Abstract: An ink set for alleviating bleed in multicolor printed elements employing a first ink and a second ink, each containing an aqueous carrier medium and a colorant; the colorant in the first ink being a pigment dispersion and the second ink containing a salt of an organic acid or mineral acid having a solubility of at least 10 parts in 100 parts of water at 25.degree. C.

Abstract: A liquid developer is prepared from a liquid electrostatic developer concentrate comprising up to 80% toner solids and a surfactant. The liquid electrostatic developer concentrate may be prepared by preparing a liquid electrostatic developer containing up to 20% toner solids; subsequently adding a surfactant to the liquid electrostatic developer; and concentrating the liquid electrostatic developer. The surfactant permits the easy redispersion of the toner solids at the time of use.

Abstract: Positive-working electrostatic liquid developer consisting essentially of(A) nonpolar liquid having Kauri-butanol value less than 30, present in major amount,(B) thermoplastic resin particles having an average particle size by area of less than 10 .mu.m, and(C) an AB diblock copolymer charge director compound as defined. Optionally a colorant and charge adjuvant are present. The process of making the electrostatic liquid developer is described. The electrostatic liquid developer is useful in copying, making proofs including digital color proofs, lithographic printing plates, and resists.

Abstract: Process for the preparation of toner particles for electrostatic liquid developers comprising(A) dispersing at ambient temperature colorant, A-B diblock polymer grinding aid as described, and a carrier liquid;(B) adding to the dispersion a thermoplastic resin and dispersing at an elevated temperature to plasticize and liquify the resin;(C) cooling the dispersion as described while grinding with particulate media,(D) separating the dispersion of toner particles average by area particle size less than 10 .mu.m, from the particulate media, and(E) adding during or subsequent to step (B) at least one ionic or zwitterionic charge director compound.Steps (A) and (B) can be combined by adding the thermoplastic resin to the other ingredients and dispersing at an elevated temperature. The liquid developer can be prepared omore quickly by the process than by other known processes. The liquid developers are useful in copying, in making color proofs, etc.

Abstract: Liquid electrostatic developer consisting essentially ofA. nonpolar liquid having Kauri-butanol value less than 30, present in major amount,B. thermoplastic resin particles, average by area particle size less than 10 .mu.m, consisting essentially of mixture (1) 80-95% by weight thermoplastic resin and (2) 20 to 5% by weight multiblock copolymer compound as defined, andC. charge director compound.The process of preparation is also defined. The said developer is useful in copying, making proofs, including digital color proofs, lithographic printing plates, and resists.

Abstract: A textile fabric suitable for use as a fire-blocking sheet in aircraft seat cushion comprises three to seven, fastened together nonwoven layers of hydarulically needled batts of aramid staple fibers.