TWI644954B - Resin composition, formed body, laminated structure, reflector, and lighting device - Google Patents
Resin composition, formed body, laminated structure, reflector, and lighting device Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3415—Five-membered rings
- C08K5/3417—Five-membered rings condensed with carbocyclic rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
- B32B2264/10—Inorganic particles
- B32B2264/102—Oxide or hydroxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/416—Reflective
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
本發明之阻燃性之樹脂組合物係混合如下成分而成：(A)含有聚丙烯系樹脂55質量%以上之聚丙烯系樹脂組合物50質量%以上、(B)二氧化鈦5質量%以上且20質量%以下、以及(C)選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之群中之至少一種以上之溴系阻燃劑1質量%以上且30質量%以下。 The flame retardant resin composition of the present invention is obtained by mixing the following components: (A) 50% by mass or more of the polypropylene resin composition containing 55 mass% or more of the polypropylene resin, and (B) 5% by mass or more of the titanium dioxide. 20% by mass or less, and (C) at least one or more bromine-based flame retardants selected from the group consisting of exoethyl bis-tetrabromophthalimide or a derivative thereof, 1% by mass or more and 30% by mass or less .
Description
本發明係關於一種含有二氧化鈦之阻燃性之樹脂組合物、成形體、積層結構體、反射板、及照明裝置。 The present invention relates to a flame retardant resin composition containing titanium oxide, a molded body, a laminated structure, a reflecting plate, and a lighting device.
近年來，於以發光二極體等作為光源之電飾看板、照明器具、顯示器等之反射板等中，使用含有二氧化鈦之樹脂組合物(例如參照文獻1：日本專利特開2009-292864號公報、文獻2：日本專利特開2011-26422號公報、文獻3：日本專利特表2002-535731號公報、文獻4：日本專利特表2004-523792號公報)。 In recent years, a resin composition containing titanium dioxide is used for a reflector such as an electric illuminator such as a light-emitting diode or the like, a lighting fixture, or a display (for example, Japanese Laid-Open Patent Publication No. 2009-292864 Document 2: Japanese Patent Laid-Open No. 2011-26422, Document 3: Japanese Patent Laid-Open Publication No. 2002-535731, and Document 4: Japanese Patent Laid-Open Publication No. 2004-523792.
於文獻1中記載之樹脂組合物中，相對於聚丙烯系樹脂或以聚丙烯系樹脂作為主成分之樹脂，含有二氧化鈦及無機填充劑合計45質量%，其中二氧化鈦含有5~42質量%，無機填充劑含有3~18質量%。並且，該樹脂組合物可於不損害反射率之範圍內，添加氯或溴等鹵素系、磷系、金屬氧化物系、金屬氫氧化物系等之阻燃劑。 In the resin composition described in Document 1, the resin containing the polypropylene resin or the polypropylene resin as a main component contains 45% by mass of titanium dioxide and an inorganic filler, and the titanium dioxide contains 5 to 42% by mass. The filler contains 3 to 18% by mass. In addition, the resin composition can be added with a halogen-based, phosphorus-based, metal oxide-based or metal hydroxide-based flame retardant such as chlorine or bromine in a range that does not impair the reflectance.
於文獻2中記載之樹脂組合物中，相對於乙烯-丙烯嵌段共聚物與高密度聚乙烯，含有氧化鈦5~10質量%。並且，該樹脂組合物可視需要調配阻燃劑。 The resin composition described in Document 2 contains 5 to 10% by mass of titanium oxide based on the ethylene-propylene block copolymer and the high-density polyethylene. Further, the resin composition may be formulated with a flame retardant as needed.
文獻3中記載之樹脂組合物係採用如下光反射性物質之構成，該光反射性物質係於聚丙烯之聚合物基質31~70重量%中，以阻燃性物質為12~24重量%及反射性填充材料(金紅石型氧化鈦)之粒子為15~30重量%之比率分散其等而成。 The resin composition described in Document 3 is a light-reflecting substance which is contained in 31 to 70% by weight of a polymer matrix of polypropylene, and 12 to 24% by weight of a flame retardant substance. The particles of the reflective filler (rutile-type titanium oxide) are dispersed at a ratio of 15 to 30% by weight.
文獻4中記載之樹脂組合物係採用如下反射性物質之構成，該反射性物質係於聚丙烯樹脂中添加如十溴二苯醚之溴化芳香族化合物或溴化醯亞胺等阻燃劑1~50wt%而成。 The resin composition described in Document 4 is a structure in which a reflective material is added to a polypropylene resin such as a brominated aromatic compound such as decabromodiphenyl ether or a flame retardant such as ruthenium bromide. 1~50wt%.
然而，於如文獻1、2中記載之含有二氧化鈦而提高反射率之樹脂組合物中，若為賦予阻燃性而添加阻燃劑，則有反射率及成形性降低之虞。又，文獻3、4中記載之添加阻燃劑而賦予阻燃性者亦無法獲得充分之反射率及成形性。 However, in the resin composition containing titanium dioxide and having a higher reflectance as described in the documents 1 and 2, when a flame retardant is added to impart flame retardancy, reflectance and moldability are deteriorated. Further, in the case where the flame retardant is added to the flame retardant described in Documents 3 and 4, sufficient reflectance and moldability cannot be obtained.
本發明之目的在於提供一種抑制成形性及反射率之降低且可獲得阻燃性之樹脂組合物、成形體、積層結構體、反射板、及照明裝置。 An object of the present invention is to provide a resin composition, a molded article, a laminated structure, a reflector, and a lighting device which are capable of suppressing a decrease in moldability and reflectance and which are capable of obtaining flame retardancy.
本發明之樹脂組合物之特徵在於含有如下成分而成：(A)含有包含至少含有丙烯之聚合物之樹脂55質量%以上之聚丙烯樹脂組合物50質量%以上；(B)二氧化鈦5質量%以上且20質量%以下；以及(C)選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之群中之至少一種以上之溴系阻燃劑1質量%以上且30質量%以下。 The resin composition of the present invention is characterized in that (A) a polypropylene resin composition containing 55 mass% or more of a resin containing at least a polymer containing propylene is 50% by mass or more; (B) 5 mass% of titanium oxide And 20% by mass or less; and (C) at least one or more bromine-based flame retardants selected from the group consisting of exoethyl bis-tetrabromophthalimide or a derivative thereof, 1% by mass or more and 30% by mass %the following.
