JPH02222435A - Flame retardant styrene resin composition and flame retardant for styrene resin - Google Patents
Flame retardant styrene resin composition and flame retardant for styrene resinInfo
- Publication number
- JPH02222435A JPH02222435A JP4492589A JP4492589A JPH02222435A JP H02222435 A JPH02222435 A JP H02222435A JP 4492589 A JP4492589 A JP 4492589A JP 4492589 A JP4492589 A JP 4492589A JP H02222435 A JPH02222435 A JP H02222435A
- Authority
- JP
- Japan
- Prior art keywords
- styrene resin
- weight
- flame retardant
- flame
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229920005989 resin Polymers 0.000 title claims abstract description 70
- 239000011347 resin Substances 0.000 title claims abstract description 70
- 239000003063 flame retardant Substances 0.000 title claims description 37
- 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 30
- 239000011342 resin composition Substances 0.000 title claims description 10
- 239000000203 mixture Substances 0.000 claims abstract description 20
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000003440 styrenes Chemical class 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 3
- 230000000996 additive effect Effects 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 4
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 230000000979 retarding effect Effects 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 229920001890 Novodur Polymers 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Chemical compound O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- JBDMQURXAAUTAF-UHFFFAOYSA-N [Br].C=Cc1ccccc1 Chemical compound [Br].C=Cc1ccccc1 JBDMQURXAAUTAF-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- NEHMKBQYUWJMIP-NJFSPNSNSA-N chloro(114C)methane Chemical compound [14CH3]Cl NEHMKBQYUWJMIP-NJFSPNSNSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 etc. can be used Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
産業上夏肌尻分立
本発明は難燃性の優れたスチレン樹脂組成物及びスチレ
ン樹脂用難燃化剤に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a styrene resin composition with excellent flame retardancy and a flame retardant for styrene resin.
従来及術
スチレン系樹脂は広い範囲の用途に使用されているが使
用用途によっては燃えやすいという欠点の克服が要求さ
れている。Conventional styrenic resins have been used in a wide range of applications, but depending on the intended use, there is a need to overcome the drawback that they are easily flammable.
このため難燃化スチレン樹脂を得るために臭素含有難燃
化剤が使用されるが、難燃化剤の融点が極端に低いもの
、可塑性の強いもの、分解温度の低い難燃他剤等樹脂の
製造時あるいは製造後の収縮変形による寸法安定性を悪
くするもの、あるいは耐候性、機械的性質を低下させる
等の問題があり、バランスの取れた難燃性スチレン樹脂
組成物が常に求められている。For this reason, bromine-containing flame retardants are used to obtain flame-retardant styrene resins, but flame retardants with extremely low melting points, those with strong plasticity, and other flame retardant resins with low decomposition temperatures There are problems such as deterioration of dimensional stability due to shrinkage and deformation during or after manufacture, or deterioration of weather resistance and mechanical properties, so a well-balanced flame-retardant styrene resin composition is always required. There is.
また、最近、従来以上に大きな成形体または厚みのある
成形体が要求される場合があり、寸法安定性、機械的強
度のある難燃性スチレン樹脂を得ることが重要となって
来ている。Furthermore, recently, larger or thicker molded bodies than conventional ones are sometimes required, and it has become important to obtain flame-retardant styrene resins that have dimensional stability and mechanical strength.
主光里少旦的
本発明の目的は、スチレン系樹脂のもつ本来の特性、耐
熱性、機械的性質を損なうことなく、優れた難燃性のス
チレン樹脂、及び発泡スチレン樹脂組成物、さらにはそ
れらに優れた難燃性を付与する難燃化剤を提供すること
にある。The object of the present invention is to provide a styrene resin and a foamed styrene resin composition that have excellent flame retardancy without impairing the original characteristics, heat resistance, and mechanical properties of styrenic resin, and An object of the present invention is to provide a flame retardant that imparts excellent flame retardancy to.
木見皿皇構底
本発明によれば、
(a)スチレン樹脂100重量部あたり、(b)へキサ
ブロモシクロドブカフ50〜90重量%(以下、%と省
略す)と核臭素スチレン樹脂5〜50%の混合物0.5
〜30重量部
を配合してなることを特徴とする難燃性スチレン樹脂組
成物が提供される。According to the present invention, (a) per 100 parts by weight of styrene resin, (b) 50 to 90% by weight of hexabromocyclodobukaph (hereinafter abbreviated as %) and 5 to 5% by weight of nuclear bromine styrene resin. 50% mixture 0.5
A flame-retardant styrene resin composition is provided, characterized in that the composition contains 30 parts by weight of the flame-retardant styrene resin composition.
