Fire-resistant polycarbonate composition

专利摘要:
A non-opaque flame retardant polycarbonate composition comprising in admixture an aromatic carbonate polymer and an additive which may be the organic cationic salts of either monomeric or polymeric unsubstituted or substituted aliphatic, aromatic or heterocyclic sulfonic acids and inorganic acids.
公开号:SU886751A3
申请号:SU772555947
申请日:1977-12-20
公开日:1981-11-30
发明作者:Фактор Арнольд；Бенджамин Джордж Джаквисс Дональд；Марк Виктор
申请人:Дженерал Электрик Компани (Фирма)；
IPC主号:

专利说明:

er o r-en / o) en, 4-W 886751 1st encii 4: h (O; OjiTa
(en.e) (enz)
4 in the following ratio of components, parts by weight: Polycarbonate Additive 0.1-1.0 The above-mentioned organic cationic salts have a better solubility than alkali or alkaline earth metal salts. Examples 1-8. 100 weight.h. polycarbonate obtained by interfacial polycondensation of bisphenol A and phosgene with a characteristic viscosity of 0.57 is mixed with a certain amount of finely ground additive in the drum. The mixture is then fed into an extruder, where it is crushed into tablets at 2-5 ° C, which are then molded at 315 ° C into 12.7 x 1.27 x 0.15-0.3 cm bars and squares 3.08 x 3.08 x 1 , 27cm. The bars are subjected to fire tests and the results are calibrated with nojuKane V-0, VI and V-ll, where V-0 is the average ignition and / or melting after removing the ignition flame for more than 5 seconds and none of the samples should give a drop of ignition particles that would ignite absorbent chlorine} VI — average ignition and / or smoldering after removing the igniting flame should not exceed 25 s and smoldering should not extend vertically to more than 1/8 of the sample; after stopping the flame and smoldering ignite absorbent th Cotton; V-II - the average ignition and / or smoldering after removing the igniting flame must not exceed 25 s. and samples give particles that ignite absorbent cotton. Squares experience light transmission on a Gardner appliance. The data shows the amount of light transmitted by the tested squares using air as 100% penetration. The test results are presented in the table. As can be seen from the above data, the proposed composition has higher transparency values with preservation of fire resistance in comparison with the known composition. Thus, the use of organic cationic salts in the flame-retardant polycarbonate composition as an additive of organic cationic salts allows one to obtain products based on compositions that have a higher transparency (high light transmission) while maintaining high fire resistance.
or
 (7, 8
V-II
2 Yu (CH3) 0.5 C1
// 7 J / Y-1G- / O
 © CH-SHOZ. EiCiHv4 (.85
 - | 50mMa
7 (O) 1) O) 0.85
50 j 6)
(CH3) jN-C-N (CHj) r NH
(ё SOj. ff)) 1
Na
 YU
Ca
-four
88.0 7.3
V-i
67
,eight
V-II
56,22,2
V-0
8i, 62.2
V-0
69,77,6
V-II
86-88. 26
13
Is burning
1J .J
V-II
V-II
53.3 3r7
It is characterized in that, in order to increase the light transmission, or as an additive, it contains compounds selected from the group:
886751
8 Continuation of the table
Oz
(H5);
Oe
e1 ((
Oe
ee -it (
ei
(en), - 1g-e-1 (1n,) 2
1W.
with the following ratio of components, weight.h ,:
Polycarbonate100
Additive 0.1-1.0
Sources of information ,,: taken into account in the examination
1. US patent number, CP. publish 1976 (prototype)

权利要求:
Claims (1)
[1]
Claim
Flame retardant polycarbonate composition comprising bisphenol A polycarbonate and a flame retardant additive, characterized in that, in order to increase light transmission as an additive, it contains compounds selected from the group:
C1
About the following ratio of comrade, parts by weight:
Polycarbonate
Additive komponent100 about, 1-1,0

类似技术:

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引用文献:

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US4366283A|1979-11-13|1982-12-28|The Dow Chemical Company|Polycarbonate containing a metal salt of a perhalometalate as an ignition depressant|

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US4578409A|1985-01-14|1986-03-25|Mobay Chemical Corporation|Flame retarding silanes|

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US4735978A|1986-12-24|1988-04-05|General Electric Company|Flame retardant polycarbonate composition|

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US7754793B2|2007-08-07|2010-07-13|Bayer Materialscience Llc|Flame resistant polycarbonate composition|

法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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US05/765,363|US4093589A|1977-02-03|1977-02-03|Non-opaque flame retardant polycarbonate composition|

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