Silanes-based waterborne coatings see surging demand

Silanes-based waterborne coatings to see surging demand

5:12 AM, 3rd January 2018
Increased environmental awareness in the US has boosted the demand for water-based coatings and, thereby, for silanes in the country. © Dynasylan
Increased environmental awareness in the US has boosted the demand for water-based coatings and, thereby, for silanes in the country. © Dynasylan

Industry Insights

The global silane market size was valued at $1.48 billion in 2016 and is expected to ascend at a CAGR of 4.3 percent from 2017 to 2025. Silanes is a silicone-based compound with four organic or inorganic substituent groups attached to the central silicon atom. The product finds usage as a coupling agent, crosslinking agent, adhesion promoter, and resin additive in various applications, according to a report by Grand View Research Inc.

The product is used as a coupling agent in rubber compounding to promote the coupling of non-black pigments to the polymer backbone. This, in turn, helps improve the rolling resistance and compression in rubber. Silane also functions as an adhesion promoter and water scavenger. It is used as an adhesion promoter to improve moisture, temperature, and chemical resistance.

The US has generated a significant product demand over the past few years owing to the growing usage of silane in waterborne paints & coatings. The product finds extensive usage as an adhesion promoter in water-based coating formulations. The hydrolytic stability and film integrity achieved using silanes have fueled its demand in waterborne coatings. Increased environmental awareness in the US has boosted the demand for water-based coatings and, thereby, for silanes in the country.

The automotive industry has been one of the key drivers of this market in the recent past. The product is used in automotive rubber to improve some of its properties such as abrasion resistance, rolling resistance, compound modulus and compression. Key applications of silane-based rubber include automotive tires, shoe soles, hose and belts in addition to other mechanical rubber goods.

Coatings manufactured using the product exhibit enhanced UV resistance, adhesion, water & chemical resistance, flow behaviour, pigment dispersion and filler dispersion. Key functions of these coatings include corrosion prevention, wood treatment and protection from abrasion.

Progressive growth in the building & construction industry has resulted in rising demand for the product in the paints & coatings application in the recent past. Increased spending on infrastructure in BRIC countries has played a key role in boosting the product demand. Significant demand for marine coatings and corrosion protection coatings has also driven the market over the past few years.

Increasing environmental awareness in developed countries of North America and Europe has encouraged the demand for water-based coatings in the recent past as they are free from toxic VOCs. Furthermore, developing countries are anticipated to witness increasing demand for waterborne coatings in the next few years owing to the harmful effects of solvent-based coatings on the environment. The market is likely to witness surging demand for silanes-based waterborne coatings over the forecast period owing to their performance efficiency.

The product is classified as a hazardous chemical by the National Fire Protection Association (NFPA) and, thus, must be used under various safety standards. The growing demand for environment-friendly materials is projected to hamper the market growth over the next few years. Research and innovation are being carried out to develop environment-friendly materials. Cutting-edge technologies, such as lithium hydride technology and PEX pipes technology, are being used to develop silanes with advanced performance.

Various research agencies have invested in research & development to discover novel applications of the product. Technological innovations have led to its usage in semiconductors and for medical purposes. Various manufacturers are focusing on the production of monosilane from silicon tetrachloride.

Product insights

The global market has been segmented into seven product categories including alkyl, sulfur, amino, vinyl, epoxy, methacrylate and chlorosilane. Amino was the largest segment of the market, accounting for 27.7 percent share of the global market volume in 2016. The segment is expected to exhibit a steady growth rate of 4.4 percent from 2017 to 2025. The product improves the chemical bonding of resins in reinforcing materials and inorganic fillers.

In terms of revenue, mono/chloro segment is expected to progress at the fastest CAGR of 5.2 percent over the forecast period. Application of the product as an intermediate in the production of ultrapure silicon is estimated to fuel its demand in the semiconductor industry over the next few years.

Alkyl is projected to be the second-largest product segment over the next few years. It is used for hydrophobic surface treatments of fillers and in organic surfaces. Increasing demand for the product in pigment dispersion and intermediate compounds is expected to contribute to sizeable market growth in the next few years.

Application insights

Key applications of silanes include paints & coatings, adhesive & sealants, rubber & plastics, fiber treatment, and other. Paints & coatings segment dominated the market in 2016, accounting for a share of over 31.8 percent of the global market revenue. The product is widely used as a raw material in the production of anticorrosion coatings, automotive coatings, aircraft coatings, emulsion paints, marine coatings, and interior & exterior decorative coatings.

Coatings formulated using silanes are employed in numerous end-use applications such as building & construction, automotive, industrial machinery, and electronics. The prospective growth of these end-use industries is predicted to augment the product demand over the forecast period. Increasing infrastructure investment in developing countries has been a dominant factor driving the demand for coatings, which is, in turn, expected to have a positive impact on silanes market over the forecast period.

Adhesives & sealants was a major application of the product, accounting for a share of around 26 percent of the global market revenue in 2016. The product is used as a crosslinking agent, reinforcing agent and drying agent in the formulation of adhesives & sealants. The usage of the product enhances the strength and long-term stability of adhesives and this application segment is thus anticipated to drive the product demand substantially over the next few years.

Regional Insights

Asia Pacific dominated the global market in 2016 owing to the positive outlook of the automotive and construction industries in this region. Strong economic growth in China, India and the Southeast Asian countries in the past couple of years has significantly bolstered the product demand in numerous applications. Increased automotive production and construction activities propelled this demand in various sectors such as rubber, plastics and paints & coatings in the recent past.

Robust industrial growth in Asia Pacific was a key market driver over the past few years. Economic growth coupled with infrastructure development programs in the ASEAN countries is expected to propel the product demand over the next few years. The emergence of Asia Pacific as a major region for the production of paints & coatings and plastics is expected to drive silanes market over the forecast period.

North America was the second-largest consumer in the global industry, accounting for a share of 24.8 percent of the global revenue in 2016. Consumer preference for waterborne coatings has fueled the product demand in countries including the US and Canada. The requirement for fuel-efficient cars has further bolstered the demand for silanes-based tires in the automotive industry in North America.

Competitive Insights

Key players in the market include Evonik Industries, Shin-Etsu Chemical Co Ltd, Gelest Inc and Wacker Chemie AG. Some of the companies including Dow Corning, Shin-Etsu Chemical Co Ltd, Gelest Inc, Nitrochemie Aschau GmbH, WD Silicone and Wacker Chemie AG have integrated operations as they are involved in the production of key raw material silicone.

Several key companies have adopted integrated operations across the raw materials and manufacturing components of the value chain, mainly as they are involved in the manufacturing of silicone. In July 2016, Evonik Industries inaugurated a competence center in Rheinfelden, Switzerland, to develop silane with advanced features.

© Chemical Today Magazine

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