Crosslinking is technically defined as the formation of
chemical links between molecular chains to form a three-dimensional network of
connected molecules. It is also a chemical process of bonding links between
polymer chains known as synthetic polymers or natural polymers. The bonding may
be ionic or covalent bond and the crosslink is a covalent structure in many
instances. Polymer chains lose the ability to move as individual polymer chains
after crosslinking. This process is employed in both biological sciences and
synthetic polymer chemistry. Crosslink in synthetic polymers depends on density
and refers to the difference in the polymers’ physical and mechanical
properties. Low density crosslinking decreases the viscosities of polymer
melts, high density crosslinking causes material to become very rigid and an
intermediate density crosslinking results in polymers an elastomeric property
and high strength. It was estimated that a liquid polymer can be turned into
gel or solid by crosslinking. Crosslinked polymers are mechanically strong,
resistant to wear, heat, and solvent attacks. Crosslinking agents possess
characteristics such as good chemical resistance, good compatibility, VOC free,
no gas developments, long pot life, and should be easy to use.
According to the study “Asia
Crosslinking Agents Industry Situation and Prospects Research Report”,
Asia’s crosslinking agents market is categorized into carbodiimide, isocyanate,
aziridine, amine, amino, and amide. Isocyanate crosslinking agent segment holds
a major share in the crosslinking agent market due to its various applications
as coatings in industries such as automotive, appliances, decorative,
packaging, and industrial wood coating. Isocyanate and aziridine crosslinking
agents are costly, non-renewable and are slightly toxic to human skins,
therefore, directly hindering the growth in Asia’s crosslinking agent market.
Crosslinked polyethylene pipes, crosslinked films, crosslinked polyethylene
foams, cable insulation, injection and blow molded articles are a few
applications in Asia’s crosslinking
agent market. Geographically, Asia’s crosslinking agent market is spread across
China, Japan, India, Korea, Saudi Arabia and other regions.
The leading players in Asia’s crosslinking agent market are
Huntsman International LLC, Evonik Industries AG, Hexion Inc, Wanhua Chemical
Group Co, NOF Corporation, BASF SE, The Dow Chemical Company, Allnex Group,
Covestro AG and Pergan Marshall LLC. All the leading vendors are increasingly
focusing on creating strong brand names, offering well-established products,
and exhibit long-term reliability. The vendors in Asia’s crosslinking agent
market are increasingly competing against each other based on factors such as
price, features, and product quality.
Crosslinking agents market is segmented into industrial
coatings and decorative coatings. In the coatings category crosslinking
improves chemical resistance, appearance, mechanical durability, enhances
colour and corrosion resistance. Industrial crosslinking agents coatings
includes coatings for concrete floors, metal building exteriors, concrete
blocks, steel structures, and other miscellaneous equipment. It was observed
that there is an increased demand for eco-friendly and water-based crosslinking
coatings in various industrial applications that is driving the growth in
Asia’s crosslinking agent market. Stringent environmental laws,
industrialization, end-users shifting to VOC-free coatings are major factors
that are driving Asia’s crosslinking agents market. The crosslinking agents
market is expected to witness a drastic growth due to rise in usage of
cross-linked coatings in industries and automobile industry.
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