JP2014009297A - Plasticizer for cellulose acetate - Google Patents
Plasticizer for cellulose acetate Download PDFInfo
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- JP2014009297A JP2014009297A JP2012147123A JP2012147123A JP2014009297A JP 2014009297 A JP2014009297 A JP 2014009297A JP 2012147123 A JP2012147123 A JP 2012147123A JP 2012147123 A JP2012147123 A JP 2012147123A JP 2014009297 A JP2014009297 A JP 2014009297A
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- 229920002301 cellulose acetate Polymers 0.000 title claims abstract description 37
- 239000004014 plasticizer Substances 0.000 title claims abstract description 24
- -1 ester compound Chemical class 0.000 claims abstract description 25
- 229910019142 PO4 Inorganic materials 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 19
- 239000010452 phosphate Substances 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 6
- 238000004898 kneading Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005992 thermoplastic resin Polymers 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 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 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000012765 fibrous filler Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
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Abstract
Description
本発明は、酢酸セルロース用可塑剤とそれを含む酢酸セルロース組成物に関する。 The present invention relates to a plasticizer for cellulose acetate and a cellulose acetate composition containing the same.
酢酸セルロースは熱可塑性に乏しいため、通常は可塑剤を含む組成物として使用されている。
特許文献１は、脂肪酸セルロースエステル系樹脂組成物に関する発明であり、公知の可塑剤を配合できることが記載されている（段落番号００２３）。
特許文献２は、平均置換度２．７以下のセルロースエステル、可塑剤及び充填剤で構成された樹脂組成物に関する発明である。可塑剤としては、リン酸エステル等を使用できることが記載されている（段落番号００２０）。
Since cellulose acetate is poor in thermoplasticity, it is usually used as a composition containing a plasticizer.
Patent Document 1 is an invention relating to a fatty acid cellulose ester-based resin composition, and describes that a known plasticizer can be blended (paragraph number 0023).
Patent Document 2 is an invention relating to a resin composition composed of a cellulose ester having an average substitution degree of 2.7 or less, a plasticizer, and a filler. As a plasticizer, it is described that phosphate ester etc. can be used (paragraph number 0020).
特許文献３には、特定構造のリン酸エステルが熱可塑性樹脂の難燃剤や可塑剤として使用できることが記載されている。
特許文献４には、特定構造のリン酸エステルが熱可塑性樹脂の難燃剤として使用できることが記載されている。
Patent Document 3 describes that a phosphate ester having a specific structure can be used as a flame retardant or plasticizer for a thermoplastic resin.
Patent Document 4 describes that a phosphate having a specific structure can be used as a flame retardant for a thermoplastic resin.
本発明は、酢酸セルロース用可塑剤と、それを含む熱可塑性酢酸セルロース組成物を提供することを課題とする。 An object of the present invention is to provide a plasticizer for cellulose acetate and a thermoplastic cellulose acetate composition containing the same.
本発明は、下記において定義される三角形領域に含まれ、さらに５％質量減少温度が２４０℃以上であるリン酸エステル化合物を含む酢酸セルロース用可塑剤を提供する。
〔三角形領域〕
縦軸をリン酸エステル化合物のＳＰ値、横軸をリン酸エステル化合物の分子量とするグラフを作成したとき、
分子量２００を示す直線、
式(I)で定義される直線、
式(II)で定義される直線、
の３つの直線から囲まれる三角形領域。
ＳＰ＝−9.38×FW×10-3＋28.52 （I）
ＳＰ＝9.38×FW×10-3＋16.93 （II）
The present invention provides a plasticizer for cellulose acetate, which is contained in a triangular region defined below and further contains a phosphate ester compound having a 5% mass reduction temperature of 240 ° C. or higher.
[Triangle area]
When creating a graph in which the vertical axis represents the SP value of the phosphate ester compound and the horizontal axis represents the molecular weight of the phosphate ester compound,
A straight line showing a molecular weight of 200,
A straight line defined by formula (I),
A straight line defined by formula (II),
A triangular area surrounded by three straight lines.