又，本發明之樹脂組合物之特徵在於含有如下成分而成：(A)含有包含至少含有丙烯之聚合物之樹脂55質量%以上之聚丙烯樹脂組合物50質量%以上；(B)二氧化鈦5質量%以上且20質量%以下；以及(C)伸乙基雙四溴鄰苯二甲醯亞胺1質量%以上且30質量%以下。 Moreover, the resin composition of the present invention is characterized in that it contains the following components: (A) 50% by mass or more of the polypropylene resin composition containing 55% by mass or more of the resin containing at least the polymer of propylene; (B) Titanium dioxide 5 The mass% or more and 20% by mass or less; and (C) the ethyl bis-tetrabromophthalimide of 1% by mass or more and 30% by mass or less.
並且，於本發明中，較佳為設為進而混合以內組成(within the total amount of the resin composition)計為1質量%以上且30質量%以下之阻燃助劑而成之構成。 Furthermore, in the present invention, it is preferable to further comprise a flame retardant auxiliary agent having a total amount of the resin composition of 1% by mass or more and 30% by mass or less.
又，於本發明中，較佳為設為上述阻燃助劑為選自三氧化二銻、硼酸鋅、聚四氟乙烯、金屬氧化物、以及二氧化矽之群中之至少一種以上之構成。 Furthermore, in the present invention, it is preferable that the flame retardant auxiliary agent is at least one selected from the group consisting of antimony trioxide, zinc borate, polytetrafluoroethylene, metal oxide, and cerium oxide. .
進而，於本發明中，較佳為設為上述二氧化鈦藉由選自二氧化 矽及氧化鋁之群中之至少一種以上進行表面處理之構成。 Further, in the invention, it is preferred that the titanium dioxide is selected from the group consisting of dioxide At least one or more of the group of cerium and alumina is subjected to surface treatment.
又，於本發明中，較佳為設為上述包含至少含有丙烯之聚合物之樹脂為選自丙烯之均聚物、丙烯與丙烯以外之α-烯烴之無規共聚物、及丙烯與丙烯以外之α-烯烴之嵌段共聚物之群中之至少一種以上之構成。 Further, in the invention, it is preferable that the resin containing the polymer containing at least propylene is a random copolymer selected from the group consisting of a homopolymer of propylene, an α-olefin other than propylene and propylene, and a propylene and propylene. At least one or more of the group of block copolymers of α-olefins.
並且，於本發明中，較佳為設為混合以外組成(in addition to the total amount of the resin composition)計為0.01質量%以上且5質量%以下之選自紫外線吸收劑與光穩定劑之群中之至少一種以上而成之構成。 Furthermore, in the present invention, it is preferable that the mixture is selected from the group consisting of an ultraviolet absorber and a light stabilizer in an amount of 0.01% by mass or more and 5% by mass or less in addition to the total amount of the resin composition. The composition of at least one of the above.
又，於本發明中，較佳為設為上述聚丙烯樹脂組合物含有包含至少含有乙烯之聚合物之樹脂之構成。 Further, in the invention, it is preferable that the polypropylene resin composition contains a resin containing a polymer containing at least ethylene.
進而，於本發明中，較佳為設為上述包含至少含有乙烯之聚合物之樹脂為選自密度為0.910g/cm3以上且0.965g/cm3以下、190℃下之熔體質量流動速率(melt mass-flow rate)為0.01g/10min以上且50g/10min以下之乙烯均聚物、及乙烯與乙烯以外之α-烯烴之共聚物之群中之至少一種以上之構成。 Further, in the invention, it is preferable that the resin containing the polymer containing at least ethylene is a melt mass flow rate selected from a density of 0.910 g/cm 3 or more and 0.965 g/cm 3 or less at 190 ° C. The (melt mass-flow rate) is at least one of an ethylene homopolymer of 0.01 g/10 min or more and 50 g/10 min or less, and a copolymer of ethylene and an α-olefin other than ethylene.
本發明之成形體之特徵在於：其係使本發明之樹脂組合物成形而成。 The molded article of the present invention is characterized in that it is formed by molding the resin composition of the present invention.
本發明之積層結構體之特徵在於：包含至少1層以上包含本發明之樹脂組合物之層。 The laminated structure of the present invention is characterized by comprising at least one or more layers comprising the resin composition of the present invention.
並且，於本發明之積層結構體中，較佳為設為包含上述樹脂組合物之層為表面層之構成。 Further, in the laminated structure of the present invention, it is preferred that the layer containing the resin composition be a surface layer.
本發明之反射板之特徵在於：其係使本發明之樹脂組合物成形而成。 The reflecting plate of the present invention is characterized in that it is formed by molding the resin composition of the present invention.
本發明之照明裝置之特徵在於：包含本發明之反射板。 The illuminating device of the present invention is characterized by comprising the reflecting plate of the present invention.
根據本發明，由於在含有二氧化鈦之樹脂組合物中混合特定量之選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之群中之至少一種以 上之溴系阻燃劑或伸乙基雙四溴鄰苯二甲醯亞胺而成，故而可維持反射率及成形性且賦予阻燃性。 According to the present invention, at least one selected from the group consisting of exoethyl bis-tetrabromophthalimide or a derivative thereof is mixed in a resin composition containing titanium oxide. The bromine-based flame retardant or ethyl bis-tetrabromo-phthalimide is used to maintain the reflectance and formability and impart flame retardancy.
以下，對本發明之樹脂組合物之實施形態進行說明。 Hereinafter, embodiments of the resin composition of the present invention will be described.
再者，本發明之樹脂組合物可較佳地用於例如以發光二極體或有機EL(ElectroLuminescence，電致發光)作為光源之電飾看板或照明裝置、或顯示器之反射板等成形體或積層結構體中，但並不限定於此。 Further, the resin composition of the present invention can be preferably used for a molded body such as an electric illuminating board or a lighting device using a light-emitting diode or an organic EL (Electro Luminescence) as a light source, or a reflecting plate of a display or The laminated structure is not limited to this.
本發明之樹脂組合物係含有如下成分之阻燃性之樹脂組合物：(A)含有聚丙烯系樹脂55質量%以上之聚丙烯系樹脂組合物50質量%以上；(B)二氧化鈦5質量%以上且20質量%以下；以及(C)選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之群中之至少一種以上之溴系阻燃劑1質量%以上且30質量%以下。 The resin composition of the present invention contains a flame retardant resin composition of (A) a polypropylene resin composition containing 55 mass% or more of a polypropylene resin, 50% by mass or more; (B) 5 mass% of titanium dioxide And 20% by mass or less; and (C) at least one or more bromine-based flame retardants selected from the group consisting of exoethyl bis-tetrabromophthalimide or a derivative thereof, 1% by mass or more and 30% by mass %the following.
