JP2005187963A - Backing material for polyvinyl chloride resin - Google Patents
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- JP2005187963A JP2005187963A JP2003428395A JP2003428395A JP2005187963A JP 2005187963 A JP2005187963 A JP 2005187963A JP 2003428395 A JP2003428395 A JP 2003428395A JP 2003428395 A JP2003428395 A JP 2003428395A JP 2005187963 A JP2005187963 A JP 2005187963A
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Abstract
Description
本発明は、ポリ塩化ビニル樹脂製の床材シート等に用いる裏打ち材に関し、特に、ポリ塩化ビニル樹脂製の表面材との接着性や寸法安定性の高い裏打ち材に関する。 The present invention relates to a backing material used for a flooring sheet made of polyvinyl chloride resin, and more particularly to a backing material having high adhesion and dimensional stability with a surface material made of polyvinyl chloride resin.
ポリ塩化ビニル樹脂（ＰＶＣ、以下、適宜「塩ビ樹脂」と称する）は安価で扱いやすく、材料特性にも優れることから、床材タイルや内装材として最も普及している。このような塩ビ樹脂製品は、一般に塩ビ樹脂製の表面材と裏打ち材との積層体からなっている。この裏打ち材は、塩ビ樹脂製品の寸法安定性を高め、温度変化に起因した伸びによる製品裁断時の裁断狂いや施工時の施工性低下を防止している。 Polyvinyl chloride resin (PVC, hereinafter referred to as “PVC resin” where appropriate) is inexpensive, easy to handle, and excellent in material properties, and is therefore most popular as a flooring tile and interior material. Such a vinyl chloride resin product is generally composed of a laminate of a vinyl resin surface material and a backing material. This backing material enhances the dimensional stability of the PVC resin product, and prevents the cutting error at the time of cutting the product due to the elongation caused by the temperature change and the deterioration of the workability at the time of construction.
このような裏打ち材としては、従来からガラスクロスに樹脂を含浸したものが用いられてきた。また、近年、ガラス繊維層と有機繊維（合成樹脂）層の２層抄合体からなるバッキング材に発泡性の塩ビ樹脂をコーティングし、製品の経時による反りを防止する技術が開発されている（例えば、特許文献１参照）。さらに、ガラス繊維とパルプ繊維を含む２層抄き合せのガラス繊維からなる裏打ち材に、塩ビ樹脂をコーティングし、塩ビ樹脂表面を平坦化する技術が開発されている（例えば、特許文献２参照）。 Conventionally, a glass cloth impregnated with a resin has been used as such a backing material. In recent years, a technology has been developed in which a foaming vinyl chloride resin is coated on a backing material composed of a two-layer composite of a glass fiber layer and an organic fiber (synthetic resin) layer to prevent warping of the product over time (for example, , See Patent Document 1). Furthermore, a technology has been developed in which a vinyl resin is coated on a backing material made of two-layered glass fibers containing glass fibers and pulp fibers to flatten the surface of the vinyl resin (for example, see Patent Document 2). .
しかしながら、ガラスクロスに樹脂を含浸したものは、生産性が低くコストが高いという問題がある。又、特許文献１、２記載の技術の場合、２層構造であるのでやはり生産性が低いという問題がある。さらに、これらの従来技術の場合、寸法安定性が不充分である。特に、特許文献１、２記載の技術は、裏打ち材に塩ビ樹脂をコーティングする技術であり、比較的厚肉の塩ビ樹脂製の表面材に裏打ち材を積層する場合の寸法安定性や表面材との接着性を満足させることが困難である。 However, a glass cloth impregnated with a resin has a problem of low productivity and high cost. In addition, the techniques described in Patent Documents 1 and 2 have a problem of low productivity because of the two-layer structure. Furthermore, these prior arts have insufficient dimensional stability. In particular, the techniques described in Patent Documents 1 and 2 are techniques for coating a backing material with a vinyl chloride resin, and the dimensional stability and surface material when laminating a backing material on a relatively thick vinyl resin surface material It is difficult to satisfy the adhesiveness.
