JP2006299598A - Lightfast flooring material - Google Patents

Lightfast flooring material Download PDF

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JP2006299598A
JP2006299598A JP2005120880A JP2005120880A JP2006299598A JP 2006299598 A JP2006299598 A JP 2006299598A JP 2005120880 A JP2005120880 A JP 2005120880A JP 2005120880 A JP2005120880 A JP 2005120880A JP 2006299598 A JP2006299598 A JP 2006299598A
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Prior art keywords
vinyl chloride
flooring material
chloride resin
layer
plasticizer
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Japanese (ja)
Inventor
Akira Shimizu
昭 清水
Masayasu Ito
正庸 伊藤
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Tajima Inc
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Tajima Inc
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a new lightfast flooring material which is hardly yellowed even if a surface layer is transparent. <P>SOLUTION: This flooring material containing a polyvinyl chloride resin layer is characterized by having a transparent polyvinyl chloride resin surface layer using an alkylsulfonic ester as a plasticizer. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、紫外線による黄変がない新規な耐光性床材を提供する点にある。   The present invention is to provide a novel light-resistant flooring which is not yellowed by ultraviolet rays.

塩化ビニル系樹脂には、通常樹脂の溶融温度を下げた成形加工を容易にし、併せて成形品に柔軟性を与えるため可塑剤が広く用いられている。この可塑剤のなかでもフタル酸エステル系可塑剤は、その耐揮発性、耐寒性および可塑化効率に優れていることもあって、塩化ビニル系樹脂には必ず含まれていると考えてもよいほど広く普及している可塑剤である。   For vinyl chloride resins, plasticizers are widely used in order to facilitate the molding process by lowering the melting temperature of the resin and to give the molded article flexibility. Among these plasticizers, the phthalate ester plasticizer may be considered to be necessarily contained in the vinyl chloride resin because it has excellent volatility resistance, cold resistance and plasticization efficiency. It is a widely used plasticizer.

例えば、特許文献1にも、塩化ビニル系樹脂のフロアシート中にジオクチルフタレートなどの可塑剤が用いられている。   For example, Patent Document 1 also uses a plasticizer such as dioctyl phthalate in a vinyl chloride resin floor sheet.

透明な塩化ビニル系樹脂は、直射日光に当る部分が黄変して性能が低下することはよく知られている(着色しておけば、顔料着色効果で紫外線が通りにくく、変色しにくい)が、さらに塩化ビニル系樹脂の床材を使用した室内には不快な臭いも発生することがあると言われている。   It is well known that transparent vinyl chloride resin is yellowed when exposed to direct sunlight, resulting in poor performance (if colored, it is difficult for ultraviolet rays to pass through the pigmentation effect and discoloration). Furthermore, it is said that an unpleasant odor may also be generated in a room using a vinyl chloride resin flooring.

特開平5−51879号公報Japanese Patent Laid-Open No. 5-51879

本発明の目的は、表面層が透明であっても黄変がほとんど発生しない新規な耐光性床材を提供する点にある。   An object of the present invention is to provide a novel light-resistant flooring that hardly causes yellowing even when the surface layer is transparent.

本発明は、床材における最上層に、可塑剤としてフタル酸エステルを用いないでアルキルスルホン酸エステルを用いた点にある。   The present invention resides in that an alkylsulfonic acid ester is used as the plasticizer in the uppermost layer of the flooring material without using a phthalic acid ester.

すなわち、本発明は、可塑剤としてアルキルスルホン酸エステルを用いた透明塩化ビニル系樹脂表面層を有することを特徴とする塩化ビニル系樹脂層含有床材に関する。   That is, the present invention relates to a vinyl chloride resin layer-containing flooring material having a transparent vinyl chloride resin surface layer using an alkyl sulfonate ester as a plasticizer.

前記透明塩化ビニル系樹脂表面層に使用されるアルキルスルホン酸エステルの使用量としては、樹脂100重量部に対して20〜100重量部、好ましくは30〜80重量部である。20重量部を下廻ると床材が硬すぎて施工性に欠け、100重量部を上廻ると軟らかくなりすぎて強度などが劣る。   The amount of alkyl sulfonate used in the transparent vinyl chloride resin surface layer is 20 to 100 parts by weight, preferably 30 to 80 parts by weight, based on 100 parts by weight of the resin. If it is less than 20 parts by weight, the flooring material is too hard and lacks workability, and if it exceeds 100 parts by weight, it becomes too soft and the strength is poor.