SP = −9.38 × FW × 10 −3 +28.52 (I)
SP = 9.38 x FW x 10 -3 +16.93 (II)
さらに本発明は、（Ａ）酢酸セルロース１００質量部に対して、（Ｂ）請求項１記載の酢酸セルロース用可塑剤１〜５０質量部を含有する酢酸セルロース組成物を提供する。 Furthermore, this invention provides the cellulose acetate composition containing 1-50 mass parts of (B) plasticizers for cellulose acetate of Claim 1 with respect to 100 mass parts of (A) cellulose acetate.
本発明の酢酸セルロース用可塑剤を含む組成物は、射出成形・押出し成形に適した熱可塑性を有している。 The composition containing the plasticizer for cellulose acetate of the present invention has thermoplasticity suitable for injection molding / extrusion molding.
＜酢酸セルロース用可塑剤＞
本発明の酢酸セルロース用可塑剤は、下記において定義される三角形領域に含まれ、さらに５％質量減少温度が２４０℃以上であるリン酸エステル化合物を含むものである。
前記三角形領域を図１により説明する。前記三角形領域は、酢酸セルロースに添加したとき、酢酸セルロースとよく混和し、熱可塑性を高められるリン酸エステル化合物の範囲を示すものである。
前記熱可塑性のレベルは、実施例に記載の評価方法により確認できるレベルである。
<Plasticizer for cellulose acetate>
The plasticizer for cellulose acetate of the present invention is contained in a triangular region defined below, and further contains a phosphate ester compound having a 5% mass reduction temperature of 240 ° C. or higher.
The triangular area will be described with reference to FIG. The triangular region indicates a range of phosphate ester compounds that, when added to cellulose acetate, are well mixed with cellulose acetate to enhance thermoplasticity.
The thermoplastic level is a level that can be confirmed by the evaluation method described in Examples.
図１において、縦軸はリン酸エステル化合物のＳＰ値であり、横軸はリン酸エステル化合物の分子量である。
ここでＳＰ値はFedors法（R.F.Fedors,Polym. Eng. Sci., 14(2),147(1974)）により求めることができる。
In FIG. 1, the vertical axis represents the SP value of the phosphate ester compound, and the horizontal axis represents the molecular weight of the phosphate ester compound.
Here, the SP value can be obtained by the Fedors method (RFFedors, Polym. Eng. Sci., 14 (2), 147 (1974)).
直線IIIは、分子量２００を示す直線である。
分子量が２００未満であると、酢酸セルロースに対して熱可塑性を付与する効果が十分ではない。
A straight line III is a straight line indicating a molecular weight of 200.
When the molecular weight is less than 200, the effect of imparting thermoplasticity to cellulose acetate is not sufficient.
直線I（右下がりの直線）は、式(Ｉ)で定義される。
ＳＰ＝−9.38×FW×10-3＋28.52 （I）
The straight line I (straight-downward straight line) is defined by the formula (I).
SP = −9.38 × FW × 10 −3 +28.52 (I)
直線II（右上がりの直線）は、式(II)で定義される。
ＳＰ＝9.38×FW×10-3＋16.93 （II）
The straight line II (upward straight line) is defined by the formula (II).
SP = 9.38 x FW x 10 -3 +16.93 (II)
図１に示す三角形領域は、上記した直線III、直線I及び直線IIで囲まれた領域である。 A triangular region shown in FIG. 1 is a region surrounded by the straight line III, the straight line I, and the straight line II described above.
本発明の酢酸セルロース用可塑剤は、図１に示す三角形領域に含まれるリン酸エステル化合物群の内、さらに５％質量減少温度が２４０℃以上のものである。
熱分解温度が２４０℃以上であると、酢酸セルロースに添加したとき、加熱成形時（組成物ペレットの射出成形・押出し成形時）においても高い熱可塑性を維持することができる。
The plasticizer for cellulose acetate of the present invention has a 5% mass reduction temperature of 240 ° C. or higher among the phosphate ester compound group included in the triangular region shown in FIG.
When the pyrolysis temperature is 240 ° C. or higher, high thermoplasticity can be maintained even during heat molding (injection molding / extrusion molding of composition pellets) when added to cellulose acetate.
次に表１に本発明の酢酸セルロース用可塑剤に含まれるリン酸エステル化合物を示し、表２に本発明の酢酸セルロース用可塑剤に含まれないリン酸エステル化合物を示す。
表１のリン酸エステル化合物は、図１の三角形領域に含まれ、かつ５％質量減少温度が２４０℃以上のものである。
表２のリン酸エステル化合物は、図１の三角形領域に含まれないか、図１の三角形領域に含まれるが５％質量減少温度が２４０℃未満のものである。
Next, Table 1 shows the phosphate ester compounds contained in the cellulose acetate plasticizer of the present invention, and Table 2 shows the phosphate ester compounds not contained in the cellulose acetate plasticizer of the present invention.