そこで、本発明者らは上記の欠点を解決するために鋭意検討した結果、ガラス繊維に所定の熱溶融性樹脂繊維を混合して不織布とした裏打ち材により、生産性や寸法安定性を満足出来ることを見出し、本発明に到達した。
従って本発明の第１の目的は、生産性、寸法安定性に優れたポリ塩化ビニル樹脂用裏打ち材を提供することにある。
本発明の第２の目的は、ポリ塩化ビニル樹脂との接着性に優れたポリ塩化ビニル樹脂用裏打ち材を提供することにある。
Therefore, as a result of intensive studies to solve the above-mentioned drawbacks, the present inventors can satisfy productivity and dimensional stability by using a backing material obtained by mixing a predetermined heat-meltable resin fiber with glass fiber to form a nonwoven fabric. The present invention has been found.
Accordingly, a first object of the present invention is to provide a backing material for polyvinyl chloride resin which is excellent in productivity and dimensional stability.
A second object of the present invention is to provide a backing material for a polyvinyl chloride resin which is excellent in adhesiveness with the polyvinyl chloride resin.
本発明の上記の諸目的は、ガラス繊維と熱溶融性樹脂繊維とを主体とする米坪量２０ｇ/ｍ２以上の不織布からなり、前記ガラス繊維と前記熱溶融性樹脂繊維の合計量に対して前記ガラス繊維が３０〜７０質量％配合されているポリ塩化ビニル樹脂用裏打ち材によって達成された。 The above-mentioned objects of the present invention consist of a nonwoven fabric having a basis weight of 20 g / m 2 or more mainly composed of glass fibers and heat-meltable resin fibers, with respect to the total amount of the glass fibers and the heat-meltable resin fibers. This was achieved by a backing material for polyvinyl chloride resin containing 30 to 70% by mass of the glass fiber.
本発明のポリ塩化ビニル樹脂用裏打ち材はポリ塩化ビニル樹脂製の表面材に熱圧着されることが好ましい。 The backing material for polyvinyl chloride resin of the present invention is preferably thermocompression bonded to a surface material made of polyvinyl chloride resin.
本発明においては、ガラス繊維に所定の熱溶融性樹脂を混合して不織布とすることにより、生産性、寸法安定性に優れ、又、ポリ塩化ビニル樹脂との接着性に優れた裏打ち材が得られる。 In the present invention, a backing material excellent in productivity and dimensional stability and excellent in adhesion to polyvinyl chloride resin is obtained by mixing a predetermined hot-melt resin with glass fiber to form a nonwoven fabric. It is done.
本発明のポリ塩化ビニル樹脂用裏打ち材は、ガラス繊維と以下の熱溶融性樹脂とを主体とする不織布から構成されている。 The backing material for polyvinyl chloride resin of the present invention is composed of a nonwoven fabric mainly composed of glass fibers and the following hot-melt resin.
本発明で使用するガラス繊維には、特に制限はなく、種々のものを使用できるが、本発明のポリ塩化ビニル樹脂用裏打ち材は好ましくは湿式抄紙法によって製造されるので、前記ガラス繊維の繊維長は３〜５０ｍｍが好ましく、特に３〜３０ｍｍが好ましい。又、繊維径は３〜２０μｍが好ましく、特に５〜１５μｍが好ましい。 The glass fiber used in the present invention is not particularly limited, and various types can be used. However, since the backing material for polyvinyl chloride resin of the present invention is preferably produced by a wet papermaking method, the fiber of the glass fiber is used. The length is preferably 3 to 50 mm, particularly preferably 3 to 30 mm. The fiber diameter is preferably 3 to 20 μm, particularly preferably 5 to 15 μm.
本発明で使用する熱溶融性樹脂繊維は、例えば抄紙時のドライヤによる加熱及び／又は抄紙後の加熱によってガラス繊維と熱融着し、熱溶融性樹脂繊維中にガラス繊維が適宜絡んだ状態でシート（不織布）に成型される。熱溶融性樹脂繊維は溶融温度が８０〜１８０℃のものが好ましく、特に１００〜１６０℃であるものが好ましい。このような熱溶融性樹脂繊維の例としては、例えばポリエチレン樹脂繊維、ポリプロピレン樹脂繊維、ポリエステル樹脂繊維、ポリアミド樹脂繊維等を挙げることが出来る。又、熱溶融性樹脂繊維としては、所定温度で繊維全体が溶融する全溶融性の繊維や、芯が熱溶融温度の高い樹脂で構成され、鞘が熱溶融温度の低い樹脂で構成されている芯鞘構造を有する繊維等が使用できる。 The heat-meltable resin fiber used in the present invention is, for example, heat-sealed with glass fiber by heating with a dryer during papermaking and / or heat after papermaking, and the glass fiber is appropriately entangled in the heat-meltable resin fiber. It is molded into a sheet (nonwoven fabric). The heat-meltable resin fiber preferably has a melting temperature of 80 to 180 ° C, particularly preferably 100 to 160 ° C. Examples of such heat-meltable resin fibers include polyethylene resin fibers, polypropylene resin fibers, polyester resin fibers, polyamide resin fibers, and the like. Further, as the heat-meltable resin fiber, a fully-meltable fiber in which the entire fiber is melted at a predetermined temperature, a core is made of a resin having a high heat-melting temperature, and a sheath is made of a resin having a low heat-melting temperature. A fiber having a core-sheath structure can be used.