可塑剤としてアルキルスルホン酸エステルを用いた透明塩化ビニル系樹脂表面層を有する塩化ビニル系樹脂床材において、樹脂層の下には場合により建材の接着性を向上させるため繊維層を設けてもよい。繊維層としては、寒冷紗などの織物のほか、不織布であってもよい。   In a vinyl chloride resin flooring material having a transparent vinyl chloride resin surface layer using an alkyl sulfonate ester as a plasticizer, a fiber layer may be provided under the resin layer to improve the adhesiveness of building materials in some cases. . The fiber layer may be a nonwoven fabric as well as a woven fabric such as a cold koji.

また、前記「可塑剤としてアルキルスルホン酸エステルを用いた透明塩化ビニル系樹脂表面層」のさらに上には、紫外線防止用塗料層を設けることもできる。たとえば紫外線防止剤を含有する透明なアクリル樹脂系塗料やポリウレタン・塩化ビニル樹脂併用塗料などが用いられる。   Further, a UV-preventing paint layer may be provided on the “transparent vinyl chloride resin surface layer using an alkyl sulfonate ester as a plasticizer”. For example, a transparent acrylic resin-based paint containing an ultraviolet light preventive agent or a polyurethane / vinyl chloride resin combined paint is used.

前記塩化ビニル系樹脂としては、ポリ塩化ビニル、塩化ビニル−酢酸ビニル共重合体、塩化ビニル−酢酸ビニル−無水マレイン酸共重合体、塩化ビニル−塩化ビニリデン共重合体、塩化ビニル−(メタ)アクリル酸エステル共重合体、塩化ビニル−塩化ビニリデン−(メタ)アクリル酸エステル共重合体、塩化ビニル−オフフィン(エチレン、プロピレンなど)共重合体、塩化ビニル−スチレン共重合体などを挙げることができるが、これに限定するものではない。   Examples of the vinyl chloride resin include polyvinyl chloride, vinyl chloride-vinyl acetate copolymer, vinyl chloride-vinyl acetate-maleic anhydride copolymer, vinyl chloride-vinylidene chloride copolymer, vinyl chloride- (meth) acrylic. Examples include acid ester copolymers, vinyl chloride-vinylidene chloride- (meth) acrylic acid ester copolymers, vinyl chloride-offfin (ethylene, propylene, etc.) copolymers, vinyl chloride-styrene copolymers, and the like. However, the present invention is not limited to this.

前記アルキルスルホン酸エステルとしては、炭素数6〜44、好ましくは8〜24、とくに好ましくは10〜20の脂肪族スルホン酸と芳香族または脂肪族アルコールとのエステルであり、下記で示すことができる。

Figure 2006299598
:炭素数6〜44、好ましくは8〜24、とくに好ましくは10〜20のアルキ
ル基であり、アルキル基は直鎖または分岐のいずれでもよいがあまり長鎖の
分岐は好ましくはない。
:芳香族または脂肪族とくにアルキル基であり、芳香族基として単環または多環
であることができ、いずれもアルキル基またはアルコール基を置換基としても
つことができるが、とくに単環の芳香族基が好ましい。
一層具体的好ましい化合物として、下記式
Figure 2006299598
(式中、RはH、CH、C、OCH、OCよりなる群から選ばれた基であり、nは10〜20から選ばれた整数である)
で示すことができる。 The alkylsulfonic acid ester is an ester of an aliphatic sulfonic acid having 6 to 44 carbon atoms, preferably 8 to 24 carbon atoms, particularly preferably 10 to 20 carbon atoms, and an aromatic or aliphatic alcohol, and can be shown below. .
Figure 2006299598
R 1 : Alkyl having 6 to 44 carbon atoms, preferably 8 to 24, particularly preferably 10 to 20 carbon atoms
The alkyl group may be either linear or branched, but it is too long
Branching is not preferred.
R 2 : aromatic or aliphatic, especially an alkyl group, monocyclic or polycyclic as the aromatic group
In any case, an alkyl group or an alcohol group can be used as a substituent.
In particular, monocyclic aromatic groups are preferred.
As a more specific and preferred compound, the following formula
Figure 2006299598
(Wherein R 3 is a group selected from the group consisting of H, CH 3 , C 2 H 5 , OCH 3 , OC 2 H 5 , and n is an integer selected from 10 to 20)
Can be shown.

本発明により、紫外線による黄変が少ない新規な耐光性床材を提供することができた。   According to the present invention, it was possible to provide a novel light-resistant flooring material that hardly causes yellowing due to ultraviolet rays.

