WO2009072846A2 - Flame retardant polycarbonate resin composition having high infrared transmission - Google Patents
Flame retardant polycarbonate resin composition having high infrared transmission Download PDFInfo
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- WO2009072846A2 WO2009072846A2 PCT/KR2008/007229 KR2008007229W WO2009072846A2 WO 2009072846 A2 WO2009072846 A2 WO 2009072846A2 KR 2008007229 W KR2008007229 W KR 2008007229W WO 2009072846 A2 WO2009072846 A2 WO 2009072846A2
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- fluoroolefin
- aromatic
- polycarbonate resin
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- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 229920005668 polycarbonate resin Polymers 0.000 title claims abstract description 17
- 239000004431 polycarbonate resin Substances 0.000 title claims abstract description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims description 9
- 239000003063 flame retardant Substances 0.000 title claims description 9
- 230000005540 biological transmission Effects 0.000 title description 2
- 125000003118 aryl group Chemical group 0.000 claims abstract description 33
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 27
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 27
- 239000010452 phosphate Substances 0.000 claims abstract description 27
- 239000011342 resin composition Substances 0.000 claims abstract description 14
- -1 aromatic monophosphate Chemical class 0.000 claims description 11
- 229910052736 halogen Inorganic materials 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000011368 organic material Substances 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 7
- 229920005992 thermoplastic resin Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical group C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 239000001177 diphosphate Substances 0.000 claims description 4
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims description 4
- 235000011180 diphosphates Nutrition 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 claims description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 2
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 150000004650 carbonic acid diesters Chemical class 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 239000003112 inhibitor Substances 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- YAFOVCNAQTZDQB-UHFFFAOYSA-N octyl diphenyl phosphate Chemical group C=1C=CC=CC=1OP(=O)(OCCCCCCCC)OC1=CC=CC=C1 YAFOVCNAQTZDQB-UHFFFAOYSA-N 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 2
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 claims description 2
- 239000012760 heat stabilizer Substances 0.000 claims 1
- 239000011256 inorganic filler Substances 0.000 claims 1
- 229910003475 inorganic filler Inorganic materials 0.000 claims 1
- 239000004611 light stabiliser Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 abstract description 5
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 229920000515 polycarbonate Polymers 0.000 description 10
- 239000004417 polycarbonate Substances 0.000 description 10
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- ASMQGLCHMVWBQR-UHFFFAOYSA-M diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)([O-])OC1=CC=CC=C1 ASMQGLCHMVWBQR-UHFFFAOYSA-M 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229940045916 polymetaphosphate Drugs 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08L101/04—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Definitions
- the present invention relates to a non-halogen flame retardant polycarbonate resin composition having excellent infrared transmissivity and non-halogen flame retardancy imparted by incorporating a mixture of aromatic phosphate as a non-halogen flame retardant and fluoroolefin into a polycarbonate resin.
- a polycarbonate resin per se has high infrared transmissivity.
- aromatic phosphate and fluoroolefin which are typically used to impart flame retardancy necessary for an external ornament of electric/electronic products, results in rapid deterioration of infrared transmissivity of the product.
- This approach has low infrared transmissivity, thus suffering from limitations of application thereof to products requiring infrared remote control operation, such as TV front cabinet and the like.
- the present invention has been made in view of the above problems, and it is an object of the present invention to provide a flame retardant polycarbonate resin composition having excellent infrared transmissivity, by using non-halogen aromatic phosphate having excellent compatibility with a polycarbonate resin and thus causing no deterioration of infrared transmissivity even when a given amount of the non-ha logen aromatic phosphate is mixed with the polycarbonate resin and by using fluoroolefin having excellent dispersibility.
- a flame retardant thermoplastic resin composition comprising (A) 83 to 93% by weight of a polycarbonate resin, (B) 6 to 17% by weight of aromatic phosphate, and (C) 0.08 to 0.3% by weight of fluoroolefin.
- the polycarbonate resin is a compound prepared by reacting a divalent phenolic compound with a phosgene or carbonic acid diester and containing no halogen.
- the aromatic phosphate is a non-halogen flame retardant and is selected from aromatic monophosphate, aromatic diphosphate and a mixture thereof.
- the aromatic monophosphate is preferably selected from the group consisting of non-halogen substituted triarylphosphate and trialkyl-arylphosphate.
- the triarylphosphate is selected from the group consisting of triph- enylphosphate, tricresylphosphate, trixylenylphosphate and cresyldiphenylphosphate
- the trialkyl-arylphosphate is preferably octyldiphenylphosphate.