本発明においては、ガラス繊維と熱溶融性樹脂繊維の合計量に対しガラス繊維を３０〜７０質量％の割合で配合する。ガラス繊維の配合割合が３０質量％未満であると、熱溶融性樹脂繊維の割合が多くなるので塩ビ樹脂との接着性は良好となるものの、ガラス繊維の割合が少なくなるため裏打ち材（及び塩ビ製品）の温度による伸び（以下、「温度伸び」とする）が増大し、寸法安定性の低下を招く。一方、ガラス繊維の配合割合が７０質量％を超えると、熱溶融性樹脂繊維の割合が少なくなって塩ビ樹脂との接着性が低下する。ガラス繊維の配合割合は３０〜５０質量％であることが好ましく、より好ましくは３０〜４０質量％である。 In this invention, glass fiber is mix | blended in the ratio of 30-70 mass% with respect to the total amount of glass fiber and a heat-meltable resin fiber. When the blending ratio of the glass fiber is less than 30% by mass, the ratio of the heat-meltable resin fiber is increased, so that the adhesiveness to the vinyl chloride resin is improved, but the ratio of the glass fiber is decreased. Elongation due to the temperature of the product (hereinafter referred to as “temperature elongation”) increases, leading to a decrease in dimensional stability. On the other hand, if the blending ratio of the glass fibers exceeds 70% by mass, the ratio of the heat-meltable resin fibers decreases and the adhesiveness with the vinyl chloride resin decreases. It is preferable that the mixture ratio of glass fiber is 30-50 mass%, More preferably, it is 30-40 mass%.
本発明のポリ塩化ビニル樹脂用裏打ち材の米坪量は２０ｇ/ｍ２以上であることが必要である。米坪量が２０ｇ/ｍ２未満であると、温度伸びが顕著になる。米坪量は３０ｇ/ｍ２以上であるのが好ましく、より好ましくは５０ｇ/ｍ２以上である。米坪量の上限には特に制限はなく、本発明の裏打ち材が適用されるポリ塩化ビニル樹脂シートの厚さに応じて適宜設計するが、通常、１５０g/ｍ２で十分である。１５０ｇ/ｍ２を超えても、ポリ塩化ビニル樹脂シートの伸びを低減する効果が飽和するので不経済である。 The rice basis weight of the backing material for polyvinyl chloride resin of the present invention is required to be 20 g / m 2 or more. When the basis weight of rice is less than 20 g / m 2 , the temperature elongation becomes significant. The rice basis weight is preferably 30 g / m 2 or more, more preferably 50 g / m 2 or more. There is no restriction | limiting in particular in the upper limit of rice basic weight, Although it designs suitably according to the thickness of the polyvinyl chloride resin sheet to which the backing material of this invention is applied, 150 g / m < 2 > is usually enough. Even if it exceeds 150 g / m 2 , the effect of reducing the elongation of the polyvinyl chloride resin sheet is saturated, which is uneconomical.
又、本発明の裏打ち材はガラス繊維及び熱溶融性樹脂繊維の２成分のみから構成してもよいが、熱溶融性樹脂繊維がガラス繊維を熱融着させるのに支障を生じない限り、上記熱溶融性樹脂繊維の他に適宜他の繊維を併用しても良い。他の繊維の含有量は、裏打ち材全体量に対して５０質量％以下であることが好ましく、３０質量％以下であることがより好ましい。 Further, the backing material of the present invention may be composed of only two components of glass fiber and hot-melt resin fiber, but as long as the hot-melt resin fiber does not hinder the glass fiber from being fused, In addition to the heat-meltable resin fiber, other fibers may be used in combination as appropriate. The content of other fibers is preferably 50% by mass or less, and more preferably 30% by mass or less, with respect to the total amount of the backing material.
