Expandable styrene polymers containing graphite particles
First Claim
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1. A particulate expandable styrene polymer which can be processed to give foams having a density of ≦
- 35 g/l and contains from 0.05 to 8% by weight of homogeneously distributed graphite particles having a mean particle size of from 1 to 50 μ
m.
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Abstract
Particulate expandable styrene polymers contain homogeneously distributed graphite particles and can be processed to give self-extinguishing foams having a density of ≦35 g/l.
74 Citations
19 Claims
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1. A particulate expandable styrene polymer which can be processed to give foams having a density of ≦
- 35 g/l and contains from 0.05 to 8% by weight of homogeneously distributed graphite particles having a mean particle size of from 1 to 50 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14)
- 35 g/l and contains from 0.05 to 8% by weight of homogeneously distributed graphite particles having a mean particle size of from 1 to 50 μ
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11. An expanded polystyrene foam having a density of ≦
- 35 g/l, containing from 0.05 to 8% by weight of homogeneously distributed graphite particles having a mean particle size of from 1 to 50 μ
m and having a thermal conductivity which is reduced sufficiently for the foam to meet the requirements of thermal conductivity class 035 (in accordance with DIN 18164, Part 1, Table
4). - View Dependent Claims (12, 15, 16, 17, 18, 19)
- 35 g/l, containing from 0.05 to 8% by weight of homogeneously distributed graphite particles having a mean particle size of from 1 to 50 μ
Specification