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Dyes or color formers (examples—continued)

indolyl red leucauramines leucoauramines leucobenzoyl methylene blue 3-methyl-2,2-spirobi(benzo-[f]-chromene) phenoxazine phthalides led by CVL phthalide red phthalide violet phthalide leuco dyes phthlans polysryl carbinols and 8' methoxy benzoindolinospiropyrans rhodamine beta lactams spiropyrans substituted 4,7-diazaphthalides para-toluene sulfonate of Michler's hydrol triarylmethane triphenylmethanes (gentian violet and malachite green) xanthine structure types

Solvents for solubilizing the color formers in the CB coating (examples)

alkylated diphenyl alkylbenzenes alkyldiphenyls alkyldiphenylethers alkylnaphthalenes aromatic ethers (e.g., benzylphenyl ether) benzyl butyl phthlate benzylated ethylbenzene benzylated xylene and other chlorinated or hydrogenated condensed aromatic hydrocarbons, paraffin oils or kerosene and diisopropylr1aphthalene benzyl benzoate butyl diphenyl (butyl biphenyl) sec-butylbiphenyls and di-sec-butyl-biphenyls chlorinated naphthalenes cotton seed oil cyclohexane diallylalkanes diarylethanes dibenzyl toluene dibenzyl ether dibutyl phthalate diethylated, di-propylated, or di-butylated biphenyl, biphenyl oxide, or biphenyl methane diethyl phthalate diisopropylnaphthalene di-n-butyl phthalate dioctyl adipate dioctyl phthalate diphenylalkane ethyldiphenyl methane hydocarbon oil (e.g., parafﬁn, kerosene, or odorless [refined] kerosene) hydrogenated terphenyls isopropylbiphenyl linear alkyl benzenes (C10 to C13-LABs) Magnaﬂux oil mixtures of solvents (e.g., MIPB and hydrogenated terphenyl) monochlorobenzene mono-ethylated, mono-propylated or mono-butylated biphenyl, biphenyl oxide, or biphenyl methane naphthalene or terphenyl (e.g., isopropyl, isobutyl, sec- or tert-butyl) partially hydrogenated terphenyls peanut oil perchloroethylene petroleum distillate polyhalogenated paraffin (e.g., chloroparaffin) polyhalogenated diphenyl (e.g., monochlorodiphenyl or trichloro-diphenyl) Santosol 100 (consists of ethyl-DPMs, benzyl-ethyl-DPMs, and dibenzyl-ethyl-DPMs) Santosol 150 (contains dimethyl-DPMs, benzyl-dimethyl-DPMs, and dibenzyl-dimethyl-DPMs) silicone oil terphenyl toluene tricresylphosphate trichlorobenzene trichloroethyl phosphate tricresylphosphate 1,2,4-trimethyl benzene 2,2,4-trimethyl-1,3-pentanediol diisobutyrate xylene

Capsule material

alcohols (e.g., partially hydrolyzed polyvinyl alcohol or lignosulfonate) aliphatic diisocyanates dissolved in diisopropylnaphthalene, hydrogenated terphenyl, alkylated biphenyl, or diphenyl-alkanes (such as chloroparaffin) or a mixture of these solvents and diamines amines (e.g., ethylenediamine, hexamethyl-enediamine, or triethylenetetramine) and alcohols (e.g., partially hydrolyzed polyvinyl alcohol or lignosulfonate) cyanoacrylate monomers gelatin isocyanates Japan wax, beeswax, paraffin wax, candelilla wax, rice wax, carnauba wax or other synthetic waxes and a solvent such as n-tridecane melamine-formaldehyde multifunctional acid chlorides multifunctional isocyanate polyamide and polyurethane resins polyisocyanates and cross-linking agents (amines) solvent such as n-tridecane urea-formaldehyde

Cross-linking agents in the manufacture of capsules

diethylenetriamine (DETA) formaldehyde glutaraldehyde hexamethylene diisocyanate

Stilt

aid on CB in reducing premature microcapsule breakage (e.g., floc, uncooked arrowroot, wheat starch particles, starch, talc)