- the aromatic diphosphate is preferably a compound represented by Formula 1:
- Ar to Ar are each independently phenyl or aryl substituted with one to three C -C alkyl, R is phenyl or bisphenol A, and l ⁇ n ⁇ 2.
- the fluoroolefin is preferably selected from fluorinated polyethylene, and fluoroethylene with attachment of a thermoplastic resin or organic material.
- the thermoplastic resin or organic material-bound fluoroethylene may include compounds having a core- shell structure where the core is fluoroethylene and the shell is a thermoplastic resin or organic material, and compounds having fluoroethylene with partial branching of a thermoplastic polymer or organic material.
- the fluoroethylene compound is a compound having partial attachment of a thermoplastic polymer or organic material to fluoroethylene or is a core- shell type compound, superior dispersibility is obtained as compared to use of fluoroethylene alone.
- To fluoroethylene is largely attached a styrene organic material or a thermoplastic polymer partially containing a styrene-based moiety, or an acrylic organic material or a thermoplastic polymer partially containing an acrylic moiety.
- the fluoroethylene is preferably polytetrafluorethylene (PTFE).
- Examples of conventional additives that can be added to the resin composition of the present invention may include an antioxidant, a weathering stabilizer, a lubricant, a silicon supplement, a release agent, a pigment, a dye, an antistatic agent, an antibacterial agent, a processing aid, and antiabrasive. These additives can be used within a proper content.
- mixing of composition components may be carried out by a conventional method involving dry blending of the components, followed by heating and melt-mixing.
- the mixing process is carried out typically at a temperature of 24O 0 C to 300 0 C, preferably 26O 0 C to 27O 0 C, such that the individual components can sufficiently maintain physicochemical affinity therebetween.
- the resulting composition may be subjected to a molding method such as injection molding, extrusion molding, blow molding, or the like, which is conventionally employed in molding of polycarbonate.
- the present invention provides a polycarbonate resin composition with superior infrared transmissivity and flame retardancy. Therefore, the resin composition of the present invention can be used for applications of non-coated external parts of electric/ electronic appliances to which an infrared controller is applied.
- MFI was measured at 300 0 C and a load of 1.2 kg, according to ASTM D 1238.
- PC polycarbonate
- PC polycarbonate
- Comparative Example 2 A specimen was prepared and tested in the same manner as in Comparative Example 1, except that 94.8% by weight of PC, 5% by weight of aromatic phosphate, and 0.3% by weight of fluoroolefin were melt-mixed and pelletized at 28O 0 C to obtain a resin composition. The results are given in Table 1 below.
- Comparative Example 3 A specimen was prepared and tested in the same manner as in Comparative Example 1, except that 87.6% by weight of PC, 12% by weight of aromatic phosphate, and 0.4% by weight of fluoroolefin were used. The results are given in Table 1 below.
- Aromatic phosphate exhibits flame retardancy. That is, when it is combusted, the aromatic phosphate produces polymetaphosphate by pyrolysis and the resulting poly- metaphosphate forms a protective layer on a resin, thereby providing flame retardancy. Fluoroolefin is added to prevent the occurrence of dripping upon combustion of the resin. Higher contents of the aromatic phosphate and fluoroolefin provide higher flame retardancy.
- the content of fluoroolefin exhibits the most significant effects on the infrared transmissivity and flame retardancy.
- the resin composition of the present invention maintain high infrared transmissivity and flame retardancy V-O. It can be seen from Examples 1 to 3 that the resin composition of the present invention exhibiting these effects is a composition containing 6 to 17% by weight of aromatic phosphate and 0.08 to 0.3% by weight of fluoroolefin.
Abstract
Provided is a thermoplastic polycarbonate resin composition. The resin composition contains (A) 83 to 93% by weight of a polycarbonate resin, (B) 6 to 17% by weight of aromatic phosphate, and (C) 0.08 to 0.3% by weight of fluoroolefin. The resin composition exhibits excellent infrared transmissivity and flame retardancy.
Description
Description
FLAME RETARDANT POLYCARBONATE RESIN COMPOSITION HAVING HIGH INFRARED TRANSMISSION
Technical Field
[1] The present invention relates to a non-halogen flame retardant polycarbonate resin composition having excellent infrared transmissivity and non-halogen flame retardancy imparted by incorporating a mixture of aromatic phosphate as a non-halogen flame retardant and fluoroolefin into a polycarbonate resin.
[2]
Background Art
[3] In general, a polycarbonate resin per se has high infrared transmissivity. However, addition of aromatic phosphate and fluoroolefin, which are typically used to impart flame retardancy necessary for an external ornament of electric/electronic products, results in rapid deterioration of infrared transmissivity of the product. This approach has low infrared transmissivity, thus suffering from limitations of application thereof to products requiring infrared remote control operation, such as TV front cabinet and the like.