(A)聚丙烯樹脂組合物係含有包含至少含有丙烯之聚合物之樹脂55質量%以上之組合物。 (A) The polypropylene resin composition contains a composition containing 55 mass% or more of a resin containing at least a polymer of propylene.
作為包含至少含有丙烯之聚合物之樹脂，例如可較佳地使用選自丙烯之均聚物、丙烯與丙烯以外之α-烯烴之無規共聚物、及丙烯與丙烯以外之α-烯烴之嵌段共聚物之群中之至少一種以上。 As the resin containing a polymer containing at least propylene, for example, a homopolymer selected from propylene, a random copolymer of propylene and an α-olefin other than propylene, and an α-olefin other than propylene and propylene can be preferably used. At least one or more of the group of segment copolymers.
並且，若包含至少含有丙烯之聚合物之樹脂之含量少於55質量%，則產生由成形體之表面平滑性受損所導致之反射率之降低、及耐熱性之降低，故而於聚丙烯樹脂組合物中必須含有55質量%以上。 In addition, when the content of the resin containing a polymer containing at least propylene is less than 55% by mass, a decrease in reflectance due to impaired surface smoothness of the molded body and a decrease in heat resistance occur, so that polypropylene resin is used. The composition must contain 55% by mass or more.
又，作為聚丙烯樹脂組合物，較佳為含有例如聚乙烯系樹脂、 即包含至少含有乙烯之聚合物之樹脂。藉由含有該聚乙烯系樹脂，可進一步提高阻燃性樹脂組合物之熔融張力。藉此，可藉由提高熔融張力，而提高擠出成形體(片材)之成形或二次加工中之賦形性(真空成形時之垂伸(draw down)性)。 Moreover, as a polypropylene resin composition, it is preferable to contain, for example, a polyethylene resin, That is, a resin containing a polymer containing at least ethylene. By containing this polyethylene-based resin, the melt tension of the flame-retardant resin composition can be further improved. Thereby, the formability (draw down property at the time of vacuum forming) in the molding or secondary processing of the extrusion molded body (sheet) can be improved by increasing the melt tension.
此處，作為聚乙烯系樹脂，可使用選自密度為0.910g/cm3以上且0.965g/cm3以下、190℃下之熔體質量流動速率為0.01g/10min以上且50g/10min以下之乙烯均聚物、及乙烯與乙烯以外之α-烯烴之共聚物之群中之至少一種以上。其原因在於：若聚乙烯系樹脂之密度偏離上述範圍，則有產生成形性或成形體之機械物性降低之虞。又，其原因在於：若190℃下之熔體質量流動速率偏離上述範圍，則就阻燃樹脂組合物之流動性之方面而言，有產生由成形性或表面外觀之不良所導致之反射率降低之虞。 Here, as the polyethylene-based resin, a melt mass flow rate selected from a density of 0.910 g/cm 3 or more and 0.965 g/cm 3 or less and a temperature of 190 ° C of 0.01 g/10 min or more and 50 g/10 min or less can be used. At least one or more of an ethylene homopolymer and a copolymer of ethylene and an α-olefin other than ethylene. The reason for this is that when the density of the polyethylene-based resin is out of the above range, moldability or mechanical properties of the molded article are lowered. Further, the reason is that if the melt mass flow rate at 190 ° C deviates from the above range, there is a reflectance due to poor formability or surface appearance in terms of fluidity of the flame retardant resin composition. Reduce the embarrassment.
並且，聚丙烯樹脂組合物係相對於阻燃性之樹脂組合物整體而含有50質量%以上。其原因在於：若少於50質量%，則於顆粒造粒時，擠出成形體之成形或二次加工中之賦形性(真空成形時之下拉性、對加工設備之負荷等)產生問題。 In addition, the polypropylene resin composition is contained in an amount of 50% by mass or more based on the entire flame retardant resin composition. The reason for this is that if it is less than 50% by mass, the formability in the molding or secondary processing of the extrusion molded body at the time of pellet granulation (the pull-down property during vacuum forming, the load on the processing equipment, etc.) causes problems. .
(B)二氧化鈦可利用銳鈦礦型、金紅石型、板鈦礦型中之任一種，尤佳為結構最穩定之金紅石型。 (B) Titanium dioxide may use any one of an anatase type, a rutile type, and a brookite type, and is particularly preferably a structurally stable rutile type.
作為二氧化鈦，較佳為藉由選自無機化合物及有機化合物之群中之至少一種以上進行表面處理之粉粒體。 The titanium dioxide is preferably a powder or granule which is surface-treated by at least one selected from the group consisting of inorganic compounds and organic compounds.
作為無機化合物，可列舉：鋁、矽、鋯、鈦、銻、錫或鈰等金屬之含水氧化物、氧化物、氫氧化物及矽氧烷等。作為有機化合物，可列舉：多元醇、矽烷偶合劑等。 Examples of the inorganic compound include aqueous oxides, oxides, hydroxides, and decanes of metals such as aluminum, lanthanum, zirconium, titanium, lanthanum, tin, or antimony. Examples of the organic compound include a polyhydric alcohol, a decane coupling agent, and the like.
尤其是，藉由二氧化矽或氧化鋁進行表面處理之氧化鈦就防止於室外或光源附近經過長時間後阻燃樹脂組合物發生劣化之方面而言 較佳，藉由多元醇進行表面處理之氧化鈦就於阻燃樹脂組合物中之分散性優異之方面而言較佳。 In particular, titanium oxide surface-treated with cerium oxide or aluminum oxide is prevented from being deteriorated in the vicinity of the outdoor or the light source after a long period of time in which the flame retardant resin composition is deteriorated. Preferably, the titanium oxide surface-treated with a polyol is preferred in terms of excellent dispersibility in the flame retardant resin composition.
又，二氧化鈦較佳為平均粒徑為0.4μm以下者。其原因在於：若平均粒徑大於0.4μm，則有於成形體中之分散性較差，產生反射率之降低之虞。 Further, titanium dioxide is preferably one having an average particle diameter of 0.4 μm or less. The reason for this is that if the average particle diameter is more than 0.4 μm, the dispersibility in the molded body is inferior, and the reflectance is lowered.
並且，二氧化鈦係相對於阻燃性樹脂組合物整體，而含有5質量%以上且20質量%。其原因在於：若二氧化鈦之含量少於5質量%，則成形體無法獲得充分之反射率，而無法獲得作為反射體之功能。另一方面，若二氧化鈦之含量多於20質量%，則有產生成形性受損等不良情形之虞。 In addition, the titanium dioxide is contained in an amount of 5% by mass or more and 20% by mass based on the entire flame retardant resin composition. The reason for this is that if the content of the titanium oxide is less than 5% by mass, the molded body cannot obtain a sufficient reflectance, and the function as a reflector cannot be obtained. On the other hand, when the content of the titanium dioxide is more than 20% by mass, there is a problem that the moldability is impaired.
