The first raw material of nylon 12 is butadiene, and the monomer lauryl lactam of nylon 12 is created via a series of intermediate steps, and afterwards nylon 12 is produced via polycondensation reaction. The molecular formula of Nylon 12 is: – [NH-(CH2)11-CO] n] -. It can be seen from the molecular formula that the percentage of amide groups in Nylon 12 is lower than that of general nylon materials such as nylon ‘6, nylon 66, and nylon 612. It is the visibility of amide groups that makes nylon, an engineering plastic, have several special buildings, so nylon 12 is fairly different from other nylon products.
There are non-polar methylene teams in nylon 12, as well as the number is large, that makes the molecular chain of nylon 12 more adaptable; the amide group in nylon 12 is polar and also has a large natural power, and also hydrogen bonds can be formed between its molecules, making the arrangement of molecules much more regular. As a result, nylon 12 has high crystallinity as well as high toughness. Nylon 12 (PA12) has low tide absorption, great low temperature resistance, excellent air rigidity, superb alkali resistance and oil resistance, tool resistance to alcohols, not natural dilute acids as well as aromatics, good mechanical as well as electric properties, as well as is a self-extinguishing material.
Currently, it is widely used in fuel pipes and also brake pipes, fiber optics sheaths, photoelectric fiber coatings, sporting activities devices as well as food packaging in automobiles. However, due to the high expense of nylon 12 compared with the largest amount of nylon 6 and also 66, its application variety is seriously impacted.
Nylon 12 Property
1.01 g/mL at 25 °C(lit.)
Application of Nylon 12
Nylon 12 is a long carbon chain polyamide with long methylene chain as well as reduced amide group density; it has reduced density, low melting point, good thermal stability and high decay temperature level; reduced temperature resistance, oil resistance, corrosion resistance, friction loss resistance and also other outstanding qualities; it is extensively used in vehicle system pipelines, chemical oil pipelines, hydraulic transmission systems. Nylon-12 is primarily used as filler and opacifier. A clay alternative, Nylon-12 lowers shine, provides skin a smooth feel, as well as broadens as well as gets with facial movements without completing fine lines, creating a plumped, smooth look.
Nylon 12 has a reduced dampness absorption price and can be utilized for precision-sized electrical parts and also tools; it has excellent gas barrier residential or commercial properties as well as is safe and also can be used for food as well as pharmaceutical product packaging; it has exceptional termite resistance and can be utilized for wire and also wire sheathing. Basically, nylon 12 is commonly made use of in national defense, electronic devices, interaction, equipment, food and also various other sectors due to its exceptional properties, and also its application prospects are very broad.
1) It can be used as a substitute for copper, steel, and rubber to make anti-seismic and wear-resistant oil pipelines and hoses. Such as vehicle oil tubes, oil pipelines, clutch pipes, vehicle fuel pipelines, and so on 2) Made use of for water-proof, reduced temperature level resistant fiber optics, wire sheath and shielding finishing. 3) For the manufacturing of bearings, equipments as well as various other accuracy components as well as digital and electrical elements. 4) Used for powder finish on steel surfaces with good securing efficiency. 5) It is made use of for general extruded items such as plates as well as for the manufacture of corrosion-resistant containers. 6) Used for soft extruded items. 7) Used in the manufacturing of sophisticated finishes and also adhesives. 8) Product packaging movie for food and also medicine.
Properties of Nylon 12
The loved one thickness of nylon 12 is just 1.01-1.03, which is the tiniest amongst all engineering plastics, which has a certain effect on decreasing the weight of cars as well as additionally reducing gas consumption. If contrasted by system amount, nylon 12 has advantages in rate and also performance.
2) Melting point
The melting point of nylon 12 is 172-178 ° C, which is somewhat less than that of nylon 11, which can fully satisfy the work environment temperature degree demands of car gas pipelines and air brake pipes.
3) Water absorption
As everybody recognize, one of the most substantial downside of nylon products is that they have high water absorption in addition to tough to ensure dimensional security. However, as a result of the rise of methylene molecules in nylon 12, the effect of hydrophilic groups is significantly decreased. For that reason, nylon 12 has the lowest water absorption rate amongst nylon products, which lowers the modifications in efficiency as well as dimension of items brought on by water absorption, which makes nylon 12 have great benefits. After taking in water, the tensile stamina of nylon 12 lowers very little, while nylon 66 and likewise nylon 6 have large adjustments.
4) Impact durability
Impact sturdiness is an essential demands, particularly for nylon 12 tubing, which is commonly subjected to air. Nylon 12 was checked according to the standard at -20 ° C in addition to -40 ° C, and also there was no damage experience, which fully pleased the demands for use. Nylon 12 has excellent effect resistance.
5) Reduced temperature degree effectiveness Nylon 12 has the lowest breakable temperature level of -70 levels Celsius, so it can be commonly utilized in lowered temperature level immune parts. The table listed here listings the breakable temperature of nylon materials:
The effect of plasticizers on the physical buildings of nylon 12 is concentrated on the elastic modulus of the material. There are three fundamental kinds of materials for Nylon 12, which differ largely in their flexibility as a result of their plasticizer material. The adaptable modulus of the material lowers with the increase of the internet content of plasticizer extractable elements.