また、本発明によれば、
(a)ヘキサブロモシクロドデカン50〜90%と核臭
素化スチレン樹脂5〜50%の混合物70〜98重量部
と、
Φ)分子量60万以下のスチレン樹脂2〜30重量部と
をスチレン樹脂の溶融温度以上の温度で均一に混合し、
細片化して得られるスチレン樹脂難燃化添加剤が提供さ
れる。According to the present invention, (a) 70 to 98 parts by weight of a mixture of 50 to 90% hexabromocyclododecane and 5 to 50% of a nuclear brominated styrene resin, and Φ) 2 to 30 parts by weight of a styrene resin with a molecular weight of 600,000 or less. parts by weight are uniformly mixed at a temperature higher than the melting temperature of the styrene resin,
A styrenic resin flame retardant additive obtained by comminution is provided.
また、本発明によれば、
ヘキサブロモシクロドデカン50〜95%と核臭素化ス
チレン樹脂5〜50%の混合物からなることを特徴とす
るスチレン樹脂用難燃化剤が提供される。Further, according to the present invention, there is provided a flame retardant for styrene resin characterized by comprising a mixture of 50-95% hexabromocyclododecane and 5-50% nuclear brominated styrene resin.
本発明者等は、従来から本用途に使用されている難燃化
剤としてヘキサブロモシクロドデカン、テトラブロモビ
スフェノールAビスアリルエーテル、テトラブロモビス
フェノールAジイソプロピルエーテルを含む難燃化スチ
レン樹脂および難燃化発泡スチレン樹脂の難燃性、寸法
安定性、機械的性質の改良について研究を進めた結果、
難燃化剤としてのヘキサブロモシクロドデカンに分子量
60万以下の核臭素化スチレン樹脂を混合使用すること
により難燃性および寸法安定性、機械的性質が改善され
ることを見出した。The present inventors have discovered flame-retardant styrene resins containing hexabromocyclododecane, tetrabromobisphenol A bisallyl ether, and tetrabromobisphenol A diisopropyl ether as flame retardants conventionally used for this purpose, and flame-retardant As a result of research into improving the flame retardancy, dimensional stability, and mechanical properties of expanded styrene resin,
It has been found that flame retardancy, dimensional stability, and mechanical properties can be improved by mixing hexabromocyclododecane as a flame retardant with a nuclear brominated styrene resin having a molecular weight of 600,000 or less.
ヘキサブロモシクロドデカンと核臭素化スチレン樹脂の
混合比率はヘキサブロモシクロドデカン50〜95%と
核臭素化スチレン樹脂5〜50%の範囲であり、ヘキサ
ブロモシクロドデカンとしては、融点170 ’C〜2
10″Cの範囲、特に融点190°C〜210″Cの範
囲、のものが望ましい。The mixing ratio of hexabromocyclododecane and nuclear brominated styrene resin is in the range of 50 to 95% hexabromocyclododecane and 5 to 50% of nuclear brominated styrene resin, and the melting point of hexabromocyclododecane is 170'C to 2.
A melting point in the range of 10"C, especially a melting point in the range of 190C to 210"C is desirable.
核臭素化スチレン樹脂としてはポリモノブロモスチレン
樹脂、ポリジプロモスチレン樹脂、ポリトリブロモスチ
レン樹脂あるいはそれらの混合物でもよい。The nuclear brominated styrene resin may be a polymonobromostyrene resin, a polydipromostyrene resin, a polytribromostyrene resin, or a mixture thereof.
また、これらの核臭素化スチレン樹脂は、核臭素化スチ
レンモノマーの重合物あるいは、不活性溶媒中で相当す
るスチレン樹脂を臭素化したものの何れでもよい。Further, these nuclear brominated styrene resins may be either polymers of nuclear brominated styrene monomers or products obtained by brominating the corresponding styrene resins in an inert solvent.
本発明の混合物からなる難燃化剤は、粉末状でもよいし
、難燃化剤70〜98部に分子160万以下のスチレン
樹脂2〜30部を加え、押し出し機または圧縮機により
グラニュル化あるいはペレット化、フレーク化したもの
でもよい。The flame retardant consisting of the mixture of the present invention may be in powder form, or may be granulated or made by adding 2 to 30 parts of styrene resin having a molecular weight of 1.6 million or less to 70 to 98 parts of the flame retardant and using an extruder or compressor. It may be made into pellets or flakes.