作為(C)溴系阻燃劑，可單獨使用伸乙基雙四溴鄰苯二甲醯亞胺，或使用選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之群中之至少一種以上之溴系阻燃劑。此處，該等衍生物為化合物之一部分之分子經取代者，故而可以不損害作為溴系阻燃劑之功能之任一種衍生物作為對象。 As the (C) bromine-based flame retardant, exoethyl bis-tetrabromophthalimide may be used alone or a group selected from the group consisting of exoethyl bis-tetrabromo-phthalimide or a derivative thereof At least one or more bromine-based flame retardants. Here, since the derivative is a molecule in which a part of the compound is substituted, it is possible to prevent any of the derivatives which are functions of the bromine-based flame retardant from being impaired.
此處，作為伸乙基雙四溴鄰苯二甲醯亞胺之衍生物，例如可列舉：四溴鄰苯二甲酸酐之二乙二醇及丙二醇混合酯等。 Here, examples of the derivative of ethylidene bis-tetrabromophthalimide include diethylene glycol and propylene glycol mixed ester of tetrabromophthalic anhydride.
溴系阻燃劑與磷系阻燃劑或金屬氫氧化物所代表之非溴阻燃劑相比，長期耐熱性優異，故而含有溴系阻燃劑之阻燃性樹脂組合物可於熱源(LED(Light-Emitting Diode，發光二極體)等照明器具)之周邊長時間不劣化而穩定地使用。尤其是磷系阻燃劑容易滲出(bleed out)至成形體表面，有於經過長時間後成形體之反射率降低之虞。進而，金屬氫氧化物與溴系阻燃劑相比耐酸性較差，故而於在室外經過長時間，被淋於酸性度較高之雨中之情形時，有迅速推進劣化之虞。 The bromine-based flame retardant is excellent in long-term heat resistance as compared with the non-brominated flame retardant represented by the phosphorus-based flame retardant or the metal hydroxide. Therefore, the flame-retardant resin composition containing the bromine-based flame retardant can be used as a heat source ( The periphery of a lighting fixture such as an LED (Light-Emitting Diode) is used stably for a long time without deterioration. In particular, the phosphorus-based flame retardant is easily bleed out to the surface of the molded body, and the reflectance of the molded body is lowered after a long period of time. Further, since the metal hydroxide is inferior in acid resistance to the bromine-based flame retardant, it is rapidly deteriorated when it is exposed to rain having a high acidity after a long period of time outdoors.
作為溴系阻燃劑，選自伸乙基雙四溴鄰苯二甲醯亞胺或其衍生 物之群中之至少一種以上由於耐熱性優異，成形時之熱分解較少，與耐候劑之拮抗作用較小，故而成形體之耐候性優異，就該方面而言較佳。 As a bromine-based flame retardant, it is selected from the group consisting of exoethyl bis-tetrabromophthalimide or its derivatives. At least one or more of the group of substances is excellent in heat resistance, has less thermal decomposition during molding, and has less antagonism with the weathering agent, and therefore is excellent in weather resistance of the molded article, and is preferable in this respect.
並且，溴系阻燃劑係相對於阻燃性樹脂組合物整體，而含有1質量%以上且30質量%以下。其原因在於：若溴系阻燃劑之含量少於1質量%，則阻燃性較差，於用於照明構件等之情形時，有耐電痕性(tracking resistance)較差而產生著火之虞，若溴系阻燃劑之含量多於30質量%，則產生成形性或成形體之機械物性之降低。 In addition, the bromine-based flame retardant is contained in an amount of 1% by mass or more and 30% by mass or less based on the entire flame-retardant resin composition. The reason for this is that if the content of the bromine-based flame retardant is less than 1% by mass, the flame retardancy is inferior, and when it is used for a lighting member or the like, there is a problem that the tracking resistance is poor and a fire is generated. When the content of the bromine-based flame retardant is more than 30% by mass, the formability or the mechanical properties of the molded body are lowered.
本發明之阻燃性之樹脂組合物可進而調配以內組成計為1質量%以上且30質量%以下之阻燃助劑。 The flame retardant resin composition of the present invention can be further formulated with a flame retardant auxiliary agent having an internal composition of 1% by mass or more and 30% by mass or less.
作為阻燃助劑，並無特別限定，例如可使用：三氧化二銻、硼酸鋅、聚四氟乙烯、金屬氧化物、二氧化矽、鋁碳酸鎂、碳酸氫鎂、氧化鋅、氧化鋁、氧化鎂、氧化鋯、氧化釩、氧化鉬及其表面處理品、三聚氰胺、氰尿酸三聚氰胺、季戊四醇、二季戊四醇、三季戊四醇、單季戊四醇、異氰尿酸三(2-羥基乙基)酯、聚四氟乙烯等。尤其是選自由三氧化二銻、硼酸鋅、聚四氟乙烯、金屬氧化物、二氧化矽所組成之群中之至少1種以上表現出與伸乙基雙四溴鄰苯二甲醯亞胺或其衍生物之協同效果，可提高樹脂組合物之阻燃性，就該方面而言，可較佳地使用。 The flame retardant auxiliary is not particularly limited, and for example, antimony trioxide, zinc borate, polytetrafluoroethylene, metal oxide, cerium oxide, aluminum magnesium carbonate, magnesium hydrogencarbonate, zinc oxide, aluminum oxide, or the like can be used. Magnesium oxide, zirconium oxide, vanadium oxide, molybdenum oxide and its surface treatment, melamine, melamine cyanurate, pentaerythritol, dipentaerythritol, tripentaerythritol, monopentaerythritol, tris(2-hydroxyethyl) isocyanurate, polytetrafluoro Ethylene and the like. In particular, at least one selected from the group consisting of antimony trioxide, zinc borate, polytetrafluoroethylene, metal oxides, and cerium oxide exhibits ethylidene bis-tetrabromophthalimide. The synergistic effect of the derivative thereof or the derivative thereof can improve the flame retardancy of the resin composition, and in this respect, it can be preferably used.
其原因在於：若阻燃助劑之含量相對於阻燃性樹脂組合物整體而少於1質量%，則阻燃性較差，於用於照明構件等之情形時，有耐電痕性較差而產生著火之虞，若多於30質量%，則有產生成形性或成形體之機械物性之降低之虞。 The reason for this is that when the content of the flame retardant auxiliary is less than 1% by mass based on the entire flame retardant resin composition, the flame retardancy is inferior, and when used for a lighting member or the like, the electric tracking resistance is poor. When the amount of the fire is more than 30% by mass, the formability or the mechanical properties of the molded body are lowered.
