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Bayer Joins MPI’s ‘Starting Point Formula’ Club

Friday, April 23, 2010

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Bayer MaterialScience LLC has joined an exclusive group of coatings raw materials manufacturers—exclusive for now, at any rate—that have succeeded in getting “starting-point formulations”  listed as approved products by the Master Painters Institute (MPI).

MPI recently launched the Starting Point program for paint raw-materials suppliers, in which the supplier companies can submit wet samples of their starting-point (guide) formulas that use the companies’ products—resins, for example. The starting-point formulas must meet the same performance standards as paint products to be included in the institute’s Approved Guide Formulas list.

The program might not be taking on the look of a bandwagon as of yet, but Bayer nonetheless expressed enthusiasm in jumping on board.

“MPI designed the Starting Point Program to help coating raw materials suppliers accelerate acceptance of their most strategic resin or additive technologies by letting MPI provide independent, industry-recognized verification that formulations based on their product meet MPI’s highest performance standards,” the company said in announcing the listings.

Bayer MaterialScience’s starting-point formulas that have made the MPI Approved Guide Formulas list are:

• A formula based on Bayhydrol® UH 2593/1 polyurethane dispersion, which passed MPI 128, a standard pertaining to a water-based, clear, satin-like finish for interior wood;

• A formula based on Bayhydrol® AH XP 2741 acrylic dispersion, which passed MPI 129, a standard for a water-based, clear, semi-gloss finish for interior wood; and

• A formula based on Bayhydrol® UH 2557 polyurethane dispersion, which passed MPI 197, a standard pertaining to a water-based, high-gloss finish for exterior wood.

The news on the MPI listings was one of several developments reported by Bayer MaterialScience during the recent American Coatings Show and Conference in Charlotte, N.C. The company also announced the introduction of water-borne acrylic dispersions, marking the company’s entry into this market segment.

Program’s stated objective: Accelerating technology transfer

In announcing the Starting Point Formula program earlier this year, MPI President Barry Law said the program “could make it easier for our listing paint manufacturers to adopt new technologies to meet MPI performance standards.

“The push towards ‘greener,’ more environmentally-safe products has brought a lot of new technology to the market, and paint suppliers don’t always have the lab time, personnel time or resources to thoroughly evaluate everything they’re shown,” Law said. “We think this program could save paint suppliers valuable time and resources in their work. And that will help them get new products to market faster, and speed up acceptance at the end user level. There’s potential here to move the whole industry forward more quickly to higher performance and environmentally friendly technology.”

MPI is perhaps best known for its Approved Products List of paints that pass the institute’s more than 165 different performance standards. The products listed are proprietary paints submitted by paint manufacturers, and more than 70 companies currently participate in the program. MPI says the new Starting Point program is is ideally suited for suppliers of resins, additives, solvents, or non-color pigments that target commercial and architectural coatings applications.

Peg Kendi, Bayer MaterialScience associate scientist, coatings, adhesives and specialties, said the MPI listings reflect the company’s goal of being “the supplier of choice.” She said the MPI 197 standard—for water-based, high-gloss finishes for exterior wood—presented a particularly stern challenge.

Other starting-point formulas on the MPI Approved Guide Formulas List are from Cook Composites and Polymers, Celanese, and Wacker Polymers. The relevant MPI performance standards and starting-point formulas from all the raw material supplier companies are:

• MPI #44, Latex, Interior—Celanese EcoVAE Interior Eggshell, VOC <50 g/L (based on EcoVAE vinyl acetate ethylene)

• MPI #33, Stain for Exterior Wood Decks—Cook Composites and Polymers, Natural Deck Finish (based on Chempol MPS2410 Sucrose Ester Alkyd Emulsion)

• MPI #56, Varnish, Interior, Polyurethane, Oil Modified, Gloss—Cook Composites and Polymers, Urethane Clear Varnish (based on Chempol MPS 1800 Sucrose Ester Urethane Oil)

• MPI #90, Stain, Semi-Transparent, for Interior Wood—Cook Composites and Polymers, Semi-Transparent Interior Wood Stain (based on Chempol MPS 4460 Sucrose Ester Alkyd)

• MPI #128, Varnish, Water-Based, Clear, Satin—Bayer MaterialScience Satin Finish Waterborne Polyurethane Dispersion (based on Bayhydrol polyurethane dispersion)

• MPI #129, Varnish, Water-Based, Clear, Semi-Gloss—Bayer MaterialScience Semi-Gloss Finish Waterborne Acrylic Dispersion (based on Bayhydrol acrylic dispersion)

• MPI #197, Varnish, Exterior, Water Based (High Gloss)—Bayer MaterialScience Glossy Waterborne Polyurethane Dispersion (based on Bayhydrol polyurethane dispersion)

• MPI #143, Latex, Interior, Institutional, Low-Odor/VOC, Flat—Wacker Polymers Ultra Low VOC Premium Interior Flat (based on VINNAPAS EF8001)

New for Bayer: Acrylic dispersions

Also at the American Coatings Show, Bayer MaterialScience raised the curtain on new waterborne acrylic products in the North American market: Bayhydrol® AH XP 2741 dispersion and Bayhydrol® AH XP 2754 dispersion.

The company says the solvent-free AH XP 2741 dispersion was developed for the formulation of one-component coatings for indoor wood construction and for furniture. Clearcoats formulated with this waterborne styrene acrylate copolymer are reported to offer grain accentuation and good chemical resistance. The dispersion can be used to formulate primers and high-gloss and semigloss coatings, and in combination with polyurethane dispersions and waterborne ultraviolet-cure formulations.

The company says the AH XP 2754 dispersion can be used to formulate one-component, clear and pigmented lacquers for single-layer coatings and topcoats. Formulations based on the technology are said to exhibit a high degree of chemical resistance and hardness.

The company says the introductions reflect its objective of exploring new opportunities to expand its product portfolio in response to market directions.

Joe Maty is a PaintSquare News editor


Tagged categories: Bayer MaterialScience; Certifications and standards; Master Painters Institute (MPI); MPI Approved Product; Raw materials

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