Phosphorus-containing reaction products useful as flameproofing agents
AssigneeCiba-Geigy Corporation
InventorsHermann Nachbur, Peter Rohringer
Life of this patent
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Abstract
Phosphorus-containing reaction products are provided which are formed from: A. an amidophosphate of the formula ##STR1## in which R.sub.1 and R.sub.2 each are lower alkyl, halogenoalkyl or alkenyl or R.sub.1 and R.sub.2 together are lower alkylene; B. a 1,3,5-triazine substituted by at least 2 primary amino groups; C. formaldehyde and, optionally, D. a lower alkanol. These phosphorus-containing reaction products are useful as flameproofing agents for cellulose-containing fiber materials.
Claims15
A phosphorus-containing condesation products made from
- a. 2 to 6 moles of an amidophosphate of the formula ##STR14## in which R.sub.1 and R.sub.2 each independently are alkyl having 1 to 4 carbon atoms, halogenoalkyl or alkenyl having 2 to 4 carbon atoms, or R.sub.1 and R.sub.2 together are alkylene having 2 to 4 carbon atoms;
- b. 1 mole of a 1,3,5-triazine substituted by at least 2 primary amino groups;
- c. 2 to 12 moles of formaldehyde or of an agent releasing formaldehyde;
- and optionally
- d. 0 to 6 moles of an alkanol having 1 to 4 carbon atoms.
A process for the manufacture of a phosphorus-containing condensation products from an amidophosphate and an aminotriazine, in which process
- a. 2 to 6 moles of an amidophosphate of the formula ##STR20## in which R.sub.1 and R.sub.2 each independently are alkyl having 1 to 4 carbon atoms, halogenoalkyl having 2 to 4 carbon atoms, alkenyl having 2 to 4 carbon atoms, or R.sub.1 and R.sub.2 together are alkylene having 2 to 4 carbon atoms,
- b. 1 mole of a 1,3,5-triazine substituted by at least two primary amino groups, and
- c. 2 to 12 moles of formaldehyde or of an agent releasing formaldehyde, are reacted together at a temperature of 70.degree. to 180.degree. C, and
- d. subsequently etherified with 0 to 6 moles of an alkanol having 1 to 4 carbon atoms.
Agent for the fireproofing of cellulose-containing fiber materials, which agent consists of an aqueous preparation containing a phosphorus-containing condensation products made from
- a. 2 to 6 moles of an amidophosphate of the formula ##STR21## in which R.sub.1 and R.sub.2 each independently are alkyl having 1 to 4 carbon atoms, halogenoalkyl or alkenyl having 2 to 4 carbon atoms, or R.sub.1 and R.sub.2 together are alkylene having 2 to 4 carbon atoms;
- b. 1 mole of a 1,3,5-triazine substituted by at least 2 primary amino groups;
- c. 2 to 12 moles of formaldehyde or of an agent releasing formaldehyde;
- and
- d. 0 to 6 moles of an alkanol having 1 to 4 carbon atoms.
Dependencies are inferred from the claim text.