又，本發明之阻燃性之樹脂組合物可進而混合以外組成計為0.01質量%以上且5質量%以下之選自紫外線吸收劑與光穩定劑之群中之至 少一種以上。 Further, the flame-retardant resin composition of the present invention may be further blended in an amount of 0.01% by mass or more and 5% by mass or less based on the group selected from the group consisting of ultraviolet absorbers and light stabilizers. Less than one.
作為紫外線吸收劑，只要為吸收促進樹脂成分之劣化之紫外線之成分，則並無特別限定，例如可使用二苯甲酮化合物、***化合物、苯甲酸酯化合物。 The ultraviolet ray absorbing agent is not particularly limited as long as it absorbs ultraviolet rays which deteriorate the resin component, and for example, a benzophenone compound, a triazole compound or a benzoate compound can be used.
具體而言，可列舉：2,4-二羥基二苯甲酮、2-羥基-4-甲氧基二苯甲酮、2-羥基-4-辛氧基二苯甲酮、5,5'-亞甲基雙(2-羥基-4-甲氧基二苯甲酮)等2-羥基二苯甲酮類；2-(2'-羥基-5'-甲基苯基)苯并***、2-(2'-羥基-3',5'-二-第三丁基苯基)-5-氯苯并***、2-(2'-羥基-3'-第三丁基-5'-甲基苯基)-5-氯苯并***、2-(2'-羥基-5'-第三辛基苯基)苯并***、2-(2'-羥基-3',5'-二異丙苯基苯基)苯并***、2,2'-亞甲基雙(4-第三辛基-6-(苯并***)苯酚)、2-(2'-羥基-3'-第三丁基-5'-羧基苯基)苯并***等2-(2'-羥基苯基)苯并***類；水楊酸苯酯、間苯二酚單苯甲酸酯、3,5-二-第三丁基-4-羥基苯甲酸2,4-二-第三丁基苯酯、3,5-二-第三丁基-4-羥基苯甲酸2,4-二第三戊基苯酯、3,5-二-第三丁基-4-羥基苯甲酸十六烷基酯等苯甲酸酯類；2-乙基-2'-乙氧基草醯替苯胺、2-乙氧基-4'-十二烷基草醯替苯胺等取代草醯替苯胺類；2-氰基-3,3'-二苯基丙烯酸乙酯、2-氰基-3-甲基-3-(對甲氧基苯基)丙烯酸甲酯等氰基丙烯酸酯類；2-(2-羥基-4-辛氧基苯基)-4,6-雙(2,4-二-第三丁基苯基)-均三、2-(2-羥基-4-甲氧基苯基)-4,6-二苯基-均三、2-(2-羥基-4-丙氧基-5-甲基苯基)-4,6-雙(2,4-二-第三丁基苯基)-均三等三芳基三類等。該等亦可混合2種以上使用。 Specific examples thereof include 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octyloxybenzophenone, and 5,5' 2-hydroxybenzophenone such as methylene bis(2-hydroxy-4-methoxybenzophenone); 2-(2'-hydroxy-5'-methylphenyl)benzotriazole , 2-(2'-hydroxy-3',5'-di-t-butylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-3'-tert-butyl-5 '-Methylphenyl)-5-chlorobenzotriazole, 2-(2'-hydroxy-5'-t-octylphenyl)benzotriazole, 2-(2'-hydroxy-3', 5'-diisopropylphenylphenyl)benzotriazole, 2,2'-methylenebis(4-thanooctyl-6-(benzotriazole)phenol), 2-(2'- 2-(2'-hydroxyphenyl)benzotriazoles such as hydroxy-3'-tert-butyl-5'-carboxyphenyl)benzotriazole; phenyl salicylate, resorcinol monophenyl Formate, 2,4-di-t-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate, 3,5-di-t-butyl-4-hydroxybenzoic acid 2 , 4-di-t-amylphenyl ester, benzoic acid ester such as cetyl 3,5-di-t-butyl-4-hydroxybenzoate; 2-ethyl-2'-ethoxy grass Substituted aniline, 2-ethoxy-4'-dodecyloxalin, etc. a cyanoacrylate such as ethyl 2-cyano-3,3'-diphenylacrylate or methyl 2-cyano-3-methyl-3-(p-methoxyphenyl)acrylate; -(2-hydroxy-4-octyloxyphenyl)-4,6-bis(2,4-di-t-butylphenyl)-all three , 2-(2-hydroxy-4-methoxyphenyl)-4,6-diphenyl-all three , 2-(2-hydroxy-4-propoxy-5-methylphenyl)-4,6-bis(2,4-di-t-butylphenyl)-all three Triaryl Classes, etc. These may also be used in mixture of 2 or more types.
作為光穩定劑，只要為吸收促進樹脂成分之劣化之自由基之成分，則並無特別限定，例如可使用：N-H型受阻胺化合物、N-甲基型受阻胺化合物、N-O-R型受阻胺化合物。 The light stabilizer is not particularly limited as long as it is a component that absorbs radicals which deteriorate the resin component. For example, an N-H type hindered amine compound, an N-methyl type hindered amine compound, and an N-O-R type hindered amine compound can be used.
