JPH0259335A - Heat adhesive resin foam, and resin foam-resin molding laminate - Google Patents
Heat adhesive resin foam, and resin foam-resin molding laminateInfo
- Publication number
- JPH0259335A JPH0259335A JP21014388A JP21014388A JPH0259335A JP H0259335 A JPH0259335 A JP H0259335A JP 21014388 A JP21014388 A JP 21014388A JP 21014388 A JP21014388 A JP 21014388A JP H0259335 A JPH0259335 A JP H0259335A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- resin foam
- foam
- carbon monoxide
- vinyl chloride
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000006260 foam Substances 0.000 title claims abstract description 65
- 229920005989 resin Polymers 0.000 title claims abstract description 64
- 239000011347 resin Substances 0.000 title claims abstract description 64
- 238000000465 moulding Methods 0.000 title abstract description 6
- 239000004840 adhesive resin Substances 0.000 title abstract description 4
- 229920006223 adhesive resin Polymers 0.000 title abstract description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229920001577 copolymer Polymers 0.000 claims abstract description 26
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 19
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 18
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 229920005672 polyolefin resin Polymers 0.000 claims description 42
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 16
- 239000005977 Ethylene Substances 0.000 claims description 16
- 229920006026 co-polymeric resin Polymers 0.000 claims description 4
- 239000011342 resin composition Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 6
- 239000012948 isocyanate Substances 0.000 abstract description 4
- 150000002513 isocyanates Chemical class 0.000 abstract description 4
- 229920002554 vinyl polymer Polymers 0.000 abstract description 4
- 231100000614 poison Toxicity 0.000 abstract 1
- 230000007096 poisonous effect Effects 0.000 abstract 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 22
- 239000012790 adhesive layer Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- -1 ethylene, propylene Chemical group 0.000 description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005187 foaming Methods 0.000 description 7
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- 239000004698 Polyethylene Substances 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000004604 Blowing Agent Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 229920003314 Elvaloy® Polymers 0.000 description 1
- 229920001944 Plastisol Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010382 chemical cross-linking Methods 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000004999 plastisol Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、オレフィン系樹脂発泡体と塩化ビニル系樹脂
成形品、および塩化ビニル系樹脂発泡体とオレフィン系
樹脂成形品との熱接着技術に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a technology for thermal bonding between an olefin resin foam and a vinyl chloride resin molded product, and between a vinyl chloride resin foam and an olefin resin molded product. .
［従来の技術］
一般に、樹脂発泡体は、軽量性、り・ソション性、遮音
性、断熱性、柔軟性などの種々の特性に優れているため
、包装、梱包の分野を始めとしてよ木、建築の分野など
、各種の分野において幅広く使用されている。[Prior Art] In general, resin foams are excellent in various properties such as lightness, flexibility, sound insulation, heat insulation, and flexibility, so they are used in the packaging, packaging, and other fields. It is widely used in various fields such as architecture.
このような樹脂発泡体としては、柔軟性、断熱性、機械
的強度に優れたオレフィン系樹脂発泡体や安価で化学的
性質や耐久性に優れた塩化ビニル系樹脂発泡体などが多
用されている。As such resin foams, olefin resin foams, which have excellent flexibility, heat insulation, and mechanical strength, and vinyl chloride resin foams, which are inexpensive and have excellent chemical properties and durability, are often used. .
［発明が解決しようとする課題］
ところで、これら樹脂発泡体を断熱材や緩衝材などとし
て使用する際に、他の樹脂成形品と接着゛する必要が生
じる場合が多い。このような際に、オレフィン系樹脂発
泡体とオレフィン系樹脂成形品、および塩化ビニル系樹
脂発泡体と塩化ビニル系樹脂成形品とは熱接着すること
ができるが、オレフィン系樹脂発泡体と塩化ビニル系樹
脂成形品、および塩化ビニル系樹脂発泡体とオレフィン
系樹脂成形品とは熱接着することができなかった。そこ
で、これらを接着するためには、毒性のあるイソシアネ
ート系物質を含む接着剤で接着しなければならず、作業
衛生面での問題や接着コストが高くなるという問題が・
あった。[Problems to be Solved by the Invention] By the way, when these resin foams are used as heat insulating materials, cushioning materials, etc., it is often necessary to bond them to other resin molded products. In such cases, the olefin resin foam and the olefin resin molded product, and the vinyl chloride resin foam and the vinyl chloride resin molded product can be thermally bonded, but the olefin resin foam and the vinyl chloride resin molded product can be thermally bonded. It was not possible to thermally bond the polyvinyl chloride resin molded product and the vinyl chloride resin foam to the olefin resin molded product. Therefore, in order to bond these, it is necessary to use adhesives containing toxic isocyanate-based substances, which poses problems in terms of work hygiene and increases bonding costs.
there were.