[4]
Disclosure of Invention Technical Problem
[5] Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a flame retardant polycarbonate resin composition having excellent infrared transmissivity, by using non-halogen aromatic phosphate having excellent compatibility with a polycarbonate resin and thus causing no deterioration of infrared transmissivity even when a given amount of the non-ha logen aromatic phosphate is mixed with the polycarbonate resin and by using fluoroolefin having excellent dispersibility.
[6]
Technical Solution
[7] In accordance with an aspect of the present invention, the above and other objects can be accomplished by the provision of a flame retardant thermoplastic resin composition comprising (A) 83 to 93% by weight of a polycarbonate resin, (B) 6 to 17% by weight of aromatic phosphate, and (C) 0.08 to 0.3% by weight of fluoroolefin.
[8] The polycarbonate resin is a compound prepared by reacting a divalent phenolic compound with a phosgene or carbonic acid diester and containing no halogen.
[9] Further, the aromatic phosphate is a non-halogen flame retardant and is selected from
aromatic monophosphate, aromatic diphosphate and a mixture thereof. [10] The aromatic monophosphate is preferably selected from the group consisting of non-halogen substituted triarylphosphate and trialkyl-arylphosphate. [11] Particularly, the triarylphosphate is selected from the group consisting of triph- enylphosphate, tricresylphosphate, trixylenylphosphate and cresyldiphenylphosphate, and the trialkyl-arylphosphate is preferably octyldiphenylphosphate. [12] The aromatic diphosphate is preferably a compound represented by Formula 1:
[14] wherein Ar to Ar are each independently phenyl or aryl substituted with one to three C -C alkyl, R is phenyl or bisphenol A, and l≤n<2.
[15]
[16] Meanwhile, the fluoroolefin is preferably selected from fluorinated polyethylene, and fluoroethylene with attachment of a thermoplastic resin or organic material. Examples of the thermoplastic resin or organic material-bound fluoroethylene may include compounds having a core- shell structure where the core is fluoroethylene and the shell is a thermoplastic resin or organic material, and compounds having fluoroethylene with partial branching of a thermoplastic polymer or organic material. When the fluoroethylene compound is a compound having partial attachment of a thermoplastic polymer or organic material to fluoroethylene or is a core- shell type compound, superior dispersibility is obtained as compared to use of fluoroethylene alone. To fluoroethylene is largely attached a styrene organic material or a thermoplastic polymer partially containing a styrene-based moiety, or an acrylic organic material or a thermoplastic polymer partially containing an acrylic moiety.
[17] In particular, the fluoroethylene is preferably polytetrafluorethylene (PTFE).
[18] Examples of conventional additives that can be added to the resin composition of the present invention may include an antioxidant, a weathering stabilizer, a lubricant, a silicon supplement, a release agent, a pigment, a dye, an antistatic agent, an antibacterial agent, a processing aid, and antiabrasive. These additives can be used within a proper content.
[19] As well known in the related art, mixing of composition components may be carried out by a conventional method involving dry blending of the components, followed by heating and melt-mixing. The mixing process is carried out typically at a temperature of 24O0C to 3000C, preferably 26O0C to 27O0C, such that the individual components can
sufficiently maintain physicochemical affinity therebetween. The resulting composition may be subjected to a molding method such as injection molding, extrusion molding, blow molding, or the like, which is conventionally employed in molding of polycarbonate.
Advantageous Effects
[20] The present invention provides a polycarbonate resin composition with superior infrared transmissivity and flame retardancy. Therefore, the resin composition of the present invention can be used for applications of non-coated external parts of electric/ electronic appliances to which an infrared controller is applied. [21]
Mode for the Invention [22] Measurements of various physical properties in the following Examples and
Comparative Example are carried out as follows. [23]
[24] ( 1 ) Melt flow index (MFI)
[25] MFI was measured at 3000C and a load of 1.2 kg, according to ASTM D 1238.
[26] (2) Tensile strength
[27] The tensile strength was measured according to ASTM D-638.
[28] (3) Flexural strength
[29] The flexural strength was measured according to ASTM D790.
[30] (4) Flexural modulus
[31] The flexural modulus was measured according to ASTM D790.
[32] (5) Izod impact strength
[33] The Izod impact strength was measured at room temperature (230C) according to
ASTM D256.
[34] (6) Infrared transmissivity
[35] An injection-molded specimen having a diameter of 50 mm and a thickness 2 mm was prepared and attached to the receiver module of a conventional infrared controller.