具體而言，可列舉：硬脂酸2,2,6,6-四甲基-4-哌啶酯、硬脂酸1,2,2,6,6-五甲基-4-哌啶酯、苯甲酸2,2,6,6-四甲基-4-哌啶酯、癸二酸 雙(2,2,6,6-四甲基-4-哌啶基)酯、癸二酸雙(N-甲基-2,2,6,6-四甲基-4-哌啶基)酯、癸二酸雙(1-辛氧基-2,2,6,6-四甲基-4-哌啶基)酯、1,2,3,4-丁烷四羧酸四(2,2,6,6-四甲基-4-哌啶基)酯、1,2,3,4-丁烷四羧酸四(1,2,2,6,6-五甲基-4-哌啶基)酯、1,2,3,4-丁烷四羧酸雙(2,2,6,6-四甲基-4-哌啶基)酯●二(十三烷基)酯、1,2,3,4-丁烷四羧酸雙(1,2,2,6,6-五甲基-4-哌啶基)酯●二(十三烷基)酯、2-丁基-2-(3,5-二-第三丁基-4-羥基苄基)丙二酸雙(1,2,2,6,6-五甲基-4-哌啶基)酯、1-(2-羥基乙基)-2,2,6,6-四甲基-4-哌啶醇/丁二酸二乙酯聚縮合物、1,6-雙(2,2,6,6-四甲基-4-哌啶基胺基)己烷/2,4-二氯-6-啉基-均三聚縮合物、1,6-雙(2,2,6,6-四甲基-4-哌啶基胺基)己烷/2,4-二氯-6-第三辛基胺基-均三聚縮合物、1,5,8,12-四[2,4-雙(N-丁基-N-(2,2,6,6-四甲基-4-哌啶基)胺基)-均三-6-基]-1,5,8,12-四氮雜十二烷、1,5,8,12-四[2,4-雙(N-丁基-N-(1,2,2,6,6-五甲基-4-哌啶基)胺基)-均三-6-基]-1,5,8,12-四氮雜十二烷、1,6,11-三[2,4-雙(N-丁基-N-(2,2,6,6-四甲基-4-哌啶基)胺基)-均三-6-基]胺基十一烷、1,6,11-三[2,4-雙(N-丁基-N-(1,2,2,6,6-五甲基-4-哌啶基)胺基)-均三-6-基]胺基十一烷等受阻胺化合物等。該等亦可混合2種以上使用。 Specific examples include 2,2,6,6-tetramethyl-4-piperidyl stearate and 1,2,2,6,6-pentamethyl-4-piperidinyl stearate. , 2,2,6,6-tetramethyl-4-piperidinyl benzoate, bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, azelaic acid (N-methyl-2,2,6,6-tetramethyl-4-piperidinyl) ester, bis(1-octyloxy-2,2,6,6-tetramethyl-4) sebacate -piperidinyl), 1,2,3,4-butanetetracarboxylic acid tetrakis(2,2,6,6-tetramethyl-4-piperidyl), 1,2,3,4- Butyl tetracarboxylic acid tetrakis(1,2,2,6,6-pentamethyl-4-piperidyl) ester, 1,2,3,4-butane tetracarboxylic acid bis(2,2,6, 6-tetramethyl-4-piperidinyl) bis(tridecyl)ester, 1,2,3,4-butanetetracarboxylic acid bis(1,2,2,6,6-penta 4-piperidinyl) bis(tridecyl)ester, 2-butyl-2-(3,5-di-t-butyl-4-hydroxybenzyl)malonic acid bis (1 ,2,2,6,6-pentamethyl-4-piperidinyl), 1-(2-hydroxyethyl)-2,2,6,6-tetramethyl-4-piperidinol/butyl Diethyl diacrylate polycondensate, 1,6-bis(2,2,6,6-tetramethyl-4-piperidinyl)hexane/2,4-dichloro-6- Olinyl-uniform Polycondensate, 1,6-bis(2,2,6,6-tetramethyl-4-piperidinyl)hexane/2,4-dichloro-6-th-octylamino-- three Polycondensate, 1,5,8,12-tetra[2,4-bis(N-butyl-N-(2,2,6,6-tetramethyl-4-piperidyl)amino)- Three -6-yl]-1,5,8,12-tetraazadodecane, 1,5,8,12-tetra[2,4-bis(N-butyl-N-(1,2,2) ,6,6-pentamethyl-4-piperidinyl)amino)-all three -6-yl]-1,5,8,12-tetraazadodecane, 1,6,11-tri[2,4-bis(N-butyl-N-(2,2,6,6) -tetramethyl-4-piperidinyl)amino)--three -6-yl]aminoundecane, 1,6,11-tri[2,4-bis(N-butyl-N-(1,2,2,6,6-pentamethyl-4-piperidin) Pyridyl)amino)-all A hindered amine compound such as -6-yl]aminoundecane or the like. These may also be used in mixture of 2 or more types.
再者，尤其藉由混合使用紫外線吸收劑及光穩定劑，可進一步防止樹脂成分之劣化，但亦可分別單獨使用。 Further, in particular, by using an ultraviolet absorber and a light stabilizer in combination, deterioration of the resin component can be further prevented, but they may be used alone.
並且，若選自紫外線吸收劑及光穩定劑之群中之至少一種以上之調配量以外組成計少於0.01質量%(0.01質量份)，則於在室外或光源附近使用成形體之情形時，有經過長時間後，成形體表面產生由光所導致之劣化，而產生變色及反射率之降低之虞，若以外組成計多於5質量%(5質量份)，則有因耐候劑向成形體表面滲出，而產生表面外觀及反射率之降低之虞，故而於上述範圍內進行調配。 In addition, when the composition is at least 0.01% by mass (0.01 parts by mass) in addition to the compounding amount of at least one selected from the group consisting of the ultraviolet absorber and the light stabilizer, when the molded article is used outdoors or near the light source, After a long period of time, the surface of the molded body is deteriorated by light, and the discoloration and the reflectance are lowered. If the composition is more than 5% by mass (5 parts by mass), the weathering agent may be formed. The surface of the body bleeds out, and the surface appearance and the reflectance are lowered. Therefore, the surface is blended within the above range.
於本發明之阻燃性之樹脂組合物中，亦可進而含有酚系抗氧化 劑或磷系抗氧化劑或硫系抗氧化劑等抗氧化劑、潤滑劑、軟化劑、結晶成核劑、抗靜電劑、填充劑等添加劑。 The flame retardant resin composition of the present invention may further contain a phenolic antioxidant An additive such as an antioxidant such as a phosphorus-based antioxidant or a sulfur-based antioxidant, a lubricant, a softener, a crystallization nucleating agent, an antistatic agent, or a filler.
並且，樹脂組合物係例如將各原料進行熔融混練，利用製粒機(pelletizer)製備為顆粒。使製成顆粒之樹脂組合物成形為特定之形狀，或者使其成形為片狀，並積層於預先所成形之基體之表面，或者將樹脂組合物與其他樹脂共擠出而形成包含至少1層以上樹脂組合物之層之積層結構體，並使該積層結構體成形，而形成反射體。 Further, the resin composition is, for example, melt-kneaded each raw material, and is prepared into pellets by a pelletizer. The pelletized resin composition is shaped into a specific shape or formed into a sheet shape and laminated on the surface of the previously formed substrate, or the resin composition is coextruded with other resins to form at least one layer. The laminated structure of the layer of the above resin composition is formed into a layered body to form a reflector.
其次，基於實施例進而具體地說明本發明。 Next, the present invention will be specifically described based on examples.
再者，本發明並不受以下之實施例及比較例限制。 Further, the present invention is not limited by the following examples and comparative examples.
用於以下之實施例及比較例之原料係如下所示。 The raw materials used in the following examples and comparative examples are as follows.