以下に実施例と比較例を挙げて本発明を説明するが、本発明はこれにより何ら限定されるものではない。   Hereinafter, the present invention will be described with reference to examples and comparative examples, but the present invention is not limited thereto.

実施例1、比較例1〜6
まず、塩化ビニル系樹脂に、本発明の可塑剤を使用したケースのほか、従来から用いられていた各種可塑剤を用いた場合に、それぞれの耐光性について調査を行った。
Example 1 and Comparative Examples 1-6
First, in addition to the case where the plasticizer of the present invention was used as the vinyl chloride resin, various types of conventionally used plasticizers were investigated for light resistance.

各比較例、実施例の組成は表1に示す。

Figure 2006299598
PVC:ストレートタイプのPVC、重合度1300
DIDP:ジ(イソデシル)フタレート
DOP:ジ(2−チルヘキシル)フタレート
DINP:ジ(イソノニル)フタレート
DUP:ジ(ウンデシル)フタレート
TME:トリメリット酸エステル系可塑剤
PMR:ポリメリック系可塑剤
アルキルスルホン酸エステル:本発明で用いる下記構造式のフェニルスルホン酸
n−ペンタデカンエステル
Figure 2006299598
安定剤1:亜鉛系複合剤
安定剤2:亜燐酸エステル系複合剤
紫外線吸収剤:2−(2′−ヒドロキシ−5′−メチルフェニル)ベンゾトリア
ゾール
表中の数字は、いずれも重量部を示す。 The composition of each comparative example and example is shown in Table 1.
Figure 2006299598
PVC: straight type PVC, polymerization degree 1300
DIDP: di (isodecyl) phthalate DOP: di (2-tilhexyl) phthalate DINP: di (isononyl) phthalate DUP: di (undecyl) phthalate TME: trimellitic acid ester plasticizer PMR: polymeric plasticizer alkyl sulfonate ester: Phenylsulfonic acid having the following structural formula used in the present invention
n-Pentadecane ester
Figure 2006299598
Stabilizer 1: Zinc-based composite stabilizer Stabilizer 2: Phosphite-based composite agent UV absorber: 2- (2'-hydroxy-5'-methylphenyl) benzotria
Zole All numbers in the table indicate parts by weight.

前記各組成物を、テストロールにて混練し、厚さ0.5mmのシートを作成した。このシートをJIS K7350Bに準拠して褪色性の試験を行い、その着色の程度をJIS Z8730(1980)に従い、L表色系の色差(ΔE)を求め、これにより変色の程度を対比した。

Figure 2006299598
は明度にあたるものであり、aとbはクロマティクネス指数で
ある。
その結果を表2に示す。
Figure 2006299598
Each composition was kneaded with a test roll to prepare a sheet having a thickness of 0.5 mm. This sheet was subjected to a fading test in accordance with JIS K7350B, and the degree of coloring was determined according to JIS Z8730 (1980) to determine the color difference (ΔE * ) of the L * a * b * color system. Contrast the degree.
Figure 2006299598
L * is the lightness, a * and b * are the chromaticness index
is there.
The results are shown in Table 2.
Figure 2006299598

実施例2および比較例7
実施例2と比較例7は、樹脂組成物における可塑剤の点のみで相違する以外は、すべての点で同一である。
(1)床材の層構成
第1層:透明樹脂フィルム(膜厚0.5mm)
第2層:着色中間樹脂シート(膜厚0.5mm)
第3層:下層樹脂シート(膜厚1.0mm)
(2)各層の構成
表3に示す。

Figure 2006299598
*1:塩化ビニル系樹脂としては、ストレートPVC(サスペンジョンタイプ)
、重合度 1000のものを使用
*2:アルキルスルホン酸エステルは、
Figure 2006299598
*3:安定剤は、亜鉛系複合剤
亜燐酸エステル系複合剤
*4:紫外線吸収剤は、2−(2′−ヒドロキシ−5′−メチルフェニル)
ベンゾトリアゾール
(3)上記床材の耐光性
耐光性試験条件
温度:45℃、UV照射量:60mW/cm
床材を第1層の側から観察して床材の変色の程度を評価した。
Figure 2006299598
Example 2 and Comparative Example 7
Example 2 and Comparative Example 7 are the same in all respects except that they differ only in terms of the plasticizer in the resin composition.
(1) Layer structure of flooring material First layer: Transparent resin film (film thickness 0.5 mm)
Second layer: colored intermediate resin sheet (film thickness 0.5 mm)
Third layer: Lower layer resin sheet (film thickness 1.0 mm)
(2) Configuration of each layer Table 3 shows.
Figure 2006299598
* 1: As PVC resin, straight PVC (suspension type)
, With a polymerization degree of 1000 * 2: Alkyl sulfonic acid ester is
Figure 2006299598
* 3: Stabilizer is zinc complex
Phosphite complex * 4: UV absorber is 2- (2'-hydroxy-5'-methylphenyl)
Benzotriazole (3) Light resistance of the above flooring Light resistance test conditions Temperature: 45 ° C., UV irradiation amount: 60 mW / cm 2
The flooring was observed from the first layer side to evaluate the degree of discoloration of the flooring.
Figure 2006299598