本発明に使用するスチレン樹脂とは、一般にスチレンモ
ノマーの重合物であり、少量のα−メチルスチレン、ブ
タジェン、メチルメタクリレート、アクリロニトリル等
を含んでもよい。The styrene resin used in the present invention is generally a polymer of styrene monomers, and may contain small amounts of α-methylstyrene, butadiene, methyl methacrylate, acrylonitrile, and the like.
本発明の組成物の製造の際には、三酸化アンチモン、五
酸化アンチモン、酸化モリブデン、リン酸チタン等の難
燃助剤、染顔料、ガラス粉末、ガラス繊維、カーボンブ
ラック、金属粉末、タルク、シリカ等の無機充填剤、酸
化防止剤、紫外線吸収剤、離型剤、帯電防止剤等を添加
することが出来る。When producing the composition of the present invention, flame retardant aids such as antimony trioxide, antimony pentoxide, molybdenum oxide, titanium phosphate, dyes and pigments, glass powder, glass fiber, carbon black, metal powder, talc, Inorganic fillers such as silica, antioxidants, ultraviolet absorbers, mold release agents, antistatic agents, etc. can be added.
本発明の難燃化発泡スチレン樹脂組成物の製造時発泡剤
としては、慣用の発泡剤例えば、アゾジカルボンアミド
、ヘキサメチレンテトラミン、重曹、ジニトロソペンタ
メチレンテトラミン等が使用出来る他、石油エーテル、
エーテル、プロパン、ブタン、メチルクロライド、モノ
クロロジフルオロメタン、ジクロロジフルオロメタン等
の低沸点溶媒を含有するスチレン樹脂を併用することが
出来る。As the blowing agent for producing the flame-retardant expanded styrene resin composition of the present invention, conventional blowing agents such as azodicarbonamide, hexamethylenetetramine, baking soda, dinitrosopentamethylenetetramine, etc. can be used, as well as petroleum ether,
A styrene resin containing a low boiling point solvent such as ether, propane, butane, methyl chloride, monochlorodifluoromethane, dichlorodifluoromethane, etc. can be used in combination.
また、少量のジクミルパーオキサイド等の過酸化物を併
用することも出来る。Further, a small amount of peroxide such as dicumyl peroxide can also be used in combination.
本発明の難燃化スチレン樹脂および発泡スチレン樹脂組
成物は、成形品として建材、電気製品、電子部品材料、
包材、土木資材、インテリア関係材料として利用出来る
。The flame retardant styrene resin and expanded styrene resin composition of the present invention can be used as molded products for building materials, electrical products, electronic component materials,
It can be used as packaging materials, civil engineering materials, and interior materials.
見班勿泣来
本発明において使用する難燃化剤は、少量の添加で優れ
た難燃性をスチレン樹脂、発泡スチレン樹脂に与えるほ
か、寸法安定性、機械的性質を低下させないという優れ
た効果を発揮する。それにより多くの用途に適合する難
燃化スチレン樹脂および発泡スチレン樹脂を与えること
が出来る。。The flame retardant used in the present invention provides excellent flame retardancy to styrene resins and expanded styrene resins even when added in small amounts, and has the excellent effect of not reducing dimensional stability and mechanical properties. demonstrate. This makes it possible to provide flame-retardant styrene resins and expanded styrene resins that are suitable for many uses. .
次に本発明を実施例により具体的に説明する。Next, the present invention will be specifically explained using examples.
実施例1
スチレン樹脂(新日鉄化学、エスチレンG−10)10
0部に対して気泡調整剤として微粉末タルク0.7部お
よび難燃化剤を表の割合で混合したものを、口径50m
mと口径65III11のものを連結した押出機へ約4
0kg/時の割合で供給した。Example 1 Styrene resin (Nippon Steel Chemical, Estyrene G-10) 10
A mixture of 0 parts, 0.7 parts of finely powdered talc as a bubble control agent, and a flame retardant in the ratio shown in the table was added to a tube with a diameter of 50 m.
Approx.
It was supplied at a rate of 0 kg/hour.
発泡剤としてはジクロロジフルオロメタンとメチルクロ
ライドを1:1の重量割合で混合したものを表に示す様
な重量割合で口径50nmの押出機の先端付近から樹脂
中に圧入混合した。As a blowing agent, a mixture of dichlorodifluoromethane and methyl chloride in a weight ratio of 1:1 was press-mixed into the resin from near the tip of an extruder having a diameter of 50 nm at the weight ratio shown in the table.