．聚丙烯系樹脂(以下稱為PP)：E-185G(商品名，PrimePolymer股份有限公司製造，密度=0.910g/cm3，230℃下之熔融流動速率=0.3g/10min) . Polypropylene resin (hereinafter referred to as PP): E-185G (trade name, manufactured by Prime Polymer Co., Ltd., density = 0.910 g/cm 3 , melt flow rate at 230 ° C = 0.3 g/10 min)
．聚乙烯系樹脂(以下稱為PE)：5305E(商品名，PrimePolymer股份有限公司製造，密度=0.951g/cm3，190℃下之熔融流動速率=0.8g/10min) . Polyethylene resin (hereinafter referred to as PE): 5305E (trade name, manufactured by Prime Polymer Co., Ltd., density = 0.951 g/cm 3 , melt flow rate at 190 ° C = 0.8 g/10 min)
．阻燃劑-A：Saytex BT-93(商品名，Albemarle日本股份有限公司製造)(伸乙基雙四溴鄰苯二甲醯亞胺) . Flame Retardant-A: Saytex BT-93 (trade name, manufactured by Albemarle Japan Co., Ltd.) (extended ethyl bis-tetrabromo-phthalimide)
．阻燃劑-B：Adekastab FP2100J(商品名，ADEKA股份有限公司製造)(磷酸鹽化合物) . Flame Retardant-B: Adekastab FP2100J (trade name, manufactured by ADEKA Co., Ltd.) (phosphate compound)
．阻燃劑-C：Kisuma 5A(商品名，協和化學工業股份有限公司製造)(氫氧化鎂) . Flame Retardant-C: Kisuma 5A (trade name, manufactured by Kyowa Chemical Industry Co., Ltd.) (magnesium hydroxide)
．阻燃劑-D：XZ-6800(商品名，壽光市海洋化工有限公司製造)(2,2'-雙[4-(2,3-(二溴丙氧基))-3,5-二溴苯基]丙烷]) . Flame Retardant-D: XZ-6800 (trade name, manufactured by Shouguang Marine Chemical Co., Ltd.) (2,2'-bis[4-(2,3-(dibromopropyloxy))-3,5-di Bromophenyl]propane])
．阻燃劑-E：Framecut 120G(商品名，Tosoh股份有限公司製造)(四溴雙酚-A) . Flame Retardant-E: Framecut 120G (trade name, manufactured by Tosoh Co., Ltd.) (tetrabromobisphenol-A)
．阻燃劑-F：Fire Guard 3600(商品名，帝人化成股份有限公司製造)(四溴雙酚-A二縮水甘油醚) . Flame Retardant-F: Fire Guard 3600 (trade name, manufactured by Teijin Chemicals Co., Ltd.) (tetrabromobisphenol-A diglycidyl ether)
．阻燃助劑：三氧化二銻FCP-AT3(商品名，鈴裕化學股份有限公司製造) . Flame retardant additive: antimony trioxide FCP-AT3 (trade name, manufactured by Ryuyu Chemical Co., Ltd.)
．二氧化鈦：PF-690(商品名，石原產業股份有限公司製造) . Titanium dioxide: PF-690 (trade name, manufactured by Ishihara Sangyo Co., Ltd.)
．紫外線吸收劑；KEMISORB 114(商品名，Chemipro Kasei股份有限公司製造) . UV absorber; KEMISORB 114 (trade name, manufactured by Chemipro Kasei Co., Ltd.)
．光穩定劑：TINUVIN XT850(商品名，BASF Japan製造) . Light stabilizer: TINUVIN XT850 (trade name, manufactured by BASF Japan)
以如下之表1所示之比率調配上述原料，使用將缸體溫度設為260℃之螺旋口徑30mm之雙軸擠出機進行熔融混練，將自模嘴所吐出之股線(strand)利用冷卻浴進行冷卻，並利用製粒機進行切斷，製備經顆粒化之樹脂組合物。 The raw materials were blended at a ratio shown in Table 1 below, and melt-kneaded using a twin-screw extruder having a cylinder diameter of 260 ° C and a screw diameter of 30 mm, and the strands discharged from the nozzles were cooled. The bath was cooled, and cut with a granulator to prepare a granulated resin composition.
使用以表1所示之組成所製備之顆粒，利用射出成形機，於缸體溫度210℃、模具溫度50℃之成形條件下，製作平板(80×80mm、厚度：3.2mm)、與燃燒試片(127mm×12.7mm、厚度：3.2mm)。 Using the pellets prepared in the composition shown in Table 1, a flat plate (80 × 80 mm, thickness: 3.2 mm) and a burning test were produced by an injection molding machine under the molding conditions of a cylinder temperature of 210 ° C and a mold temperature of 50 ° C. Sheet (127 mm × 12.7 mm, thickness: 3.2 mm).
又，使用以表1所示之組成所製備之顆粒，利用螺旋口徑65mm之片材擠出機，於缸體溫度230℃、賦形輥溫度60℃之成形條件下製作片材(厚度1.0mm)。 Further, using the pellets prepared in the composition shown in Table 1, a sheet extruder having a screw diameter of 65 mm was used, and a sheet (thickness: 1.0 mm) was produced under the molding conditions of a cylinder temperature of 230 ° C and a forming roller temperature of 60 ° C. ).
對各組成之試片評價阻燃性、反射率、耐候性、賦形性。 The test piece of each composition was evaluated for flame retardancy, reflectance, weather resistance, and formability.
阻燃性係以依據JIS K6911 A法之方法進行評價。 The flame retardancy was evaluated in accordance with the method of JIS K6911 A.
具體而言，將以上述方法所製作之燃燒試片作為試樣，將火焰之高度設為25mm，使火焰以30°傾斜之狀態接觸於試片30秒後，將燃燒180秒以上之情形判定為可燃性。將於180秒以內熄滅，且燃燒距離超過25mm且為100mm以下之情形判定為自熄性。將於180秒以內熄滅，且燃燒距離為25mm以下之情形判定為不燃性。 Specifically, the test piece produced by the above method was used as a sample, and the height of the flame was set to 25 mm, and the flame was brought into contact with the test piece for 30 seconds in a state of being inclined at 30°, and then the combustion was judged for 180 seconds or longer. It is flammable. It is extinguished within 180 seconds, and the combustion distance is more than 25 mm and is 100 mm or less, and it is judged to be self-extinguishing. It is extinguished within 180 seconds, and the combustion distance is 25 mm or less, and it is judged to be incombustible.
將其結果示於表1。 The results are shown in Table 1.
將以上述方法所製作之平板作為反射率測定用試樣，反射率係使用分光光度計(GRETAGMACBETH公司製造，商品名COLOR-Eye 7000A)，藉由D65光源，於10度視野之條件下進行測定。 The flat plate produced by the above method was used as a sample for reflectance measurement, and the reflectance was measured by a D65 light source using a spectrophotometer (trade name: COLOR-Eye 7000A, manufactured by GRETAGMACBETH Co., Ltd.) under a visual field of 10 degrees. .