Then, a controllable distance was determined. The standard of a remote control test for a TV should exhibit a distance of more than 12 m for both the front and side. [36] (7) Flame retardancy
[37] The flame retardancy was measured using a specimen having a thickness of 1.6 mm, according to UL-94. [38]
[39] Example 1
[40] 92.92% by weight of polycarbonate (PC) having a melt index of 10 g/ 10 min (ASTM
D 1238, 3000C, 1.2 kgf), 7% by weight of aromatic phosphate [Bis(diphenyl phosphate)
], and 0.08% by weight of fluoroolefin [Acrylic modified PTFE] were melt-mixed and pelletized at 28O0C to obtain a resin composition. The resulting resin composition was molded into a specimen using an injection molding machine and physical properties of the specimen were measured according to the above specified methods. The results are given in Table 1 below.
[41]
[42] Example 2
[43] A specimen was prepared and tested in the same manner as in Example 1, except that
87.92% by weight of PC, 12% by weight of aromatic phosphate, and 0.08% by weight of fluoroolefin were used. The results are given in Table 1 below.
[44]
[45] Example 3
[46] A specimen was prepared and tested in the same manner as in Example 1, except that
82.92% by weight of PC, 17% by weight of aromatic phosphate, and 0.08% by weight of fluoroolefin were used. The results are given in Table 1 below.
[47]
[48] Example 4
[49] A specimen was prepared and tested in the same manner as in Example 1, except that
92.7% by weight of PC, 7% by weight of aromatic phosphate, and 0.3% by weight of fluoroolefin were used. The results are given in Table 1 below.
[50]
[51] Example 5
[52] A specimen was prepared and tested in the same manner as in Example 1, except that
87.7% by weight of PC, 12% by weight of aromatic phosphate, and 0.3% by weight of fluoroolefin were used. The results are given in Table 1 below.
[53]
[54] Example 6
[55] A specimen was prepared and tested in the same manner as in Example 1, except that
82.7% by weight of PC, 17% by weight of aromatic phosphate, and 0.3% by weight of fluoroolefin were used. The results are given in Table 1 below.
[56]
[57] Comparative Example 1
[58] 87.8% by weight of polycarbonate (PC) having a melt index of 10 g/10 min (ASTM
D 1238, 3000C, 1.2 kgf), 20% by weight of aromatic phosphate [Bis(diphenyl phosphate)], and 0.2% by weight of fluoroolefin were melt-mixed and pelletized at 26O0C to obtain a resin composition. The resulting resin composition was molded into a specimen using an injection molding machine and physical properties of the specimen were measured according to the above specified methods. The results are
given in Table 1 below.
[59] [60] Comparative Example 2 [61] A specimen was prepared and tested in the same manner as in Comparative Example 1, except that 94.8% by weight of PC, 5% by weight of aromatic phosphate, and 0.3% by weight of fluoroolefin were melt-mixed and pelletized at 28O0C to obtain a resin composition. The results are given in Table 1 below.
[62] [63] Comparative Example 3 [64] A specimen was prepared and tested in the same manner as in Comparative Example 1, except that 87.6% by weight of PC, 12% by weight of aromatic phosphate, and 0.4% by weight of fluoroolefin were used. The results are given in Table 1 below.
[65] Table 1 [Table 1]
[66] [67] As can be seen from the results of Table 1, polymer compositions of Examples 1 to 6 and Comparative Examples 1 to 3 exhibited differences in the infrared transmissivity and flame retardancy, depending on varying contents of aromatic phosphate and fluoroolefin.
[68] Both of aromatic phosphate and fluoroolefin are used as flame retardant aids. Aromatic phosphate exhibits flame retardancy. That is, when it is combusted, the aromatic phosphate produces polymetaphosphate by pyrolysis and the resulting poly-
metaphosphate forms a protective layer on a resin, thereby providing flame retardancy. Fluoroolefin is added to prevent the occurrence of dripping upon combustion of the resin. Higher contents of the aromatic phosphate and fluoroolefin provide higher flame retardancy.
[69] However, in order to secure high flame retardancy and high infrared transmissivity in the resin of interest, contents of aromatic phosphate and fluoroolefin are limited.
[70] Particularly, the content of fluoroolefin exhibits the most significant effects on the infrared transmissivity and flame retardancy.
[71] Only when the content of fluoroolefin was 0.08% by weight or higher, dripping did not occur in a UL 94 test, thus satisfying V-O. When the content of fluoroolefin was lower than 0.08% by weight, fluoroolefin did not exert a sufficient role as a dripping inhibitor, which resulted in the occurrence of dripping, leading to V-2.