上記他の繊維としては、上記熱溶融性樹脂繊維より溶融温度の高い合成樹脂繊維を用いることが好ましい。この合成樹脂繊維は高溶融温度であるので、シートの熱収縮を低減させることができる。他の繊維としては、ビニロン系繊維、ポリエチレンテレフタレート（ＰＥＴ）繊維、炭素繊維等が挙げられる。他の繊維の溶融温度は、熱溶融性樹脂繊維の溶融温度より高ければ特に制限されることはないが、例えば１９０℃以上、より好ましくは２００℃以上である。 As said other fiber, it is preferable to use the synthetic resin fiber whose melting temperature is higher than the said heat-meltable resin fiber. Since this synthetic resin fiber has a high melting temperature, the thermal shrinkage of the sheet can be reduced. Examples of other fibers include vinylon fibers, polyethylene terephthalate (PET) fibers, and carbon fibers. Although it will not restrict | limit especially if the melting temperature of another fiber is higher than the melting temperature of a heat-meltable resin fiber, For example, it is 190 degreeC or more, More preferably, it is 200 degreeC or more.
本発明のポリ塩化ビニル樹脂用裏打ち材は、好ましくは湿式抄紙法によって製造するので、熱溶融性樹脂繊維及び合成樹脂繊維等の繊維長は、１〜１００ｍｍが好ましく、特に２〜５０ｍｍであることが好ましい。また、繊維径は好ましくは８〜５００μｍ、より好ましくは１０〜３００μｍである。 Since the backing material for polyvinyl chloride resin of the present invention is preferably produced by a wet papermaking method, the fiber length of the heat-meltable resin fiber and the synthetic resin fiber is preferably 1 to 100 mm, particularly 2 to 50 mm. Is preferred. The fiber diameter is preferably 8 to 500 μm, more preferably 10 to 300 μm.
本発明のポリ塩化ビニル樹脂用裏打ち材は、公知の抄紙機で製造できる。
この抄紙機を使用する場合、ガラス繊維及び熱溶融性樹脂繊維（さらに必要に応じて他の繊維）を水に分散してスラリーを作製し紙料とする。この紙料をワイヤー上で抄紙してシートを形成する。次に、このシートを毛布に転移し、その後ドライヤに密着させて加熱乾燥することにより、本発明のポリ塩化ビニル樹脂用裏打ち材を得ることが出来る。
The backing material for polyvinyl chloride resin of the present invention can be produced by a known paper machine.
When this paper machine is used, a glass fiber and a heat-meltable resin fiber (and other fibers if necessary) are dispersed in water to produce a slurry, which is used as a paper stock. This stock is made on a wire to form a sheet. Next, the backing material for the polyvinyl chloride resin of the present invention can be obtained by transferring the sheet to a blanket, and then bringing the sheet into close contact with a dryer and drying by heating.
本発明のポリ塩化ビニル樹脂用裏打ち材は、例えばポリ塩化ビニル樹脂製の表面材（シート等）の裏面に接着することができ、又、２枚のポリ塩化ビニル樹脂製の表面材で上記裏打ち材を挟み込み、全体を熱圧着等の方法で接着して使用する。 The backing material for polyvinyl chloride resin of the present invention can be adhered to the back surface of a surface material (sheet, etc.) made of, for example, polyvinyl chloride resin, and the above backing material is made of two surface materials made of polyvinyl chloride resin. The material is sandwiched and the whole is bonded by a method such as thermocompression bonding.
本発明のポリ塩化ビニル樹脂用裏打ち材は、熱溶融性樹脂繊維を熱融着させ、熱溶融性樹脂繊維がガラス繊維を絡めてシート（不織布）とする１層構造であり、湿式抄紙法によって製造できるので生産性が高い。さらに、ガラス繊維が適度に含まれるので、寸法安定性も高い。又、塩ビ樹脂との接着性を向上させることができる。 The backing material for polyvinyl chloride resin of the present invention has a one-layer structure in which a heat-meltable resin fiber is heat-fused, and the heat-meltable resin fiber is entangled with a glass fiber to form a sheet (nonwoven fabric). Productivity is high because it can be manufactured. Furthermore, since glass fiber is contained moderately, dimensional stability is also high. Moreover, adhesiveness with a vinyl chloride resin can be improved.