將其結果示於表1。 The results are shown in Table 1.
將以上述方法所製作之平板作為耐候性測定用試樣，使用依據JIS B7753之耐候試驗機，於後面板(back panel)溫度63℃、降雨12min/60min之條件下進行2000小時耐候促進劣化處理，對於該耐候促進劣化處理後之平板，使用上述分光光度計測定反射率。 The flat plate produced by the above method was used as a sample for weather resistance measurement, and subjected to a weather resistance tester according to JIS B7753, and subjected to a back panel temperature of 63 ° C and a rainfall of 12 min / 60 min for 2000 hours of weathering-resistant deterioration treatment. The reflectance of the flat plate after the weathering-promoting deterioration treatment was measured using the above spectrophotometer.
進而，對於耐候促進劣化處理後之平板、與未實施耐候促進劣化處理之未處理之平板，測定色差△(Delta)E*(Suga Test Instruments股份有限公司製造，商品名SM Color Computer SM45，條件：光源2度視野)。 Furthermore, the color difference Δ(Delta) E * (manufactured by Suga Test Instruments Co., Ltd., trade name SM Color Computer SM45) was measured for the flat plate after the weather-resistant deterioration treatment and the untreated flat plate not subjected to the weather-resistant deterioration treatment. The light source has a 2 degree field of view).
將結果示於以下之表1。 The results are shown in Table 1 below.
使用以上述方法所製作之片材及顆粒，測定垂伸性、熔融張力，藉此對將片材進行二次加工時，成為指標之真空成形等熱成形時之賦形性進行評價。 When the sheet and the pellets produced by the above-described method were used, the drawability and the melt tension were measured, and when the sheet was subjected to secondary processing, the formability at the time of hot forming such as vacuum forming as an index was evaluated.
垂伸性係將以上述方法所獲得之片材加工為330mm×330mm， 對在450℃下間接加熱30秒時之下垂量進行測定，而作為垂伸性之評價。基於以上述方法所獲得之下垂量，利用以下之基準判定垂伸性。 The drawdown system processes the sheet obtained by the above method into 330 mm × 330 mm. The amount of sag was measured by indirect heating at 450 ° C for 30 seconds, and was evaluated as the drawability. Based on the sag obtained by the above method, the drawdown was determined using the following criteria.
A：下垂量為20mm以下之情形 A: The case where the amount of sag is 20 mm or less
B：下垂量超過20mm之情形 B: The case where the sag amount exceeds 20 mm
又，熔融張力(單位：mN)係使用毛細管流變儀(capillary rheometer)(東洋精機製作所(股)製造)，將加熱至230℃而熔融之試樣以速度成為30mm/min之方式，自直徑1mm之噴嘴擠出至23℃之大氣中，測定將所獲得之股線以6m/min之速度進行拉取時之張力。 In addition, the melt tension (unit: mN) is a capillary rheometer (manufactured by Toyo Seiki Seisakusho Co., Ltd.), and the sample heated to 230 ° C is melted at a speed of 30 mm/min. A 1 mm nozzle was extruded into an atmosphere of 23 ° C, and the tension when the obtained strand was pulled at a speed of 6 m/min was measured.
將以上述評法所獲得之熔融張力利用以下之基準進行判定。 The melt tension obtained by the above evaluation was judged by the following criteria.
A：熔融張力為30mN以上之情形 A: The case where the melt tension is 30 mN or more
B：熔融張力未達30mN之情形 B: The case where the melt tension is less than 30 mN
將結果示於以下之表1。 The results are shown in Table 1 below.
由上述表1所示之結果可知，本發明之實施例與比較例相比，具有抑制燃燒性之不燃性或自熄性並且反射率優異，進而於耐候促進處理中，亦明顯地抑制經過長時間後之反射率及色相之降低，作為片材之二次加工性之熱成形性亦優異。 As is apparent from the results shown in the above Table 1, the examples of the present invention have incombustibility or self-extinguishing property against flammability and excellent reflectance as compared with the comparative example, and in the weathering-promoting treatment, the elongation is also remarkably suppressed. The reflectance after the time and the decrease in the hue are also excellent as the thermoformability of the secondary workability of the sheet.
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| JP2013024694A JP6093586B2 (en) | 2013-02-12 | 2013-02-12 | Resin composition, molded body, laminated structure, reflector, and lighting device |
| JP2013-024694 | 2013-02-12 |
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| JP2009292864A (en) * | 2008-06-02 | 2009-12-17 | Taihei Kagaku Seihin Kk | Resin composition for reflector of lighting fixture, method for manufacturing sheet-like reflector of lighting fixture, sheet-like reflector of lighting fixture, method for manufacturing shaped reflector of lighting fixture, and shaped reflector of lighting fixture |
| JP2012041511A (en) * | 2010-08-23 | 2012-03-01 | Toray Ind Inc | Reflecting member for lighting fixture |
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| JPH1053661A (en) * | 1996-08-09 | 1998-02-24 | Sekisui Chem Co Ltd | Flame retardant polyolefin-based resin foam |
| JP2001220470A (en) * | 2000-02-07 | 2001-08-14 | Bando Chem Ind Ltd | Flame-retardant polyolefin resin composition and film made therefrom |
| KR100944388B1 (en) * | 2008-03-21 | 2010-02-26 | 제일모직주식회사 | Thermoplastic Resin Composition with Improved Compatibility |
| JP5405888B2 (en) * | 2009-04-28 | 2014-02-05 | 第一工業製薬株式会社 | Flame retardant foamed styrene resin composition |
| JP5174252B1 (en) * | 2012-01-27 | 2013-04-03 | 出光ライオンコンポジット株式会社 | Flame-retardant resin composition, molded body, and laminated structure |
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| JP2009292864A (en) * | 2008-06-02 | 2009-12-17 | Taihei Kagaku Seihin Kk | Resin composition for reflector of lighting fixture, method for manufacturing sheet-like reflector of lighting fixture, sheet-like reflector of lighting fixture, method for manufacturing shaped reflector of lighting fixture, and shaped reflector of lighting fixture |
| JP2012041511A (en) * | 2010-08-23 | 2012-03-01 | Toray Ind Inc | Reflecting member for lighting fixture |
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| JP6093586B2 (en) | 2017-03-08 |
| TW201434892A (en) | 2014-09-16 |
| JP2014152293A (en) | 2014-08-25 |
| WO2014125932A1 (en) | 2014-08-21 |
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