本発明はこのような従来技術の課題に対処するためにな
されたもので、オレフィン系樹脂発泡体と塩化ビニル系
樹脂成形品、および塩化ビニル系樹脂発泡体とオレフィ
ン系樹脂成形品とを熱接着することを可能にした熱接着
性樹脂発泡体および樹脂発泡体−樹脂成形品積層体を提
供することを目的としている。The present invention has been made in order to address the problems of the prior art, and includes thermal bonding between an olefin resin foam and a vinyl chloride resin molded product, and between a vinyl chloride resin foam and an olefin resin molded product. The object of the present invention is to provide a heat-adhesive resin foam and a resin foam-resin molded product laminate that make it possible to do this.
［課題を解決するための手段］
本発明の熱接着性樹脂発泡体は、オレフィン系樹脂発泡
体もしくは塩化ビニル系樹脂発泡体の少なくとも接着面
に、−酸化炭素含有量が１．５〜７、［１ｆｆｉｆｆｉ
％のエチレン・酢酸ビニル・−酸化炭素共重合体単独、
もしくはエチレン・酢酸ビニル・−酸化炭素共重合体と
オレフィン系樹脂との一酸化炭素含有量が１．５〜７．
０重量％である混合物からなる層を有していることを特
徴としている。[Means for Solving the Problems] The thermoadhesive resin foam of the present invention has a carbon oxide content of 1.5 to 7 on at least the adhesive surface of the olefin resin foam or the vinyl chloride resin foam. [1ffiffi
% of ethylene/vinyl acetate/carbon oxide copolymer alone,
Or, the carbon monoxide content of the ethylene/vinyl acetate/carbon oxide copolymer and the olefin resin is 1.5 to 7.
It is characterized by having a layer consisting of a mixture of 0% by weight.
また、本発明の樹脂発泡体−樹脂成形品積層体は、オレ
フィン系樹脂発泡体と塩化ビニル系樹脂成形品とが、ま
たは塩化ビニル系樹脂発泡体とオレフィン系樹脂成形品
とが、−酸化炭素含有量が１．５〜７，０重量％のエチ
レン・酢酸ビニル・−酸化炭素共重合体単独、もしくは
エチレン・酢酸ビニル・−酸化炭素共重合体とオレフィ
ン系樹脂との一酸化炭素含を量が１．５〜７．０重量％
である混合物からなる層を介して熱接着されていること
を特徴としている。In addition, the resin foam-resin molded product laminate of the present invention is characterized in that the olefin resin foam and the vinyl chloride resin molded product, or the vinyl chloride resin foam and the olefin resin molded product, contain carbon oxide. Carbon monoxide content of ethylene/vinyl acetate/carbon oxide copolymer alone or ethylene/vinyl acetate/carbon oxide copolymer and olefin resin with a content of 1.5 to 7.0% by weight is 1.5-7.0% by weight
It is characterized by being thermally bonded through a layer made of a mixture of
本発明において熱接着に寄与する層は、エチレンと酢酸
ビニルと一酸化炭素とからなる一酸化炭素系共重合体単
独、もしくはこの−酸化炭素系共重合体とオレフィン系
樹脂との混合物からなるものである。In the present invention, the layer contributing to thermal adhesion is composed of a carbon monoxide copolymer consisting of ethylene, vinyl acetate, and carbon monoxide alone, or a mixture of this carbon oxide copolymer and an olefin resin. It is.