口金としては先端に厚さ21m、巾102mm、長さ5
mmの短形の樹脂排出口を備えたものを使用し、口金の
先端には、入口寸法が実質的に樹脂排出口寸法に等しく
、出口寸法が厚さ18M1巾200閤であり、入口から
出口に向かって緩やかに拡大された長さ100mmの樹
脂通路を備えた、樹脂通路壁に弗素樹脂を被覆した成型
具を使用した。As for the base, the tip has a thickness of 21 m, a width of 102 mm, and a length of 5 mm.
mm rectangular resin discharge port is used, and the tip of the cap has an inlet dimension substantially equal to the resin discharge port dimension, an exit dimension of 18 mm in thickness, 200 mm in width, and a distance from the inlet to the outlet. A molding tool was used, which had a resin passage with a length of 100 mm that was gradually expanded toward the outside, and whose resin passage walls were coated with fluororesin.
50mmの押出機に供給された樹脂は220°Cに加熱
し溶融混練され、続<65mmの押出機では樹脂温度を
110°C〜130°Cに調整して、口金に供給した。The resin supplied to the 50 mm extruder was heated to 220°C and melt-kneaded, and then in the <65 mm extruder, the resin temperature was adjusted to 110°C to 130°C, and the resin was supplied to the die.
口金から排出された樹脂は大きく発泡し、厚さ25〜2
6III11、巾300〜350IIIalに整えられ
、押出安定性、成型性も良好であった。The resin discharged from the nozzle foams greatly and has a thickness of 25 to 2
6III11, width 300 to 350IIIal, and extrusion stability and moldability were also good.
難燃化剤の評価方法はJIS A−9511で行い自
己消火時間および樹脂のドリップの数を記した。The flame retardant was evaluated in accordance with JIS A-9511, and the self-extinguishing time and number of resin drips were recorded.
(以下余白)
樹脂の相対粘度
実施例1および比較例1の中からタルクを除いたものを
発泡成形したものの1%トルエン溶液を作り、難燃他剤
無添加のものと相対粘度(キャノンフェンスケ粘度計、
25°Cによる)を比較した。(Left below) Relative viscosity of resin A 1% toluene solution was prepared by foam-molding the resins of Example 1 and Comparative Example 1 with talc removed, and the relative viscosity (Cannon Fenske Viscometer,
25°C) were compared.
*
難燃他剤無添加 100実施例1の難
燃他剤添加 105比較例1の難燃他剤添加
89*難燃化剤無添加の相対粘度を100と
した場合の相対粘度比
実施例2
スチレン樹脂(新日鉄化学、エスチレンG−20)10
0部に、ヘキサブロモシクロドデカン(M、P195℃
)80%とポリトリブロモスチレン樹脂20%の混合物
90部に分子量40万のスチレン樹脂10部を加え、二
輪ルーグーで混練ペレット化したものを6部添加し、2
00℃で射出成形し試験片を得た。同時に比較例として
スチレン樹脂100部へヘキサブロモシクロドデカン単
独およびテトラブロモビスフェノールAビスアリルエー
テル単独を5.4部添加したものを同様に射出成形し試
験片を得た。* No addition of other flame retardants 100 Addition of other flame retardants in Example 1 105 Addition of other flame retardants in Comparative Example 1
89* Relative viscosity ratio Example 2 when relative viscosity without flame retardant added is 100 Styrene resin (Nippon Steel Chemical, Estyrene G-20) 10
To 0 parts, hexabromocyclododecane (M, P195℃
) to 90 parts of a mixture of 80% polytribromostyrene resin and 20% polytribromostyrene resin, add 10 parts of styrene resin with a molecular weight of 400,000, and add 6 parts of the mixture kneaded into pellets using a two-wheeled Rougoo.
A test piece was obtained by injection molding at 00°C. At the same time, as a comparative example, 5.4 parts of hexabromocyclododecane alone and tetrabromobisphenol A bisallyl ether alone were added to 100 parts of styrene resin and the same was injection molded to obtain a test piece.
