Non-cured rubber waterproof coating

Nowadays, more and more consumers pay attention to environmental protection and health, especially the indoor air pollution. "Green" coating that is a new concept, a concept of integrated environmental protection.

With the improvement requirements of building quality at home and abroad, waterproof coating that can make buildings durable waterproofing and easy maintenance after waterproofing construction has been accepted and recognized. Non-curable rubber waterproof coating are being widely used for various construction projects in the country in recent years, as it has a lasting bond, elongation of large scale, excellent anti-aging properties.



The most basic requirement of the waterproof coating is bond strength, whether the bond with foundation or cross stick with other materials. Factors that influence the adhesion of non-curable rubber waterproof coating are low-temperature, oil isolation movements and the material itself bonding properties.Due to the non-cured rubber waterproof coating materials include asphalt material and asphalt crack at low temperatures, so producers must modify asphalt. If the formula is not reasonable, properties of the low temperature resistance will be reduced. Once there has gravity at low temperature conditions, it will break powder, waterproof function is immediately invalidated.

The bond base material of non-curing rubber waterproof coating are cement surface and the other volume material. Whether cement surface or volume material, they cannot contact oil or mineral oil. Especially cement surface, cement, once contact oil class, this oil will penetration to the inside of cement, then damage the inside molecular structure. This led to cement base material early degradation powder, reduce cement strength. Meanwhile, water penetration through cement and contact with steel makes steel easy rust.

Oil substances after migration, resulting in non-curable rubber waterproof coating to harden and lose stickiness. Oil substances under the climatic environment is easy to migrate the segregation, it is recommended that any oil matter is not added when production non-curing. If you have interest, read more about OKCHEM here, thanks! Source: https://www.okchem.com/news/non-cured-rubber-waterproof-coating.html

Main components of coatings

Film-forming material
Film-forming material is the basis of coatings. It plays a decisive role in coating and performance. Material can be used as the film's are many, and modern coating industry mainly uses the resin. Resin is a amorphous of organic, it usually refers to polymers. Now it widely uses synthetic resins, such as alkyd, epoxy resin, acrylic resin, chlorinated rubber resin.

Pigment



It is a main component of the color coatings. Pigments give film colors and make the coating has the ability to cover the coated object. Some pigments can provide properties such as improve the mechanical properties of paint films, improve paint durability, provide protection against corrosion, electrical conductivity, flame retardants and so on. Pigments can be divided into natural and synthetic pigments by source; according to chemical composition they are consists of inorganic and organic pigments; classified by role in the coating, they are colouring pigments, extenders and special pigments. Inorganic pigments is the most widely used one in coating, synthetic pigments are widely used also, now organic pigment developed rapidly.

Solvent
This chemical can dissolve or disperse film-forming substances into uniform liquid of paint so that construction into film. Solvent in principle does not constitute film and should not remain in the film. Many chemicals including water, inorganic compounds and organic compounds can be used as the solvent composition of coatings. Some of the solvents are added during the coatings manufacturing, some are added in the coatings construction.

Additives
Additives are also known as the auxiliary material component of coatings. But it can't form film independently. It as a component of the film and exist in the film after the coatings into film. It has improvement function to paint or coating of a particular aspect of performance improvement. Different varieties of coating use different additives, even paints of the same type, due to its purpose of use, method or performance requirements are different, it needs to use different additives. One kind of coating can use a variety of additives in order to play a different role. If you have interest of OKCHEM chemicals raw materials, please click here!