この−酸化炭素系共重合体を単独で熱接着層として使用
する場合には、−酸化炭素の含有量が１．５〜７．０重
量％の範囲であり、また酢酸ビニルの含有量は５〜４０
重量％であるのが好ましく、より好ましくは酢酸ビニル
の含有量が１０〜３０重量％である。また、この−酸化
炭素系共重合体のメルトインデックスは、０．０５〜５
０ｇ／１０分であるのが好ましく、より好ましくは０．
１〜３０ｇ／１０分である。When this carbon oxide copolymer is used alone as a thermal adhesive layer, the content of carbon oxide is in the range of 1.5 to 7.0% by weight, and the content of vinyl acetate is 5% by weight. ~40
The content of vinyl acetate is preferably 10 to 30% by weight. Furthermore, the melt index of this carbon oxide copolymer is 0.05 to 5.
Preferably it is 0 g/10 min, more preferably 0.
1 to 30 g/10 minutes.
また、−酸化炭素系共重合体とオレフィン系樹脂との混
合物を熱接着層として使用する場合には、この混合物中
の一酸化炭素含有量が１．５〜７．０重量％となるよう
に、−酸化炭素系共重合体中の一酸化炭素含有量および
これらの混合比を設定して用いる。この際に使用する一
酸化炭素系共重合体は、−酸化炭素含有量が１．５〜２
０重量％であるのが好ましく、より好ましくは１．５〜
１５重量％の範囲である。In addition, when using a mixture of a carbon oxide copolymer and an olefin resin as a thermal adhesive layer, the carbon monoxide content in this mixture should be 1.5 to 7.0% by weight. , - The carbon monoxide content in the carbon oxide copolymer and the mixing ratio thereof are set and used. The carbon monoxide copolymer used in this case has a carbon oxide content of 1.5 to 2.
It is preferably 0% by weight, more preferably 1.5 to 1.5% by weight.
It is in the range of 15% by weight.
この熱接着層として使用するオレフィン系樹脂は、エチ
レン、プロピレン、ブテン−１などのオレフィン系モノ
マーを主体とする単独重合体あるいは共重合体である。The olefin resin used for this thermal adhesive layer is a homopolymer or copolymer mainly composed of olefin monomers such as ethylene, propylene, and butene-1.
これら−酸化炭素系共重合体、もしくは−酸化炭素系共
重合体とオレフィン系樹脂との混合物（以下、熱接着層
用樹脂組成物と言う。）中の一酸化炭素含有量は、少な
くなると塩化ビニル系樹脂との熱接着性が低下し、多く
なるとオレフィン系樹脂との接着性が低下するので、１
．５〜７．０重量％の範囲とする。When the carbon monoxide content in these carbon oxide copolymers or mixtures of carbon oxide copolymers and olefin resins (hereinafter referred to as resin compositions for thermal adhesive layers) decreases, chloride Thermal adhesion with vinyl resin decreases, and if the amount increases, the adhesion with olefin resin decreases, so 1
．． The range is 5 to 7.0% by weight.
本発明の熱接着性樹脂発泡体は、以下に示すような方法
で上記熱接着層用樹脂組成物をオレフィン系樹脂発泡体
または塩化ビニル系樹脂発泡体に接合するか、あるいは
これらの未発泡状態のものに接合させた後、これらを発
泡させることにより得られる。The heat-adhesive resin foam of the present invention can be produced by bonding the above resin composition for a heat-adhesive layer to an olefin resin foam or vinyl chloride resin foam by the method shown below, or by bonding these in an unfoamed state. It can be obtained by bonding these to other materials and then foaming them.
熱接着層用樹脂組成物をオレフィン系樹脂発泡体または
塩化ビニル系樹脂発泡体に接合する方法としては、
（ａ） 上記熱接着層用樹脂組成物を押出機で溶融押
出して、樹脂発泡体上にコーティングする。The method for bonding the resin composition for a thermal adhesive layer to an olefin resin foam or a vinyl chloride resin foam is as follows: (a) Melt-extrude the resin composition for a thermal adhesive layer using an extruder, and apply it onto the resin foam. Coat.
（ｂ） 上記熱接着層用樹脂組成物を一旦フィルム状
にし、これを加熱して樹脂発泡体と熱接着する。(b) The above-mentioned resin composition for a thermal adhesive layer is once formed into a film, and this is heated to thermally bond it to the resin foam.
（Ｃ） 上記熱接着層用樹脂組成物をテトラヒドロフ
ランなどの溶剤に溶かし、これを樹脂発泡体に塗布し乾
燥させて形成する。(C) The above-mentioned resin composition for a thermal adhesive layer is dissolved in a solvent such as tetrahydrofuran, and this is applied to a resin foam and dried to form it.
