Rohm and Haas will implement list and off-list price increases for acrylic emulsions, styrene-containing polymers, additive, and colorants sold to the architectural coatings, industrial coatings, construction and building products, traffic paint, graphic arts, and the textile and nonwoven industries in North America. The increase of 6 cents per wet pound will take effect immediately or as contracts allow.      In making the announcement, Frank Oliveri, sales and marketing director for architec...