（実施例）
以下、本発明を実施例によって更に詳述するが、本発明はこれによって限定されるものではない。
(Example)
EXAMPLES Hereinafter, although an Example demonstrates this invention further in full detail, this invention is not limited by this.
ガラス繊維（繊維長６ｍｍ、繊維径６μｍ）３０質量％、熱溶融性樹脂繊維（全溶融性ポリエステル樹脂（ＰＥＴ）繊維、繊維長５ｍｍ、繊維径２μｍ、ユニチカ社製 メルティ４０００：溶融温度１１０℃）７０質量％を混合し、水に分散させて０．１質量％（固形分）のスラリーを作製し、紙料とした。この紙料を角形シートマシンにてシート化し、このシートを１００℃に加熱したシリンダードライヤーにて乾燥し、米坪量５０ｇ/ｍ２のポリ塩化ビニル樹脂用裏打ち材を得た。 Glass fiber (fiber length 6 mm, fiber diameter 6 μm) 30% by mass, heat-meltable resin fiber (total melt polyester resin (PET) fiber, fiber length 5 mm, fiber diameter 2 μm, Melty 4000 manufactured by Unitika Ltd .: melting temperature 110 ° C.) 70% by mass was mixed and dispersed in water to prepare a 0.1% by mass (solid content) slurry, which was used as a paper stock. This stock was formed into a sheet with a square sheet machine, and the sheet was dried with a cylinder dryer heated to 100 ° C. to obtain a backing material for polyvinyl chloride resin having a rice basis weight of 50 g / m 2 .
このポリ塩化ビニル樹脂用裏打ち材を、２枚のポリ塩化ビニル樹脂シート（各々厚さ１２００μｍ）の間に挟み、全体をヒートシールテスターにより、加圧力４．９×１０５Ｐａ、温度１５０℃、３０秒間の条件で熱圧着してポリ塩化ビニル樹脂積層体を得た。 This backing material for polyvinyl chloride resin is sandwiched between two polyvinyl chloride resin sheets (each having a thickness of 1200 μm), and the whole is subjected to a pressure of 4.9 × 10 5 Pa, a temperature of 150 ° C. by a heat seal tester, Thermocompression bonding was performed for 30 seconds to obtain a polyvinyl chloride resin laminate.
実施例１と同一のガラス繊維を５０質量％用い、熱溶融性樹脂繊維として、実施例１のものに代え、芯鞘ポリエステル樹脂（ＰＥＴ）繊維（繊維長５ｍｍ、繊維径２μｍ、クラレ社製 ソフィットＮ７２０：溶融温度１１０℃）５０質量％を混合したこと以外は実施例１と全く同様にして、ポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。 Using 50% by mass of the same glass fiber as in Example 1, as a heat-meltable resin fiber, instead of the one in Example 1, a core-sheath polyester resin (PET) fiber (fiber length 5 mm, fiber diameter 2 μm, Kuraray Sofit N720: Melting temperature 110 ° C.) Except that 50 mass% was mixed, a backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained in the same manner as in Example 1.
熱溶融性樹脂繊維として、実施例１のものに代え、上記全溶融性ＰＥＴ繊維５０質量％と上記芯鞘ＰＥＴ繊維２０質量％とを用いたこと以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。 The heat-meltable resin fiber was replaced with the one in Example 1, except that 50% by mass of the total meltable PET fiber and 20% by mass of the core-sheathed PET fiber were used. A backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained.
ポリ塩化ビニル樹脂用裏打ち材の米坪量を１００ｇ/ｍ２とした以外は実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。 A backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained in exactly the same manner as in Example 1 except that the rice basis weight of the backing material for polyvinyl chloride resin was 100 g / m 2 .
熱溶融性樹脂繊維として、実施例１のものに代え、全溶融性ポリアミド樹脂繊維（繊維長５ｍｍ、繊維径５０μｍ、ユニチカファイバー製 フロールＭ：溶融温度１２０℃）７０質量％を混合したこと以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。 As a heat-meltable resin fiber, instead of the one in Example 1, all meltable polyamide resin fibers (fiber length 5 mm, fiber diameter 50 μm, Unitika fiber-made Flor M: melting temperature 120 ° C.) 70% by mass were mixed. In the same manner as in Example 1, a backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained.