などが例示される。Examples include.
また、未発泡状態の樹脂発泡体に上記熱接着層用樹脂組
成物を接合させる方法としては、上記（ａ）、〜（Ｃ）
の方法以外に、複数の押出機と多層金型を用いて金型内
で接合し押出してもよい。In addition, as a method for bonding the resin composition for a thermal adhesive layer to an unfoamed resin foam, the methods (a) to (C) described above may be used.
In addition to the above method, a plurality of extruders and a multilayer mold may be used to join and extrude within the mold.
このようにして熱接着層を形成したオレフィン系樹脂発
泡体または塩化ビニル系樹脂発泡体と、塩化ビニル系樹
脂成形品またはオレフィン系樹脂成形品とを接着するに
は、熱接着層を介してこれらを積層し、少なくともこれ
らの一方を加熱し、適当な圧力を加えることによって行
える。In order to bond the olefin resin foam or vinyl chloride resin foam on which the thermal adhesive layer has been formed in this way to the vinyl chloride resin molded product or the olefin resin molded product, the adhesive layer must be used to bond them together. This can be done by laminating them, heating at least one of them, and applying appropriate pressure.
本発明におけるオレフィン系樹脂発泡体は、エチレン、
プロピレン、ブテン−１などのオレフィン系モノマーを
主体とする単独重合体あるいは共重合体、もしくはこれ
らの混合物を以下に示すような一般的な発泡方法、ある
いはその他の方法によって発泡させたものである。The olefin resin foam in the present invention includes ethylene,
A homopolymer or copolymer mainly composed of olefinic monomers such as propylene and butene-1, or a mixture thereof is foamed by a general foaming method as shown below or by other methods.
■ 上記オレフィン系樹脂と加熱分解型発泡剤とを押出
機に供給し、オレフィン系樹脂の融点以上、かつ発泡剤
の分解温度以上に加熱溶融混練して、金型から押出すと
同時に、またはさらに加熱して発泡させる方法。■ The above olefin resin and thermally decomposable blowing agent are supplied to an extruder, heated and melted to a temperature higher than the melting point of the olefin resin and higher than the decomposition temperature of the blowing agent, and simultaneously extruded from a mold, or at the same time, A method of heating and foaming.
■ 上記オレフィン系樹脂と常温常圧で気体または揮発
性液体を押出機に一括して、または別々に供給し、加熱
溶融混練して金型から押出すと同時に発泡させる方法。(2) A method in which the above-mentioned olefin resin and a gas or volatile liquid at room temperature and pressure are supplied to an extruder all at once or separately, heated and melted and kneaded, and extruded from a mold and foamed at the same time.
■ 上記オレフィン系樹脂と加熱分解型発泡剤をオレフ
ィン系樹脂の融点以上で発泡剤の分解温度以下の温度で
溶融混練した後に成形した成形物を化学架橋剤または放
射線架橋により架橋させ、次いで発泡剤の分解温度以上
の温度に加熱して発泡させる方法。■ The above olefin resin and thermally decomposable blowing agent are melt-kneaded at a temperature above the melting point of the olefin resin and below the decomposition temperature of the blowing agent, and then the molded product is crosslinked using a chemical crosslinking agent or radiation crosslinking, and then the blowing agent A method of foaming by heating to a temperature above the decomposition temperature of.
■ 耐圧容器中で無架橋または架橋したオレフィン系樹
脂に気体または揮発性液体を加圧、含浸させた後に取り
出し、大気圧下で加熱して発泡させるか、あるいは加圧
下で加熱した後に圧力を解放し、発泡させる方法。■ Uncrosslinked or crosslinked olefin resin is pressurized and impregnated with gas or volatile liquid in a pressure-resistant container, then taken out and heated under atmospheric pressure to foam, or heated under pressure and then released. and foaming method.
また、本発明における塩化ビニル系樹脂発泡体は、塩化
ビニルの単独重合体あるいは酢酸ビニルやエチレンなど
との共重合体、もしくはこれらの混合物を、上記したオ
レフィン系樹脂発泡体における■〜■と同様な発泡方法
や塩化ビニル系樹脂プラスチゾルに炭酸ガスやフロンガ
スなどの不活性ガスを吸収させた後、加熱して発泡させ
る方法などの通常用いられている発泡方法によって発泡
させたものである。In addition, the vinyl chloride resin foam in the present invention is made of a homopolymer of vinyl chloride, a copolymer with vinyl acetate, ethylene, etc., or a mixture thereof, in the same manner as in (1) to (2) for the above-mentioned olefin resin foam. Foaming is performed by a commonly used foaming method, such as a method in which vinyl chloride resin plastisol is made to absorb an inert gas such as carbon dioxide gas or chlorofluorocarbon gas, and then heated and foamed.