The phosphate ester compounds of Table 1 are included in the triangular region of FIG. 1 and have a 5% mass loss temperature of 240 ° C. or higher.
The phosphate ester compounds in Table 2 are not included in the triangular region of FIG. 1 or are included in the triangular region of FIG. 1 but have a 5% mass loss temperature of less than 240 ° C.
＜酢酸セルロース組成物＞
（Ａ）成分の酢酸セルロースは、粘度平均重合度が１００〜１０００程度のものが好ましい。
（Ａ）成分の酢酸セルロースは、平均置換度が２．７以下のものが好ましい。
（Ａ）成分の酢酸セルロースのＳＰ値は、置換度により異なるものであるが、本発明では２３．０〜２６．０程度のものが好ましい。
<Cellulose acetate composition>
The component (A) cellulose acetate preferably has a viscosity average degree of polymerization of about 100 to 1,000.
The component (A) cellulose acetate preferably has an average substitution degree of 2.7 or less.
The SP value of cellulose acetate as the component (A) varies depending on the degree of substitution. In the present invention, the SP value is preferably about 23.0 to 26.0.
本発明の組成物で用いる（Ｂ）成分の可塑剤は上記した酢酸セルロース用可塑剤である。 The plasticizer of component (B) used in the composition of the present invention is the above-described plasticizer for cellulose acetate.
本発明の組成物中の（Ａ）成分と（Ｂ）成分の含有割合は、（Ａ）成分１００質量部に対して、（Ｂ）成分が１〜５０質量部であり、好ましくは５〜３０質量部である。 The content ratio of the component (A) and the component (B) in the composition of the present invention is such that the component (B) is 1 to 50 parts by mass, preferably 5 to 30 parts per 100 parts by mass of the component (A). Part by mass.
本発明の組成物は、用途に応じて公知の熱可塑性樹脂を含有することができる。
公知の熱可塑性樹脂としては、ＡＢＳ樹脂、ＡＳ樹脂等のスチレン系樹脂、ポリカーボネート系樹脂、ポリエチレン、ポリプロピレン等のポリオレフィン系樹脂、ポリアミド６、ポリアミド６６、ポリアミド６１０、ポリアミド６１２等のポリアミド系樹脂、アクリル系樹脂、メタクリル系樹脂、ポリエステル系樹脂、ポリアセタール系樹脂、ポリフェニレンスルフィド系樹脂等を挙げることができる。
公知の熱可塑性樹脂の含有割合は、（Ａ）成分の酢酸セルロースとの合計量中、４０質量％以下が好ましく、２０質量％以下がより好ましい。
The composition of this invention can contain a well-known thermoplastic resin according to a use.
Known thermoplastic resins include styrene resins such as ABS resin and AS resin, polycarbonate resins, polyolefin resins such as polyethylene and polypropylene, polyamide resins such as polyamide 6, polyamide 66, polyamide 610, and polyamide 612, and acrylic. Resin, methacrylic resin, polyester resin, polyacetal resin, polyphenylene sulfide resin and the like.
The content ratio of the known thermoplastic resin is preferably 40% by mass or less, and more preferably 20% by mass or less, in the total amount with the cellulose acetate as the component (A).
本発明の組成物は、さらに充填剤を含有することができる。
充填剤としては、繊維状充填剤、非繊維状充填剤（粉粒状又は板状充填剤など）が含まれ、例えば、特許文献２（特開２００５−１９４３０２号公報）の段落番号００２５〜００３２に記載のものを挙げることができる。
充填剤の含有割合は、（Ａ）成分のセルロースエステル１００質量部に対して、５〜５０質量部が好ましく、より好ましくは５〜４０質量部、さらに好ましくは５〜３０質量部である。
The composition of the present invention may further contain a filler.
Examples of the filler include fibrous fillers and non-fibrous fillers (powdered or plate-like fillers). For example, in paragraphs 0025 to 0032 of Patent Document 2 (Japanese Patent Laid-Open No. 2005-194302) Mention may be made of those described.