（比較例１）
実施例１の熱溶融性樹脂繊維に代え、ポリエステル樹脂（ＰＥＴ）繊維（繊維長５ｍｍ、繊維径２μｍ、クラレ社製 ＥＰ１０１：溶融温度２６０℃）７０質量％を混合したこと以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。
(Comparative Example 1)
Example 1 except that 70% by mass of polyester resin (PET) fiber (fiber length 5 mm, fiber diameter 2 μm, Kuraray Co., Ltd. EP101: melting temperature 260 ° C.) was mixed in place of the heat-meltable resin fiber of Example 1. In the same manner as above, a backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained.
（比較例２）
ポリ塩化ビニル樹脂用裏打ち材の米坪量を１０ｇ/ｍ２とした以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。
(Comparative Example 2)
A backing material for polyvinyl chloride resin and a polyvinyl chloride resin laminate were obtained in the same manner as in Example 1 except that the rice basis weight of the backing material for polyvinyl chloride resin was 10 g / m 2 .
（比較例３）
ガラス繊維の配合割合を５質量％とし、熱溶融性樹脂繊維（上記全溶融性ＰＥＴ繊維）の配合割合を９５質量％としたこと以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。
(Comparative Example 3)
For polyvinyl chloride resin exactly as in Example 1, except that the blending ratio of the glass fiber was 5 mass% and the blending ratio of the heat-meltable resin fiber (the total meltable PET fiber) was 95 mass%. A backing material and a polyvinyl chloride resin laminate were obtained.
（比較例４）
ガラス繊維の配合割合を８０質量％とし、熱溶融性樹脂繊維（上記全溶融性ＰＥＴ繊維）の配合割合を２０質量％としたこと以外は、実施例１と全く同様にしてポリ塩化ビニル樹脂用裏打ち材及びポリ塩化ビニル樹脂積層体を得た。
(Comparative Example 4)
For polyvinyl chloride resin exactly as in Example 1, except that the blending ratio of the glass fiber was 80% by mass and the blending ratio of the heat-meltable resin fiber (the total meltable PET fiber) was 20% by mass. A backing material and a polyvinyl chloride resin laminate were obtained.
実施例及び比較例で得られたポリ塩化ビニル樹脂積層体について、ポリ塩化ビニル樹脂との接着性、及び寸法安定性を下記のようにして評価した。 About the polyvinyl chloride resin laminated body obtained by the Example and the comparative example, the adhesiveness with a polyvinyl chloride resin and dimensional stability were evaluated as follows.
＜ポリ塩化ビニル樹脂との接着性＞
２０×９０ｍｍのサンプルを万能試験機に取り付け、JIS K６８５４‐３（剥離接着強さ試験法T型剥離）に準じて評価した。なお、剥離については、ポリ塩化ビニル樹脂シートと裏打ち材との界面で剥離させた。
○：１８０°ピール試験値が２．０ｋｇ／２０ｍｍを超えたもの
△：１８０°ピール試験値が２．０〜１．０ｋｇ／２０ｍｍ以上のもの
×：１８０°ピール試験値が１．０ｋｇ／２０ｍｍ未満のもの
＜寸法安定性＞
１０×１５０ｍｍのサンプルについて、自動式紙伸縮計（熊谷理機工業株式会社製）を用いて温度による伸びを測定した。測定は、２０℃におけるサンプルの長さを基準にして６０℃で３０分保持後の伸びを測定し、２０℃におけるサンプルの長さ（基準長さ）に対する伸びを％表示した。同様に、上記したポリ塩化ビニル樹脂シート（厚さ１２００μｍ）を裏打ち材と熱圧着せずに伸びを測定し、その値をブランク値とした。
次に、ブランク値を１００としたときの、各サンプルの伸びの値を換算し、この換算値について以下の基準で評価した。
◎：換算値が３０未満
○：換算値が３０〜５０
×：換算値が５０以上
<Adhesiveness with polyvinyl chloride resin>
A 20 × 90 mm sample was attached to a universal testing machine, and evaluated according to JIS K6854-3 (peel adhesion strength test method T-type peel). In addition, about peeling, it was made to peel in the interface of a polyvinyl chloride resin sheet and a backing material.
