摘要:
The invention relates to expandable polymers and/or polymer granulates of cellulose acetate butyrate (CAB) having an average molecular weight (Mn), determined as polystyrene-equivalent molecular weight by means of gel chromatography, of ≥ 20.000 g/mol and an average butyryl content of cellulose acetate butyrate of ≥ 20 wt. %, preferably ≥ 30 wt.%, and corresponding polymer foams.
摘要:
The invention relates to a polymer foam body or expandable polymers to be processed further to form a polymer foam body, in particular particulate expandable polymer particles, containing athermanous carbon-containing particles. According to the invention, the carbon of the athermanous particles is partially arranged in a graphitic manner and is also present as turbostratic carbon.
摘要:
The invention relates to flame-protected expandable polymers. According to the invention, melaminium thiosulfate (bis(2,4,6-triamine-1,3,5-triazinium)thiosulfate) is contained as a flame proofing synergist as a component of a flame proofing composition or in combination with at least one flame proofing agent.
摘要:
The invention relates to expandable polymers or polymer granules and polymer foams consisting of a polymer mixture containing a cellulose acetate butyrate (CAB) and a styrene polymer. The invention also relates to the production thereof.
摘要:
The invention relates to flame-retardant expandable polymers and to polymer foams and to the use thereof. According to the invention, at least one of the following phosphorus compounds is used as a flame retardant: phosphorus compound according to formula (Ia): (la) 10-hydroxy-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-OH); or the salts thereof according to formula (Ib): (lb) (DOPO-OR); or the ring-opened hydrolysates thereof according to formula (lc): (Ic).
摘要:
The invention relates to flame-retardant, expandable polymers that contain at least one flameproofing agent and that contain one or more solids, which are composed of carbon atoms at more than 70 wt % and which in particular exist in the form of athermanous particles. According to the invention, said solid(s) has/have a sulfur content of 0.2 to 30 wt %, preferably 0.3 to 15 wt %, preferably 0.6 to 10 wt %, especially preferably 1.2 to 7 wt%, in the form of sulfur and/or sulfur compounds.