As for the content rate of a filler, 5-50 mass parts is preferable with respect to 100 mass parts of cellulose ester of (A) component, More preferably, it is 5-40 mass parts, More preferably, it is 5-30 mass parts.
本発明の組成物は、特許文献２（特開２００５−１９４３０２号公報）の段落番号００３５〜００４２に記載のエポキシ化合物、段落番号００４３〜００５２に記載の有機酸、チオエーテル化合物、亜リン酸エステル化合物等の安定化剤を含有することができる。 The composition of the present invention includes an epoxy compound described in paragraph Nos. 0035 to 0042 of Patent Document 2 (Japanese Patent Laid-Open No. 2005-194302), an organic acid, a thioether compound, and a phosphite compound described in paragraph Nos. 0043 to 0052. And the like.
本発明の組成物は、用途に応じて、慣用の添加剤、例えば、他の安定化剤（例えば、酸化防止剤、紫外線吸収剤、熱安定剤、耐光安定剤など）、着色剤（染料、顔料など）、難燃剤、帯電防止剤、滑剤、アンチブロッキング剤、分散剤、流動化剤、ドリッピング防止剤、抗菌剤等を含んでいてもよい。 Depending on the application, the composition of the present invention may contain conventional additives such as other stabilizers (for example, antioxidants, ultraviolet absorbers, heat stabilizers, light stabilizers, etc.), colorants (dyes, Pigments, etc.), flame retardants, antistatic agents, lubricants, antiblocking agents, dispersants, fluidizing agents, anti-dripping agents, antibacterial agents and the like.
本発明の組成物は、例えば、各成分をタンブラーミキサー、ヘンシェルミキサー、リボンミキサー、ニーダーなどの混合機を用いて乾式又は湿式で混合して調製してもよい。
さらに、前記混合機で予備混合した後、一軸又は二軸押出機などの押出機で混練してペレットに調製する方法、加熱ロールやバンバリーミキサー等の混練機で溶融混練して調製する方法を適用することができる。
The composition of the present invention may be prepared by, for example, mixing each component in a dry or wet manner using a mixer such as a tumbler mixer, a Henschel mixer, a ribbon mixer, or a kneader.
Furthermore, after premixing with the mixer, a method of kneading with an extruder such as a single-screw or twin-screw extruder to prepare pellets, or a method of melting and kneading with a kneader such as a heating roll or a Banbury mixer is applied. can do.
本発明の組成物は、射出成形、押出成形、真空成形、異型成形、発泡成形、インジェクションプレス、プレス成形、ブロー成形、ガス注入成形等によって各種成形品に成形することができる。 The composition of the present invention can be molded into various molded products by injection molding, extrusion molding, vacuum molding, profile molding, foam molding, injection press, press molding, blow molding, gas injection molding and the like.
本発明の組成物は、例えば、ＯＡ・家電機器分野、電気・電子分野、通信機器分野、サニタリー分野、自動車等の輸送車両分野、家具・建材等の住宅関連分野、雑貨分野等の各パーツ、ハウジング等に使用することができる。 The composition of the present invention includes, for example, each part in the OA / home appliance field, the electrical / electronic field, the communication field, the sanitary field, the transportation vehicle field such as an automobile, the housing-related field such as furniture and building materials, the miscellaneous goods field, It can be used for a housing or the like.
実施例及び比較例
東洋精機製作所(株)製のバッチ式混練装置"ラボプラストミル"に表３に示す酢酸セルロース((株)ダイセル製L-50，粘度平均重合度180、置換度２．５，ＳＰ値２５．１)と、表１、表２に示す可塑剤から選択されたものを投入し、設定温度２１０℃、ブレードの回転数１００r/m、混練時間５分の条件で混練して各組成物を得た。なお、化合物番号ｂ−８（ＰＸ２００）とｂ−５（ＣＲ−７４１）は、大八化学工業（株）から販売されているものである。
Examples and Comparative Examples Cellulose acetate (L-50, manufactured by Daicel Corporation, viscosity average polymerization degree 180, substitution degree 2.5) shown in Table 3 in a batch-type kneading apparatus “Lab Plast Mill” manufactured by Toyo Seiki Seisakusho , SP value 25.1) and a plasticizer selected from Tables 1 and 2 were charged and kneaded under the conditions of a set temperature of 210 ° C., a blade rotation speed of 100 r / m, and a kneading time of 5 minutes. Each composition was obtained. Compound numbers b-8 (PX200) and b-5 (CR-741) are sold by Daihachi Chemical Industry Co., Ltd.
