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New products introduced by Polyvinyl Chemie, Holland, during 1984 for waterbased coatings and ink applications are:

GE Silicones has introduced an advanced, versatile and cost‐effective cure technology. A system which represents the most significant breakthrough for silicones in low‐temperature VU‐cure to date.

GE Silicones has introduced a new silicone‐based resin blend system for paints and coatings. The TRIPLUSR resin family, a solventless, 100 per cent silicone formulation, offers extremely high thermal performance (to 650°C in the cured state) and excellent weatherability.

The General Industries Division will be featuring a number of new products recently added to its Surcol range of acrylic polymers.

This paper aims to present a multi-material additive manufacturing (AM) process with a newly developed curing-on-demand method to fabricate a three-dimensional (3D) object with multiple material compositions.

Unlike the deposition-on-demand printing method, the proposed curing-on-demand printheads use a digital light processing (DLP) projector to selectively cure a thin layer of liquid photocurable resin and then clean the residual uncured material effectively using a vacuuming and post-curing device. Each printhead can individually fabricate one type of material using digitally controlled mask image patterns. The proposed AM process can accurately deposit multiple materials in each layer by combining multiple curing-on-demand printheads together. Consequently, a three-dimensional object can be fabricated layer-by-layer using the developed curing-on-demand printing method.

Effective cleaning of uncured resin is realized with reduced coated resin whose height is in the sub-millimeter level and improved vacuum cleaning performance with the uncleaned resin less than 10 µm thick. Also, fast material swapping is achieved using the compact design of multiple printheads.

The proposed multi-material stereolithography (SL) process enables 3D printing components using more viscous materials and can achieve desired manufacturing characteristics, including high feature resolution, fast fabrication speed and low machine cost.

Anglair Ltd's Product Finishing Division Leicester has supplied the advanced paint plant that has recently come on stream at the Banbury plant of Caradon Rolinx for priming thermoplastics automotive bumper mouldings.