Huizhou Sandao New material Co., Ltd.
Adhesive could be a smart adhesive performance, will type a skinny film between 2 surfaces and their robust bonding along of fabric, typically by the bonding material, natural process agent, toughening agent, modification agent and dilutant cluster allocation system, and is wide utilized in packaging, electronic appliances, building materials, automobile and transportation, machinery producing, new energy, medical, part and different fields.
(1) adhesive can be divided into silicone adhesive, polyurethane adhesive, epoxy resin adhesive, acrylic adhesive, synthetic rubber adhesive, etc.
Chemical composition classification of adhesives
|Silicone adhesive||Resistant to cold, heat and aging, waterproof, moisture-proof, telescopic, high fatigue strength, permanent deformation, small and non-toxic|
|Polyurethane Adhesive||The material physical and chemical properties can be maintained after bonding at low or ultra-low temperature, which is mainly used in the field of magnetic recording materials for shoes, packaging and automobiles|
|Epoxy resin adhesive||Bonding between metal and most non-metallic materials, widely used in the construction of automotive electronic appliances and daily household items|
|Acrylic adhesive||Mainly used in the production of pressure-sensitive adhesives, but also used in the textile and construction fields|
|Synthetic rubber adhesive||Used in wood processing, construction, decoration, automobile, shoe, packaging, textile, electronic printing and binding, etc|
2) consistent with the classification of raw materials, adhesives will be divided into natural materials and artificial materials. there's a giant gap between the performance of natural materials and artificial materials, and also the application situations area unit terribly restricted. Natural materials animal glue and vegetable glue.
Adhesive by raw material classification
|synthetic material||synthetic rubber|
3) adhesives in step with the chemical composition and hardening approach is completely different, will be divided into solvent adhesives water-based adhesives, hot soften adhesives, reaction adhesives and alternative classes.
Three situations of the adhesive industry in China
According to the China adhesives and tape business association statistics, since 2010 China's adhesive business sales increased year by year, from 58.73 billion yuan in 2010 to 2017 of 98.78 billion yuan, a mean annual compound rate of 8.82% in 2018 can additionally develop business sales, sales can step into a replacement level of $102.7 billion.
In recent years, with the expansion of recent energy, electronic appliances, automobile, aerospace, and different industries, the market demand for superior adhesive merchandise continues to expand, resulting in the continual growth of business production and selling.
Since 2009, China's adhesive production maintained zoom to the tip of 2017, China's adhesive business output reached 7.96 million tons, a year-on-year growth of 8.49% within the same year, business consumption reached 7.88 million tons, a year-on-year growth of 9.29%.
The main application fields of adhesives in China include construction packaging, label, woodworking products, among which construction, construction, civil engineering, decoration process adhesives account for 28%, packaging and label adhesives account for 21%, woodworking and joinery adhesives account for 13%, and transportation adhesives account for 7%.
In recent years, China's broader adhesive application field and has primarily employed in wood process and packaging industries like construction, extension to article of clothing light-weight business machinery producing, part and electronic transport health post warehouse storage etc several fields particularly in recent years, trademark labels and sticker and wide employed in our country, to hurry up the event of the corresponding kinds of adhesive, automobile business industry and electronic business shoe repairing construction the glue amount growth victuals packaging industry.
(1)the development and decoration fields use glue with a gradual switch to the green environmental protection within the construction field within the past, with glue within the construction field area unit in the main composed of solvent-based glue, is currently step by step withdraw from the market at this time, solvent-free sealer structure hot soften adhesive plastic water-based adhesives and superior merchandise by value, is widely utilized in artificial field integrated building exterior wall energy-saving technology, etc
(2)The adhesives utilized in the sphere of versatile packaging are chiefly solvent-based polymer adhesives, solvent-based adhesives, and water-based adhesives. A solvent-free adhesive has outstanding environmental protection, safety, and economy, and is developing quickly within the field of versatile packaging. Waterborne adhesives, as well as waterborne acrylic composite adhesives waterborne polymer composite adhesives 2 categories, with comprehensive coating value low VOC emission will effectively use the first solvent adhesive coating instrumentality production and alternative benefits, is an essential a part of the sphere of sentimental packaging adhesives.