[72] When the content of fluoroolefin was 0.3% by weight or higher, the composition was visually observed to turn opaque, resulting in rapid deterioration of the infrared transmissivity.
[73] As preferred effects, physical properties of the resin composition of the present invention maintain high infrared transmissivity and flame retardancy V-O. It can be seen from Examples 1 to 3 that the resin composition of the present invention exhibiting these effects is a composition containing 6 to 17% by weight of aromatic phosphate and 0.08 to 0.3% by weight of fluoroolefin.
[74] Therefore, it is apparent that infrared transmissivity and flame retardancy of the resin composition can be determined depending on contents of fluoroolefin and aromatic phosphate exhibiting high compatibility with the polycarbonate resin.
Claims
[1] A flame retardant thermoplastic resin composition comprising (A) a polycarbonate resin, (B) aromatic phosphate, and (C) fluoroolefin.
[2] The composition according to claim 1, wherein the composition contains (A) 83 to 93% by weight of the polycarbonate resin, (B) 6 to 17% by weight of aromatic phosphate, and (C) 0.08 to 0.3% by weight of fluoroolefin.
[3] The composition according to claim 1 or 2, wherein the polycarbonate resin is a compound prepared by reacting a divalent phenolic compound with a phosgene or carbonic acid diester and containing no halogen.
[4] The composition according to claim 1 or 2, wherein the aromatic phosphate is selected from aromatic monophosphate, aromatic diphosphate and a mixture thereof.
[5] The composition according to claim 4, wherein the aromatic monophosphate is selected from the group consisting of non-halogen substituted triarylphosphate and trialkyl-arylphosphate.
[6] The composition according to claim 5, wherein the triarylphosphate is selected from the group consisting of triphenylphosphate, tricresylphosphate, trixylenylphosphate and cresyldiphenylphosphate, and the trialkyl-arylphosphate is octyldiphenylphosphate.
[7] The composition according to claim 4, wherein the aromatic diphosphate is a compound represented by Formula 1 :
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008801264512A CN101939381A (en) | 2007-12-05 | 2008-12-05 | Flame retardant polycarbonate resin composition having high infrared transmission |
| US12/866,440 US20110184102A1 (en) | 2007-12-05 | 2008-12-05 | Flame retardant polycarbonate resin composition having high infrared transmission |
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| KR20070125402 | 2007-12-05 | ||
| KR10-2007-0125402 | 2007-12-05 | ||
| KR1020080122868A KR101020047B1 (en) | 2007-12-05 | 2008-12-05 | Flame retardant resin compound |
| KR10-2008-0122868 | 2008-12-05 |
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| WO2009072846A2 true WO2009072846A2 (en) | 2009-06-11 |
| WO2009072846A3 WO2009072846A3 (en) | 2009-07-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924926A (en) * | 2016-07-01 | 2016-09-07 | 东莞市海越塑化有限公司 | Anti-aging infrared-penetrable novel composite material and preparation method thereof |
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| KR19980079379A (en) * | 1997-03-27 | 1998-11-25 | 김윤 | Flame retardant polymer resin composition with improved thermal deformation temperature and mechanical properties |
| KR19990033149A (en) * | 1997-10-23 | 1999-05-15 | 유현식 | Polycarbonate-based thermoplastic resin composition having flame retardancy |
| KR19990033150A (en) * | 1997-10-23 | 1999-05-15 | 유현식 | Polycarbonate-based thermoplastic resin composition having flame retardancy |
| KR100488864B1 (en) * | 1995-11-01 | 2006-07-06 | 제너럴 일렉트릭 캄파니 | Flame retardant polycarbonate/graft blends exhibiting heat aging stability |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100488864B1 (en) * | 1995-11-01 | 2006-07-06 | 제너럴 일렉트릭 캄파니 | Flame retardant polycarbonate/graft blends exhibiting heat aging stability |
| KR19980079379A (en) * | 1997-03-27 | 1998-11-25 | 김윤 | Flame retardant polymer resin composition with improved thermal deformation temperature and mechanical properties |
| KR19990033149A (en) * | 1997-10-23 | 1999-05-15 | 유현식 | Polycarbonate-based thermoplastic resin composition having flame retardancy |
| KR19990033150A (en) * | 1997-10-23 | 1999-05-15 | 유현식 | Polycarbonate-based thermoplastic resin composition having flame retardancy |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105924926A (en) * | 2016-07-01 | 2016-09-07 | 东莞市海越塑化有限公司 | Anti-aging infrared-penetrable novel composite material and preparation method thereof |
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| WO2009072846A3 (en) | 2009-07-23 |
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