanizing agent, solution of copper wire and copper electrical generation due to exposure to sulfur vulcanizing agent black copper sulfide contamination problems.
Classification: Chemical auxiliary agent
Purity: 99.9%
Type: adsorbent
Appearance: gray violet granule
Usage: tire/rubber industries
Packing: 25kg, 50kg paper bags or as per customer's requirements.
to investigate the temperature dependency of the vulcanization, natural rubber was vulcanized with sulfur, zno, stearic acid and accelerator at 110, 130, 150 and 170 °c for t 90. the crosslink density of the vulcanized natural rubbers was almost identical to each other, i.e., 1.4–1.6 × 10 −4 mol/cm 3.
Classification: Chemical vulcanizing accelerator
Purity: 98.0% MIN
Type: environmental protection rubber accelerator
Appearance: white or light yellow powder or granules
Usage: plastic auxiliary agents
Packing: plastic woven bag
pdf vulcanization or curing is one of the most important processes in rubber technologies. during this process, plastic rubber compounds by parallel. find, read and cite all the research you
Classification: Chemical vulcanizing accelerator
Purity: 97%
Type: environmental protection rubber accelerator
Appearance: light yellow crystal
Usage: coating auxiliary agents, leather auxiliary agents
Packing: 25 kg/bag, 500 kg/bag, 650 kg/bag, 1300 kg/bag
vulcanization is a chemical process in which the rubber is heated with sulphur, accelerator and activator at 140–160°c. the process involves the formation of cross-links between long rubber molecules so as to achieve improved elasticity, resilience, tensile strength, viscosity, hardness and weather resistance.
Classification: Chemical vulcanizing accelerator
Purity: 92-95%
Type: synthesis material intermediates
Appearance: greyish white or light yellow powder
Usage: surfactants, textile auxiliary agents
Packing: plastic woven bag
free online library: vulcanization of epdm rubber compounds with and without blowing agents: identification of reaction events and ttt-diagram using dsc data.(ethylene propylene diene termonomer , report) by polymer engineering and science ; engineering and manufacturing science and technology, general calorimetry chemical kinetics analysis
Classification: Chemical rubber accelerator
Purity: 99%min
Type: accelerator, rubber accelerator
Appearance: grayish-white ,light yellow powder or granules
Usage: petroleum additives, rubber auxiliary agents
Packing: 25kg paper bag inner with plastic film, plastic woven bag, kraft paper bag or jumbo bag
the tensile strength of thermally aged acrylic rubber vulcanizates (2 hours at 150°c) has improved by ~65%, the elongation at break increased by 1.5 times 111. an environmentally friendly approach to recycling of post-vulcanized fluoroelastomer scraps was accomplished by high-shear mechanical milling.
Classification: Chemical vulcanizing accelerator
Purity: 96%MIN
Type: adsorbent
Appearance: light yellow or grey-white
Usage: coating auxiliary agents, leather auxiliary agents
Packing: 25kgs/filmed kraft bag,1000kgs/waterproof poly-bag
vulcanization is a cross-linking reaction by sulfur that generates three-dimensional network structures in rubber and is the best-known process of giving rubber products greater stability. vulcanization was discovered by goodyear in 1839 before the development of the concept of macromolecules by h. staudinger in the 1920s.
Classification: Chemical auxiliary agent
Purity: 98%-99%
Type: additive
Appearance: light yellow powder
Usage: rubber auxiliary agents, rubber accelerator
Packing: 25kg bags or customized
application: used as a secondary accelerator with thiazoles and sulphenamides in nr and sbr compounds. exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active. dpg can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.
Classification: Chemical rubber accelerator
Purity: 95%
Type: synthesis material intermediates
Appearance: grey-white powder
Usage: coating auxiliary agents, paper chemicals
Packing: 20kg kraft bags,500kgs/pallet
vulcanization, chemical process by which the physical properties of natural or synthetic rubber are improved; finished rubber has higher tensile strength and resistance to swelling and abrasion, and is elastic over a greater range of temperatures. in its simplest form, vulcanization is brought about by heating rubber with sulfur.
Classification: Chemical rubber accelerator
Purity: 99%9
Type: environmental protection rubber accelerator
Appearance: gray violet granule
Usage: plastic auxiliary agents, rubber auxiliary agents, surfactants
Packing: 25kg, 50kg paper bags or as per customer's requirements.
very recently, keeping a high vulcanization efficiency, innovative zinc-based activators for rubber vulcanization process have been proposed, based on the introduction of more active and dispersed zinc centers, in order to reduce the amount of zno and the zinc leaching.
Classification: Chemical rubber accelerator
Purity: 92-95%
Type: Accelerator
Appearance: grayish-white or light yellow powder or granular
Usage: plastic auxiliary agents
Packing: 25 kg/bag, 500 kg/bag, 650 kg/bag, 1300 kg/bag
this chapter is an overview of the science and technology of vulcanization. emphasis is placed on general-purpose high-diene rubbers; for example, natural rubber (nr), styrene-butadiene rubber (sbr), and butadiene rubber (br), vulcanized by sulfur in the presence of organic accelerators.
Classification: Chemical vulcanizing accelerator
Purity: ≥99.5%
Type: synthesis material intermediates
Appearance: yellow powder
Usage: surfactants, textile auxiliary agents
Packing: 1kg/bag,25kg/bag,25kg/drum,200kg/drum. according to customer requirements.
vulcanization (british: vulcanisation) is a range of processes for hardening rubbers. 1 the term originally referred exclusively to the treatment of natural rubber with sulfur, which remains the most common practice. it has also grown to include the hardening of other (synthetic) rubbers via various means.
Classification: Chemical vulcanizing accelerator
Purity: 95% min
Type: additive
Appearance: powder
Usage: rubber industry
Packing: 1 kg/bag, 25 kg/bag, 25 kg/drum
the vulcanization kinetics of ethylene-propylene diene monomer (epdm) rubber thermal insulation was studied by using rheometer under isothermal condition at different temperatures. the.
Classification: Chemical rubber accelerator
Purity: 97%
Type: accelerator, rubber accelerator
Appearance: grayish-white or light yellow powder or granular
Usage: tyres, rubber, plastic, adhesive tape, wires
Packing: 25kg/paper-poly pouch
simple mechanical grinding of waste rubber produces low quality feedstock for virgin rubber 4. meanwhile, pyrolysis and incineration are downcycling methods that are still associated with