（熱可塑性）
熱可塑性は、上記条件で混練中および混練後の状態を観察して評価した。
混練物が均質な塊状になっている場合を「○」（熱可塑性あり）と表示し、混練物の一部のみ塊状になっている場合を「△」（熱可塑性不十分）と表示し、混練物が塊状になっておらず、酢酸セルロースが粉体のままである状態を「×」（熱可塑性なし）と表示した。
(Thermoplastic)
The thermoplasticity was evaluated by observing the condition during and after kneading under the above conditions.
When the kneaded material is in a homogeneous lump, “○” (with thermoplasticity) is indicated, and when only a part of the kneaded material is agglomerated, “△” (insufficient thermoplasticity) is indicated, The state in which the kneaded product was not agglomerated and the cellulose acetate remained in powder form was indicated as “x” (no thermoplasticity).
表３から明らかなとおり、図１に示す三角形領域に含まれる表１のリン酸エステル（化合物番号ａ−１〜ａ−５）を配合した酢酸セルロースは、良好な熱可塑性を示した。
一方、表３から明らかなとおり、図１に示す三角形領域に含まれない表２のリン酸エステル（化合物番号ｂ−８、ｂ−５）は、酢酸セルロースに配合して加熱混練しても熱可塑性の材料が得られず、熱可塑性を示さなかった。なお、表２に示す残りのリン酸エステルも、同様に熱可塑性を示さなかった。
As is clear from Table 3, the cellulose acetate blended with the phosphate ester (Compound Nos. A-1 to a-5) of Table 1 contained in the triangular region shown in FIG. 1 showed good thermoplasticity.
On the other hand, as is apparent from Table 3, the phosphate esters (Compound Nos. B-8 and b-5) not included in the triangular region shown in FIG. A plastic material was not obtained and did not show thermoplasticity. The remaining phosphoric acid esters shown in Table 2 also did not show thermoplasticity.
Claims (3)
〔三角形領域〕
縦軸をリン酸エステル化合物のＳＰ値、横軸をリン酸エステル化合物の分子量とするグラフを作成したとき、
分子量２００を示す直線、
式(I)で定義される直線、
式(II)で定義される直線、
の３つの直線から囲まれる三角形領域。
ＳＰ＝−9.38×FW×10-3＋28.52 （I）
ＳＰ＝9.38×FW×10-3＋16.93 （II） A plasticizer for cellulose acetate comprising a phosphate ester compound contained in a triangular region defined below and further having a 5% mass reduction temperature of 240 ° C. or higher.
[Triangle area]
When creating a graph in which the vertical axis represents the SP value of the phosphate ester compound and the horizontal axis represents the molecular weight of the phosphate ester compound,
A straight line showing a molecular weight of 200,
A straight line defined by formula (I),
A straight line defined by formula (II),
A triangular area surrounded by three straight lines.
SP = −9.38 × FW × 10 −3 +28.52 (I)
SP = 9.38 x FW x 10 -3 +16.93 (II)
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| KR20150114656A (en) * | 2014-04-02 | 2015-10-13 | (주)월드트렌드 | A Cellulose Acetate Compound Manufacturing Method and A Injection Compression Manufacturing Method Using Thereof |
| WO2018199375A1 (en) * | 2017-04-28 | 2018-11-01 | 주식회사 월드트렌드 | Method for producing ecofriendly cellulose acetate compound |
| KR20190034163A (en) | 2016-07-29 | 2019-04-01 | 가부시키가이샤 아데카 | Flame retardant composition and flame retardant synthetic resin composition |
| WO2019117049A1 (en) | 2017-12-14 | 2019-06-20 | 株式会社Adeka | Composition and fire-retardant resin composition |
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| KR20190034163A (en) | 2016-07-29 | 2019-04-01 | 가부시키가이샤 아데카 | Flame retardant composition and flame retardant synthetic resin composition |
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| KR20200096912A (en) | 2017-12-14 | 2020-08-14 | 가부시키가이샤 아데카 | Composition and flame retardant resin composition |
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