What is PTR and what is PTE?

It should be TPR

English】 thermoplastic rubber Chinese] thermoplastic rubber.

Others say it's PTR, and it's the same thing: thermoplastic rubber.

Yes, PTR is made of thermoplastic. It's Shuo glue.

Answer, support me.

PTE is a polyester resin, which is the most important variety of thermoplastic polyester. PET is divided into fiber-grade polyester chips and non-fiber-grade polyester chips. Fiber-grade polyester is used in the manufacture of polyester staple fiber and polyester filament, and is the raw material for polyester fiber enterprises to process fibers and related products.

Polyester is the most produced variety of chemical fiber. Non-fiber grade polyester is also used in bottles, films and other uses, which are widely used in the packaging industry, electronic appliances, medical and health, construction, automobiles and other fields, among which packaging is the largest non-fiber application market for polyester, and it is also the fastest growing field of PET.

Advantages of PET as packaging material:

1. It has good mechanical properties, the impact strength is 3 5 times that of other films, and the folding resistance is good.

2. Resistant to oil, fat, dilute acid, dilute alkali, and most solvents.

3. It has excellent high and low temperature resistance, can be used for a long time in the temperature range of 120, can withstand 150 high temperature in short-term use, can withstand -70 low temperature, and has little impact on its mechanical properties when high and low temperature.

4. The permeability of gas and water vapor is low, and it has excellent gas blocking, water, oil and odor properties.

5. High transparency, can block ultraviolet rays, and has good gloss.

6. Non-toxic, tasteless, good health and safety, can be directly used in food packaging.

PTU is the abbreviation of thermoplastic polyurethane elastomer, which is a kind of elastic material that can be plasticized by heating and solvent can be dissolved, with excellent comprehensive properties such as high strength, high toughness, wear resistance, oil resistance, etc., and good processing performance, which is widely used in national defense, medical, food and other industries.

Thermoplastic polyurethane elastomer (TPU) is a linear block copolymer composed of an oligomer polyol soft segment and a diisocyanate chain extender hard segment.

It is similar to other thermoplastics, with rubber elasticity and plastic properties at room temperature, and will melt into viscous fluid at high temperature, which can be processed by injection molding machines (such as extrusion, injection, calendering, blow molding, molding, etc.), without post-processing processes such as mixing and vulcanization, which can save energy and reuse products. TPU is a heat-plasticized, solvent-soluble polyurethane elastomer.

PTA is the main material used in the production of plastic PET (polyester).

PTA is purified terephthalic acid, which is one of the bulk organic raw materials, and the chemical formula is C6H4 (Cooh)2. It is a white crystal or powder at room temperature, low toxicity, flammable, if mixed with air, within a certain limit of fire and ignition, and even **, soluble in alkali solution, slightly soluble in hot ethanol, insoluble in water, ether, glacial acetic acid and chloroform.

Store in a cool, ventilated warehouse. Keep away from fire and heat sources. It should be stored separately from oxidants and alkalis, and should not be mixed.

Equipped with the corresponding variety and quantity of fire-fighting equipment. The storage area should be equipped with suitable materials to contain the spill. It is packed in a plastic bag, a cloth bag or a polypropylene woven bag.

Store in a cool, ventilated and dry place. Protect against heat, sun and moisture. It is stored and transported according to the provisions of general combustible chemicals.

Basic use

PTA is an important bulk organic raw material, which is widely used in all aspects of the national economy such as chemical fibers, light industry, electronics, and construction. At the same time, the application of PTA is relatively concentrated, and more than 90% of the world's PTA is used to produce polyethylene terephthalate (polyester, PET). To produce 1 ton of PET requires up to tonnes of PTA and to tonnes of MEG.

Polyesters include fiber chips, polyester fibers, bottle chips, and film chips. In the domestic market, 75% of PTA is used to produce polyester fibers; 20% is used to produce bottle-grade polyester, which is mainly used in the packaging of various beverages, especially carbonated beverages; 5% is used in film-grade polyester, mainly in packaging materials, film and tape. It can be seen that the downstream extension products of PTA are mainly polyester fibers.

It is a kind of soft rubber, such as TPU, TPE, etc., which is a thermoplastic elastomer, which is used on the handle of a tool, such as shoe soles, tires, etc.

PTE is polyethylene terephthalate, which is the most important variety of thermoplastic polyester, and its English name is Polythylene Terephthalate Abbreviated as PET or PEIT (hereinafter referred to as PET), commonly known as polyester resin. It is a condensation polymer of terephthalic acid with ethylene glycol, and together with PBT, it is collectively known as thermoplastic polyester, or saturated polyester.

HEPLA PTE is a new type of green engineering plastic with excellent performance and high application value. It has outstanding hydrolysis resistance, which can keep the material from deformation in a humid or liquid environment for a long time, and the comprehensive performance will not be affected; Compared with PA66, HePLA PTE still has excellent impact strength and elongation under sufficient tensile strength. HEPLA PTE also has outstanding properties such as high toughness, good tensile strength and flexural modulus, good chemical resistance, and excellent flame retardant properties.

Summary. Hello, pt is platinum. Platinum is element number 78 on the periodic table of chemical elements and has an atomic weight of 195.

Hello, pt is platinum. Platinum is element number 78 on the periodic table of chemical elements and has an atomic weight of 195.

PT Material Properties: 1, belongs to ***. Platinum is widely used due to its high chemical stability and catalytic activity.

It is mostly used to manufacture corrosion-resistant chemical Biyanqing instruments, such as various reaction vessels, evaporation dishes, crucibles, electrodes, platinum meshes, etc., and is also used to manufacture jewelry, crucibles, special containers and standard measuring tools, acting as catalysts, and combining strong magnets with cobalt. Platinum is corrosion and acid resistant (except aqua regia). Platinum and platinum rhodium alloys are often used as thermocouples to determine the temperature of 1200 1750 before measuring the hand.

It is often used as a catalyst in the chemical industry, and platinum can be used as a catalyst in chemical reactions such as hydrogenation, auspicious dehydrogenation, isomerization, cyclization, dehydration, dehalogenation, oxidation, and cracking.

Platinum is a silvery-white lustrous metal with a melting point of 1772, a boiling point of 3827 100, and a density of 21. 45 g cm3 (20), softer, good stretch stupid pants, with simple thermal and electrical conductivity.

I don't understand, I'm asking what kind of application material.

If you are referring to PT cellophane, it is a film made of natural fibers such as cotton pulp and wood pulp and made by adhesive method.

There is only PET as a material in the brigade, and there is no PTE material for the time being.

PET: polyethylene terephthalate;

English name: polyethylene terephthalate;

PET is a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface. It has excellent physical and mechanical properties in a wide range of temperatures, the long-term use temperature can reach 120 degrees Celsius, excellent electrical insulation, and even under high temperature and high frequency lifting, its electrical properties are still good, but the corona resistance is poor, creep resistance, fatigue resistance, friction resistance, and dimensional stability are very good.