In 2017, the output of China's plastic flexible packaging industry was about 17.818,000 tons, an increase of 6.91% over the 16.6millon tons in 2016. In 2018, the output of China's plastic flexible packaging industry increased to 19.1 million tons. The output of China's plastic flexible packaging industry in recent years is shown in the figure below.
(3) Adhesive for industry is an important material within the production of cars within the automobile producing, the utilization of fine bonding technology will improve the ride comfort, reduce noise-damping light-weight reducing energy consumption to change the method, improve product quality, therefore, adhesive in plays associate irreplaceable role in vehicle style and producing in line with the perform points, adhesive application in automobile consists of automotive body with plastic dynamic system with plastic repair with glue.
|Acrylic pressure-sensitive adhesive, SBS pressure-sensitive adhesive|
Car body structure
PU adhesive, rubber sealing adhesive, poly sulfur sealing adhesive
Chloroprene adhesive, waterborne polyurethane adhesive, acrylic pressure-sensitive adhesive, polyolefin hot melt adhesive, butyl sealant, water-based decorative adhesive
EVA hot melt adhesive, polyamide hot melt adhesive, polyester hot melt adhesive, polyolefin hot melt adhesive, epoxy resin adhesive, SBS hot melt adhesive
Polyurethane sealant, hot-melt pressure-sensitive adhesive, hot-melt polyurethane
PVC welding sealant, rubber electric welding sealant, the epoxy resin adhesive
Polyurethane hot melt adhesive, polyamide hot melt adhesive , polyolefin hot melt adhesive, epoxy adhesive, silicone sealant, butyl hot melt adhesive
Screw, bolt cylinder, gasket engine
Anaerobic silicone sealant epoxy resin sealant
Engine block , water tank
Acrylic adhesive anaerobic adhesive epoxy resin adhesive
Interior, side strip
hot melt glue
4) electronic component
Adhesives have necessary USES in electronic components adhesives play a vital role within the production and assembly of electronic elements, like filling and protection, the employment of adhesives is causative to enhance the impact of electronic elements shock, dust, moisture, electrical insulation, and heat conductivity ability.
Mobile phone adhesive
Epoxy adhesive, conductive adhesive, silicone adhesive, spot welding adhesive, UV adhesive, acrylic adhesive
|Polyurethane hot melt adhesive, acrylic resin adhesive, reactive hot melt adhesive|
Polyurethane hot melt adhesive, UV adhesive, reactive hot melt adhesive, acrylic resin adhesive, high-temperature adhesive
Hot melt pressure-sensitive adhesive, silicone adhesive,
OCA adhesive、UV glue
UV adhesive、drying adhesive
Drying adhesive, UV glue, pressure-sensitive adhesive
UV adhesive, drying adhesive, epoxy resin adhesive, silicone sealant
UV adhesive, hot melt adhesive, instant dry adhesive, epoxy resin adhesive, silicone adhesive
In 2018, the extra worth of China's above-scale electronic info producing trade increased by 13.1%, more than the national trade average of 6.9 %. The electronics producing and software package trade revenues destroyed more than 16 trillion yuan; among them, the electronics producing revenue scale was ten.6 trillion yuan, a rise of 9.0%. In 2018, the export worth of China's electronics producing business was 589.31 billion yuan, the import worth was 4189.8 billion yuan, and also the electronics manufacturing market was 889.33 billion (RMB).
Adhesive products can develop toward the environmental friendly traditional adhesive in use method contain volatile organic solvent like benzine, toluene, endanger form health and environmental pollution, and existing in storage, or preparation of the combustion or explosion danger because the environmental worth idea of resources is turning into additional and additional thorough in style feeling, waterborne ultraviolet radiation activity solventless high solid content and different environmental friendly adhesives are more and more attention.
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