本発明でいう樹脂成形品とは、上述したようなオレフィ
ン系モノマーの単独重合体もしくは共重合体を主成分と
する成形品、あるいは塩化ビニルの単独重合体もしくは
共重合体を主成分とする成形品であって、形状はシート
、フィルム、押出異形品、射出成形などによる型物成形
品など、特に形状には限定されず、また発泡体、非発泡
体、エンボス加工品が含まれるものとする。The resin molded article in the present invention refers to a molded article whose main component is a homopolymer or copolymer of olefinic monomers as described above, or a molded article whose main component is a homopolymer or copolymer of vinyl chloride. The shape is not limited to sheets, films, extruded shaped products, molded products by injection molding, etc., and includes foamed products, non-foamed products, and embossed products. .
［作 用］
エチレン・酢酸ビニル・−酸化炭素共重合体、もしくは
この−酸化炭素系共重合体とオレフィン系樹脂との混合
物は、これらの−酸化炭素含有量を１．５〜７．０重量
％の範囲内に制御することによって、オレフィン系樹脂
と塩化ビニル系樹脂それぞれに対して容易に熱接着する
。したがって、オレフィン系樹脂発泡体あるいは塩化ビ
ニル系樹脂発泡体に予め上記樹脂組成物の層を設けてお
くことによって、オレフィン系樹脂発泡体と塩化ビニル
系樹脂成形品、および塩化ビニル系樹脂発泡体とオレフ
ィン系樹脂成形品とを、毒性のあるイソシアネート系物
質を含む接着剤などを使用することなく熱接着すること
が可能となる。[Function] Ethylene/vinyl acetate/carbon oxide copolymer or a mixture of this carbon oxide copolymer and olefin resin has a carbon oxide content of 1.5 to 7.0% by weight. By controlling it within the range of %, thermal adhesion can be easily achieved with both olefin resin and vinyl chloride resin. Therefore, by providing a layer of the resin composition on the olefin resin foam or the vinyl chloride resin foam in advance, the olefin resin foam, the vinyl chloride resin molded product, and the vinyl chloride resin foam can be bonded together. It becomes possible to thermally bond olefin-based resin molded products without using adhesives containing toxic isocyanate-based substances.
［実施例］ 次に、本発明の実施例について説明する。[Example] Next, examples of the present invention will be described.
実施例１〜４、比較例１〜３
エチレン・酢酸ビニル・−酸化炭素共重合体（エルバロ
イ ７４１（商品名、デュポン社製）：エチレン６Ｂ重
量％、酢酸ビニル２４重量％、−酸化炭素１０重量％）
とポリエチレン（スミ力センＰ２Ｏ１（商品名、住友化
学社製））とを第１表に示す配合比でそれぞれリボンブ
レンダに供給して混合した後、押出機で１４０℃で押出
して、１２０℃に加熱されたポリエチレン発泡体シート
（ソフトロンＳ（商品名、積木化学製）：密度−０，０
５ｇ／ｃｉｌ 、厚さ＝ ３ｍｍ）の片面にそれぞれ０
．０５ｍｍの膜厚で形成し、それぞれ熱接着層を有する
ポリエチレン発泡体シートを作製した。Examples 1 to 4, Comparative Examples 1 to 3 Ethylene/vinyl acetate/carbon oxide copolymer (Elvaloy 741 (trade name, manufactured by DuPont): ethylene 6B weight %, vinyl acetate 24 weight %, carbon oxide 10 weight % %)
and polyethylene (Sumikisen P2O1 (trade name, manufactured by Sumitomo Chemical Co., Ltd.)) were supplied to a ribbon blender and mixed at the compounding ratio shown in Table 1, and then extruded at 140°C with an extruder and heated to 120°C. Heated polyethylene foam sheet (Softlon S (trade name, manufactured by Block Chemical): Density -0.0
0 on each side of 5g/cil, thickness = 3mm)
．． Polyethylene foam sheets each having a thermal adhesive layer were produced with a film thickness of 0.05 mm.