7) Reduced wear as well aslowered scrubing performance Nylon 12 has actually superb reduced wear and rubbing residential or commercial residential or commercial properties and additionally self-lubricating homes, so snag sound of nylon 12 items is really minimized. The abiding by table supplies the well worths acquired by Taber disc examination for Nylon 12 as well as additionally various other plastics.
8) Gas resistance
In cars, the present use of oxygenated gas, high fragrant gas in addition to alcohol blends can create break down of various tube products. Just nylon 11, nylon 12 in addition to fluorocarbon elastomers have been evaluated for use in this atmosphere. Under the activity of lorry gas, all nylons will absolutely swell, leading to dimensional alterations, especially in gas consisting of methanol, nylon with a large number of amide groups, such as nylon 6, will definitely swell a lot more than nylon with a percent of amide groups, such as nylon 12 %. After research study, it was found that gas oil including 15% methanol had an excellent impact on nylon.
9) Resistance to zinc chloride remedy Zinc chloride can be present in the under-vehicle environment. Under specific temperature degree and also moisture, the salt when driving reacts with the galvanized steel sheet or the zinc-containing guide to create a portion of zinc chloride. Zinc chloride is very severe, yet nylon 12 is very unsusceptible to zinc chloride alternatives. Ozone aging, ultraviolet radiation, temperature degree issues, and so forth, will bring different levels of problems to the parts and additionally lower the service life. Ozone aging does not take place due to the absence of + 2 3 2 + unsaturated double bonds that are prone to ozone assault in Nylon 12.
Additionally, nylon 12 has high crystallinity, high melting temperature level, as well as outstanding cozy resistance safety. After consisting of a cozy stabilizer, the warmth resistance efficiency is increased. When sunlight strikes, its power can create chemical bonds in organic matter to damage. Nevertheless, the bond energies of C-H, C-O, along with C-N bonds in nylon 12 are all large, in addition to ultraviolet rays are inadequate to ruin them, as well as can simply wreck C-C bonds with smaller bond energy; for that reason, after including a correct anti-aging representative to the raw material, nylon 12 has superior UV resistance.
Preparation of Nylon 12
A process for preparing nylon 12 with long-chain amino acids as monomers, comprising the steps of:
(1) Initial polymerization: Put the raw material 12-aminododecanoic acid and water into the reactor at a mass ratio of 1:1-4, then add catalysts of 0.01-1% of the mass of raw materials, 0.05-0.5% of antioxidants and 0.08-5% of molecular weight modifiers in sequence, fill nitrogen into the reactor, heat up to 170-190°C for initial polymerization, maintain the internal pressure of the reactor at 0.6-1.2MPa, and enable the stirring of the reactor at the same time. The time is 2 to 6 hours, and the molecular weight of the prepolymer is 3000 to 8000;
(2) Polymerization: Transfer the initial polymerized material to the polymerization kettle, start the polymerization kettle to stir, heat the material temperature to gradually rise to 220-250°C, adjust the pressure of the polymerization kettle, maintain the dehydration speed matching the pressure, and when the pressure of the polymerization kettle drops to normal pressure; change the vacuum to maintain the negative pressure in the polymerization kettle -0.095~-0.08MPa, the polymerization reaction time is 2~5h, and the molecular weight of the polymer is 15000~25000;
(3) Viscosification: Fill the polymerization kettle with nitrogen to a constant pressure, pump the material from the polymerization process into the twin-screw co-rotating extruder at a constant rate, adjust the screw speed and the heating temperature of each zone, and adjust the vacuum degree of the screw to a constant state. After all the process parameters are stabilized, check the consistency of the resin melt index. According to the requirements of the resin characteristics, the molecular weight is controlled at 20,000 to 35,000, and qualified nylon 12 is obtained.
About Products: If you need Nylon 12 as a cosmetic raw material, please contact our service staff directly, we will provide you with high-quality products at the best price. As an experienced Nylon 12 manufacturer and supplier, ZSpharmac will provide Nylon 12 raw materials to customers all over the world for a long time. Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.
Company Profile and Corporate Culture
ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .
The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .
The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.
OUR MISSION Help China Chemicals to benefit the happiness of human life OUR VISSION Become the most trusted chemical supplier in the world OUR BUSINESS PHILOSOPHY Striver – oriented, enrich employees, customer first, deep service, seek development OUR VALUES Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight
The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.
“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.
Business Type: Manufacturer
Product Range: Cosmetic raw materials
Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.
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Do you accept sample order?
We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
What’s your MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
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Yes. We’ll give you product analysis report before shipping.
Is there a discount?
Different quantity has different discount.
1. ≤50kg, Express delivery recommended, usually called as DDU service;
2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;
3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
4. For high value products, please select air shipping and express delivery for safe.