Claims (1)

可塑剤としてアルキルスルホン酸エステルを用いた透明塩化ビニル系樹脂表面層を有することを特徴とする塩化ビニル系樹脂層含有床材。
A flooring material containing a vinyl chloride resin layer, comprising a transparent vinyl chloride resin surface layer using an alkyl sulfonate as a plasticizer.
JP2005120880A 2005-04-19 2005-04-19 Lightfast flooring material Pending JP2006299598A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014000723A (en) * 2012-06-19 2014-01-09 Tajima Inc Floor sheet
JP2018062181A (en) * 2018-01-12 2018-04-19 ロンシール工業株式会社 Low smoking polyvinyl chloride-based sheet

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104059A (en) * 1980-01-05 1981-08-19 Dynamit Nobel Ag Multilayer sealing beltlike article using soft pvc as substrate and its manufacture
JPH056121Y2 (en) * 1988-09-07 1993-02-17
JPH05230310A (en) * 1991-02-04 1993-09-07 Sumitomo Electric Ind Ltd Polyvinyl chloride resin composition and electric wire tape
JP2000508264A (en) * 1996-04-18 2000-07-04 ウポフロール オサケユイチア Semi-conductive floor covering
JP2001239638A (en) * 2000-03-01 2001-09-04 Achilles Corp Decorative material for floor
JP2002138180A (en) * 2000-11-01 2002-05-14 Asahi Denka Kogyo Kk Vinyl chloride resin plasisol composition
JP2003020414A (en) * 2001-07-06 2003-01-24 Katsuta Kako Kk Halogen-containing resin composition
JP2004131674A (en) * 2002-10-08 2004-04-30 Katsuta Kako Kk Vinyl chloride resin composition
JP2005048106A (en) * 2003-07-30 2005-02-24 Asahi Denka Kogyo Kk Vinyl chloride-based resin composition
JP2005054187A (en) * 2003-08-07 2005-03-03 Oxeno Olefinchemie Gmbh Foamable composition for producing foamed article, its use, method for producing article having foamed polymer layer, and article

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104059A (en) * 1980-01-05 1981-08-19 Dynamit Nobel Ag Multilayer sealing beltlike article using soft pvc as substrate and its manufacture
JPH056121Y2 (en) * 1988-09-07 1993-02-17
JPH05230310A (en) * 1991-02-04 1993-09-07 Sumitomo Electric Ind Ltd Polyvinyl chloride resin composition and electric wire tape
JP2000508264A (en) * 1996-04-18 2000-07-04 ウポフロール オサケユイチア Semi-conductive floor covering
JP2001239638A (en) * 2000-03-01 2001-09-04 Achilles Corp Decorative material for floor
JP2002138180A (en) * 2000-11-01 2002-05-14 Asahi Denka Kogyo Kk Vinyl chloride resin plasisol composition
JP2003020414A (en) * 2001-07-06 2003-01-24 Katsuta Kako Kk Halogen-containing resin composition
JP2004131674A (en) * 2002-10-08 2004-04-30 Katsuta Kako Kk Vinyl chloride resin composition
JP2005048106A (en) * 2003-07-30 2005-02-24 Asahi Denka Kogyo Kk Vinyl chloride-based resin composition
JP2005054187A (en) * 2003-08-07 2005-03-03 Oxeno Olefinchemie Gmbh Foamable composition for producing foamed article, its use, method for producing article having foamed polymer layer, and article

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014000723A (en) * 2012-06-19 2014-01-09 Tajima Inc Floor sheet
JP2018062181A (en) * 2018-01-12 2018-04-19 ロンシール工業株式会社 Low smoking polyvinyl chloride-based sheet

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