photoinitiator causing cleavageand production of radicals thatinitiate polymerization by theiraddition to the double bonds inthe polymer system. Propagationleads to growth of the polymer,while termination is reached whenthe radicals are trapped within thefully cured film.
The first series of experimentsused two model formulations: A isbased on a commercial urethanediacrylate solid resin; Tg 56°C with2% Irgacure 2959 as initiator; andB is based on a commercialpolyester di-methacrylate with 2%Irgacure 2959 initiator. A secondseries employs the A and Bsystems with additional multi-functional acrylate monomers; M1– a di-acrylate, M2 – a tri-acrylate,and M3 – a tetra-acrylate ataddition levels of 20/80 ratio ofacrylate/solid resin. The reactivityof each system was determinedwith an RT-FTIR equipped with anenvironmental cell. After fiveminutes in isothermal mode atselected temperatures between 50and 110°C the molten sampleswere irradiated with UV light for120 seconds. Conversion wasmeasured and plotted againstirradiation time.
The tests on film propertieswere comprehensively discussedin this work programme and theconclusions were: the melttemperature is important toachieving good cure and fullconversion was best achieved attemperatures up to 110°C; Thepolyester and urethane (meth)-acrylate resins with differentbackbones and molecular weightsgave different reactivities and filmproperties, although thesedifferences lessened when multi-functional monomers were added.Films exhibited high resistance toscratch and solvent and thepolyester methacrylate basedsamples were more flexible thanthe urethane acrylate basedsamples
CrossLink Powder Coatings hasbeen acquired by USA-basedindustrial coatings maker HentzenCoatings. Florida, USA-basedCrossLink makes powder coatingsfor the general industrial andarchitectural markets. The dealwas effective on 28 Feb 2013.
Cytec Coating Resins establishesexciting new identity as Allnex
Effective 1 Jun 2013, CytecCoating Resins is operating asindependent company Allnex. Thedivestiture of the Coating Resinsbusiness of Cytec Industries tofunds affiliated with AdventInternational was first announcedin Oct 2012 and completed on 3Apr 2013. The adoption of thenew name – Allnex – is the firststep towards establishing thecompany’s new identity.
Paints major Asian Paints Ltd hasposted a net profit-after-tax ofRup 239.56 crores on netsales/income from operations ofRup 2216.90 crores, on astandalone basis, for 4Q endedMar 2013 (net profit-after-tax ofRup 244.59 crores on netsales/income from operations ofRup 2067.28 crores in 4Q endedMar 2012). The Board of thecompany has recommended afinal dividend of Rup 36.50/share
of Rup 10 taking the totaldividend to Rup 46/share for2012-2013. The financial figuresfor the company are presented inthe included table. (1 crore=10 M, 1 lakh=100,000).
Akzo Nobel India Ltd hasrecorded a net profit-after-tax ofRup 625 M on net sales of Rup5246.7 M for 4Q ended Mar 2013(net profit-after-tax of Rup 782.4M on net sales of Rup 9336.3 Min 4Q ended Mar 2012). During4Q 2012-2013, the companyderived revenues of Rup 5178.7M from its coatings business asagainst Rup 8973.4 M in 4Q2011-2012). The Board of thecompany has recommended adividend of Rup 20/share and aspecial dividend of Rup 60/sharefor 2012-2013. The financialfigures for the company arepresented in the included table.
Delta trailers selects PPGcommercial coatings group as itspaint supplier
Delta Manufacturing Inc, aNewport, AR, USA-based makerof steel trailers, announced that ithas selected PPG Industries’commercial coatings group as itspaint supplier. Along with providinga complete line of OEM productsappropriate for Delta’s trailers,PPG representatives have helpedDelta update and reconfigure itsworkflow and paint boothequipment to enhance productivityand efficiency. PPG’s commercialcoatings group offers a full rangeof coating technologies for thecommercial transportation andlight industrial markets such aspolyurethanes, alkyds, epoxies,polyurea, waterborne, pre-