摘要:
The present invention relates to a polycarbonate comprising at least one phosphorus-containing group, to the use of the polycarbonate as flame retardant, to a process for producing a polyurethane by using this polycarbonate, and to a polyurethane obtain-able by this process.
摘要:
The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.
摘要:
The use of at least one diphosphine of formula (I), wherein X is S or O; n is 0 or 1; R1, R2, R3, R4 are independently C1-C10-alkyl, C1-C10-hydroxyalkyl, C1-C10-alkoxy, C1-C10-hydroxyalkoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C4-alkyl, C6-C10-aryl-C1-C4-alkoxy, C6-C10-hydroxy-aryl, C6-C10-hydroxy-aryloxy, C1-C10-thioalkyl, C6-C10-thioaryl or C1-C4-thioalkyl-C6-C10-aryl, NR5R6, COR2, COOR5 or CONR5R6; R5, R6 are H, C1-C10-alkyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C4-alkyl; as a flame retardant in a polyurethane material is provided.
摘要:
The invention relates to a polymer composition containing i) styrene polymer(s) and ii) phosphorylated polyether(s) with from 0.5 to 40% by weight phosphorus content, the main chain of which is formed exclusively from carbon atoms and from oxygen atoms, and which has at least three terminal and/or pendant OH groups, where these have been substituted with where ˜ indicates the bond to the polymer skeleton of the polyether; Y is O or S; t is 0 or 1; R1 and R2, being identical or different, are H, C1-C18-alkyl, C2-C18-alkenyl, C2-C18-alkynyl, C3-C10-cycloalkyl, C6-C10-aryl, furyl, C6-C10-aryl-C1-C10-alkyl, OR3, SR3, NR3R4, COR3, COOR3 or CONR3R4, or R1 and R2 form, together with the phosphorus atom P, a 4-8-membered ring system; R3 and R4, being identical or different, are H, C1-C16-alkyl, C2-C16-alkenyl, C3C16-alkynyl, C3-C10-cycloalkyl, C6-C10-aryl or C6-C10-aryl-C1-C10-alkyl, and/or polycarbonates containing phosphorus-containing group(s) of the general formula (I).
摘要:
Phosphine sulfide derivatives of the formula (I), S═PR1R2R3 (I) are suitable as flame retardants, in particular for polymers, where the definitions of the symbols in the formula (I) are as follows: R1 and R2 are identical or different, being C1-C12-alkyl, C3-C8-cycloalkyl, which may have no substitution or may have one or more C1-C4-alkyl groups as substituents, C2-C12-alkenyl, C2-C12-alkynyl, C6-C10-aryl, or C8-C10-aryl-C1-C4-alkyl; R3 is H, SH, SR4, OH, OR5 or a —(Y1)n—[P(═X1)R6—(Y2)n]m—P(═X2)R7R8 group; or two groups R1, R2, R3 form, together with the phosphorus atom bonded thereto, a ring system; X1 and X2 are identical or different, being O or S; Y1 and Y2 are identical or different, being O or S; R4, R5, R6, R7 and R8 are identical or different, being independently from one another C1-C12-alkyl, C3-C8-cycloalkyl, which may have no substitution or may have one or more C1-C4-alkyl groups as substituents, C2-C12-alkenyl, C2-C12-alkynyl, C6-C10-aryl, or C6-C10-aryl-C1-C4-alkyl; n is 1 if Y1 and, respectively, Y2 is O, and is 1, 2, 3, 4, 5, 6, 7, or 8 if Y1 and, respectively, Y2 is S, and m is an integer from 0 to 100.
摘要:
Halogen-free, flame-retardant polymer foams which comprise, as flame retardant, at least one cyclic or acyclic oligophosphorus compound, and processes for their production. Examples of suitable oligophosphorus compounds are those having the structure Ia, Ib, or Ic: Another group of suitable oligophosphorus compounds is that having one of the following structures IIa, IIb, or IIc: Cyclic oligophosphorus compounds of the following structure III are also suitable: The radicals R1-R5 have been selected independently of one another from the group of C1-C16-alkyl, C1-C16-alkenyl, C1-C16-alkoxy, C1-C16-alkenyloxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C16-alkyl, C6-C10-aryl-C1-C16-alkoxy, NR2R3, COR2, COOR2, and CONR2R3 , and the radicals X1 and X2, independently of one another, are O or S.