(1)難燃性 JIS K−7201(1/8)C,
ヘキサブロモシクロドデカン 27ボリトリブロ
モスチレン樹脂混合物(8:2)(2)落球衝撃値9
難燃他剤無添加を100とする。(1) Flame retardant JIS K-7201 (1/8)C,
Hexabromocyclododecane 27borytribromostyrene resin mixture (8:2) (2) Falling impact value: 9 No flame retardants added: 100.
a、ヘキサブロモシクロドデカン添加 80%C,ヘ
キサブロモシクロドデカン 95%ポリトリブロ
モスチレン樹脂樹脂物(81)*デュポン落球衝撃試験
機
球径1/4インチ、荷重300g
(3)比粘度1
10g/j2トルエン溶液
a、ヘキサブロモシクロドデカン添加 0.906、
テトラブロモビスフェノールA
ビスアリルエーテル添加 0.70C,ヘキ
サブロモシクロドデカン 1.05ポリトリブロ
モスチレン樹脂混合物(8:2)d、無添加
1.0*キヤノンフ工ンスケ粘度計
、2s°C特許出願人 積水化成品工業株式会社同
第一工業製薬株式会社a, hexabromocyclododecane addition 80% C, hexabromocyclododecane 95% polytribromostyrene resin resin (81) *DuPont falling ball impact tester Ball diameter 1/4 inch, load 300g (3) Specific viscosity 1 10g/ j2 toluene solution a, hexabromocyclododecane addition 0.906,
Tetrabromobisphenol A bisallyl ether addition 0.70C, hexabromocyclododecane 1.05 polytribromostyrene resin mixture (8:2) d, no addition
1.0*Canon Fukunsuke Viscometer, 2s°C Patent Applicant: Sekisui Plastics Co., Ltd.
Daiichi Kogyo Seiyaku Co., Ltd.
Claims (4)
ヘキサブロモシクロドデカン50〜95重量%と核臭素
化スチレン樹脂5〜50重量%の混合物0.5〜30重
量部 を配合してなることを特徴とする難燃性スチレン樹脂組
成物。(1) (a) per 100 parts by weight of styrene resin, (b)
A flame-retardant styrene resin composition comprising 0.5-30 parts by weight of a mixture of 50-95% by weight of hexabromocyclododecane and 5-50% by weight of a nuclear brominated styrene resin.
項の難燃性スチレン樹脂組成物。(2) The first shape is a non-foamed or expanded styrene resin molded product.
Flame-retardant styrene resin composition.
量%と核臭素化スチレン樹脂5〜50重量%の混合物7
0〜98重量部と、 (b)分子量60万以下のスチレン樹脂2〜30重量部
とをスチレン樹脂の溶融温度以上の温度で均一に混合し
、細片化して得られるスチレン樹脂用難燃化添加剤。(3) (a) Mixture 7 of 50-95% by weight of hexabromocyclododecane and 5-50% by weight of nuclear brominated styrene resin
0 to 98 parts by weight, and (b) 2 to 30 parts by weight of a styrene resin with a molecular weight of 600,000 or less, uniformly mixed at a temperature higher than the melting temperature of the styrene resin, and made into small pieces.Flame retardant for styrene resin. Additive.
核臭素化スチレン樹脂5〜50重量%の混合物からなる
ことを特徴とするスチレン樹脂用難燃化剤。(4) A flame retardant for styrene resin, comprising a mixture of 50 to 95% by weight of hexabromocyclododecane and 5 to 50% by weight of nuclear brominated styrene resin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4492589A JPH075804B2 (en) | 1989-02-23 | 1989-02-23 | Flame-retardant styrene resin composition and flame retardant for styrene resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4492589A JPH075804B2 (en) | 1989-02-23 | 1989-02-23 | Flame-retardant styrene resin composition and flame retardant for styrene resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02222435A true JPH02222435A (en) | 1990-09-05 |
JPH075804B2 JPH075804B2 (en) | 1995-01-25 |
Family
ID=12705049
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4492589A Expired - Fee Related JPH075804B2 (en) | 1989-02-23 | 1989-02-23 | Flame-retardant styrene resin composition and flame retardant for styrene resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH075804B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2004587C2 (en) * | 2010-04-21 | 2011-10-24 | Synbra Tech Bv | INSULATING FOAMED FORM. |
EP3053947A1 (en) | 2015-02-06 | 2016-08-10 | Synbra Technology B.V. | A process for producing foam mouldings |
-
1989
- 1989-02-23 JP JP4492589A patent/JPH075804B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2004587C2 (en) * | 2010-04-21 | 2011-10-24 | Synbra Tech Bv | INSULATING FOAMED FORM. |
WO2011133035A1 (en) | 2010-04-21 | 2011-10-27 | Synbra Technology B.V. | Insulating foamed moulded part |
EP3053947A1 (en) | 2015-02-06 | 2016-08-10 | Synbra Technology B.V. | A process for producing foam mouldings |
Also Published As
Publication number | Publication date |
---|---|
JPH075804B2 (en) | 1995-01-25 |
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