○: 180 ° peel test value exceeds 2.0 kg / 20 mm Δ: 180 ° peel test value is 2.0 to 1.0 kg / 20 mm or more ×: 180 ° peel test value is 1.0 kg / 20 mm <Dimensional stability>
About the sample of 10x150 mm, the elongation by temperature was measured using the automatic paper extensometer (made by Kumagai Riki Kogyo Co., Ltd.). In the measurement, the elongation after holding at 60 ° C. for 30 minutes was measured based on the sample length at 20 ° C., and the elongation relative to the sample length (reference length) at 20 ° C. was expressed in%. Similarly, the elongation was measured without thermocompression bonding the above-mentioned polyvinyl chloride resin sheet (thickness: 1200 μm) with the backing material, and the value was taken as a blank value.
Next, the elongation value of each sample when the blank value was set to 100 was converted, and the converted value was evaluated according to the following criteria.
◎: Conversion value is less than 30 ○: Conversion value is 30-50
×: Conversion value is 50 or more
結果は表１に示した通りである。
表１から明らかなように、各実施例の場合には、ポリ塩化ビニル樹脂シートとの接着性、寸法安定性がともに優れている。これに対して、熱溶融性樹脂を用いなかった比較例１の場合には、ポリ塩化ビニル樹脂シートとの接着性が低下した。米坪量が２０ｇ/ｍ２未満である比較例２の場合には、ポリ塩化ビニル樹脂シートとの接着性、寸法安定性がともに低下した。更にガラス繊維の配合割合が３０質量％未満である比較例３の場合には、寸法安定性が著しく低下した。一方、ガラス繊維の配合割合が７０質量％を超えた比較例４の場合には、ポリ塩化ビニル樹脂シートとの接着性が劣化し、又、ポリ塩化ビニル樹脂シートからガラス繊維が脱落したため伸びの測定が不能となった。
As is apparent from Table 1, in each example, both the adhesion to the polyvinyl chloride resin sheet and the dimensional stability are excellent. On the other hand, in the case of the comparative example 1 which did not use a heat-meltable resin, the adhesiveness with a polyvinyl chloride resin sheet fell. In the case of Comparative Example 2 in which the rice basis weight was less than 20 g / m 2 , both the adhesiveness to the polyvinyl chloride resin sheet and the dimensional stability were lowered. Furthermore, in the case of the comparative example 3 whose glass fiber compounding ratio is less than 30% by mass, the dimensional stability was significantly lowered. On the other hand, in the case of Comparative Example 4 in which the blending ratio of the glass fibers exceeded 70% by mass, the adhesiveness with the polyvinyl chloride resin sheet deteriorated, and the glass fibers dropped off from the polyvinyl chloride resin sheet. Measurement became impossible.
Claims (2)
The backing material for polyvinyl chloride resin according to claim 1, wherein the backing material is thermocompression bonded to a surface material made of polyvinyl chloride resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003428395A JP2005187963A (en) | 2003-12-24 | 2003-12-24 | Backing material for polyvinyl chloride resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003428395A JP2005187963A (en) | 2003-12-24 | 2003-12-24 | Backing material for polyvinyl chloride resin |
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| Publication Number | Publication Date |
|---|---|
| JP2005187963A true JP2005187963A (en) | 2005-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003428395A Pending JP2005187963A (en) | 2003-12-24 | 2003-12-24 | Backing material for polyvinyl chloride resin |
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| Country | Link |
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| JP (1) | JP2005187963A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013104136A (en) * | 2011-11-11 | 2013-05-30 | Mitsubishi Paper Mills Ltd | Composite sheet for building member |
| CN105500850A (en) * | 2015-12-16 | 2016-04-20 | 常熟市天辰针织有限公司 | Velvet composite-yarn washing-faded fabric |
-
2003
- 2003-12-24 JP JP2003428395A patent/JP2005187963A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013104136A (en) * | 2011-11-11 | 2013-05-30 | Mitsubishi Paper Mills Ltd | Composite sheet for building member |
| CN105500850A (en) * | 2015-12-16 | 2016-04-20 | 常熟市天辰针织有限公司 | Velvet composite-yarn washing-faded fabric |
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