摘要:
Disclosed is a polymer foam with density in the range from 5 to 120 kg/m3 composed of a polymer component including at least one styrene polymer and from 0.1 to 5 parts by weight of a flame retardant mixture including at least one phosphorus compound of the formula PR1R2R3. A process for producing the polymer is also disclosed.
摘要翻译:公开了一种密度为5至120kg / m 3的聚合物泡沫体,其由包含至少一种苯乙烯聚合物的聚合物组分和0.1至5重量份的阻燃混合物组成,所述阻燃剂混合物包含至少一种式 PR1R2R3。 还公开了聚合物的制造方法。
摘要:
Flame-retardant polymer foams which comprise, as flame retardant, at least one halogenated polymer, for example brominated polystyrene or styrene-butadiene block copolymer having bromine content in the range from 40 to 80% by weight, or tetrabromobisphenol A compounds (TBBPA), processes for producing these, and also flame-retardant expandable styrene polymers.
摘要:
The invention relates to a flame retardant comprising a) at least one sulfur compound of the formula (I) b) at least one halogen-free organophosphorus compound with phosphorus content in the range from 0.5 to 40% by weight, based on the phosphorus compound.
摘要:
A polymer foam with density in the range from 5 to 120 kg/m3, comprising a) a polymer component, comprising at least one styrene polymer, b) from 0.1 to 5 parts by weight (based on 100 parts by weight of component a)) of a flame retardant mixture, comprising b1) at least one phosphorus compound of the formula (I) having phosphorus content in the range from 5 to 80% by weight, based on the phosphorus compound, (X1)s═PR1R2R3 (I) where the definitions of the symbols and indices in the formula (I) are as follows: R1 is C1-C16-alkyl, C1-C10-hydroxyalkyl, C1-C16-alkenyl, C1-C16-alkoxy, C1-C16-alkenoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C16-alkyl, C6-C10-aryl-C1-C16-alkoxy, SR9, COR10, COOR11, CONR12R13; R2 is C1-C16-alkyl, C1-C10-hydroxyalkyl, C1-C16-alkenyl, C1-C16-alkoxy, C1-C16-alkenoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryl-C1-C16-alkyl, C6-C10-aryl-C1-C16-alkoxy, SR9, COR10, COOR11, CONR12R13; R3 is H, SH, SR4, OH, OR5, or a —(Y1)n—[P(═X2)uR6—(Y2)n]m—P(═X3)tR7R8 group; or two groups R1, R2, R3 form, together with the phosphorus atom bonded thereto, a ring system; X1, X2 and X3 are identical or different and, independently of one another, O or S; Y1 and Y2 are identical or different, being O or S; R4, R5, R9, R10, R11, R12, and R13 are identical or different, being C1-C12-alkyl, C3-C8-cycloalkyl, which may either have no substitution or may have one or more C1-C4-alkyl groups as substituents, or being C2-C12-alkenyl, C2-C12-alkynyl, C6-C10-aryl, or C6-C10-aryl-C1-C4-alkyl; R6, R7, and R8 are identical or different and, independently of one another, C1-C16-alkyl, C1-C16-alkenyl, C1-C16-alkoxy, C1-C16-alkenoxy, C3-C10-cycloalkyl, C3-C10-cycloalkoxy, C6-C10-aryl, C6-C10-aryloxy, C6-C10-aryl-C1-C16-alkyl, C6-C10-aryl-C1-C16-alkoxy, SR9, COR10, COOR11, CONR12R13; n is 1 if Y1 and, respectively, Y2 is O, and is 1, 2, 3, 4, 5, 6, 7, or 8 if Y1 and, respectively, Y2 is S; m is an integer from 0 to 100; s, t, and u are, independently of one another, 0 or 1; and b2) elemental sulfur.