次に、これらポリ平チレン発泡体シートの熱接着層をポ
リ塩化ビニルシート（ジオクチルフタレート６０重量部
、スズ系安定剤３重量部含有、厚さｍ Ｏ，３ＩＩ１ｍ
）に当接させて重ね合せ、１４０℃に熱した鉄板で５分
間挟み、この後冷却して室温で鉄板を剥離して接着性を
判定した（以下、接着試験という）。この接着試験にお
いて、剥離の際に完全に接着しており、発泡体シートが
材料破壊されるものを○と評価し、発泡体シートが破壊
されることなく剥離されるものを×と評価した。剥離の
状態を合せて第１表に示す。Next, the thermal adhesive layer of these polyethylene foam sheets was attached to a polyvinyl chloride sheet (containing 60 parts by weight of dioctyl phthalate and 3 parts by weight of tin-based stabilizer, thickness m O, 3II 1 m).
) and sandwiched between iron plates heated to 140° C. for 5 minutes, then cooled and peeled off the iron plates at room temperature to determine adhesion (hereinafter referred to as adhesion test). In this adhesion test, cases where the foam sheet was completely adhered and the foam sheet was destroyed upon peeling were evaluated as ○, and cases where the foam sheet was peeled off without being destroyed were evaluated as x. The state of peeling is also shown in Table 1.
（以下余白）
第
表
実施例５〜８、比較例４〜６
実施例１て用いたエチレン・酢酸ビニル・−酸化炭素共
重合体と、ポリプロピレン（三菱ポリプロＭＸ０３Ｃ（
商品名、三菱油化社製））とを第２表に示す配合比でリ
ボンブレンダに供給して混合した後、押出機で１８０℃
で押出して、１４０°Ｃに加熱されたポリプロピレン発
泡体シート（ソフトロンＳＰ（商品名、抗水化学社製）
、密度−０，０５ｇ／ｃ−ｊ、厚さ＝ ０．３ｍｍ）の
片面に０．０５ｍｍの膜厚で形成し、それぞれ熱接着層
を有するポリプロピレン発泡体シートを作製した。(Leaving space below) Table Examples 5 to 8, Comparative Examples 4 to 6 The ethylene/vinyl acetate/carbon oxide copolymer used in Example 1 and polypropylene (Mitsubishi Polypropylene MX03C)
(trade name, manufactured by Mitsubishi Yuka Co., Ltd.)) were fed to a ribbon blender and mixed at the compounding ratio shown in Table 2, and then heated at 180°C using an extruder.
Polypropylene foam sheet (Softlon SP (trade name, manufactured by Antisui Kagaku Co., Ltd.) extruded at 140°C and heated to 140°C
, density -0.05 g/c-j, thickness = 0.3 mm), and each polypropylene foam sheet had a thermal adhesive layer formed on one side with a film thickness of 0.05 mm.
次に、これらポリプロピレン発泡体シートの熱接着層を
実施例１で用いたポリ塩化ビニルシートに当接させて重
ね合せ、１８０℃に熱した鉄板で５分間挟み、冷却した
後に室温で接着試験を行い、実施例１と同様の評価を行
った。その結果を第２表に示す。Next, the thermal adhesive layer of these polypropylene foam sheets was brought into contact with the polyvinyl chloride sheet used in Example 1 and overlapped, sandwiched between iron plates heated to 180°C for 5 minutes, and after cooling, an adhesion test was conducted at room temperature. The same evaluation as in Example 1 was conducted. The results are shown in Table 2.
（以下余白）
実施例９〜１２、比較例７〜９
実施例１で使用したエチレン・酢酸ビニル・−酸化炭素
共重合体とポリエチレンとを第３表に示す配合比でリボ
ンブレンダに供給して混合した後、押出機で１４０℃で
押出して、１００℃に加熱されたポリ塩化ビニル発泡体
シート（セキスイビニルフォームＦＢ−ＧＯ（商品名、
漬水化成品社製）：厚さ−３＋ｎｍ）の片面にそれぞれ
０．０５■の膜厚で形成し、それぞれ熱接着層を有する
ポリ塩化ビニル発泡体シートを作製した。(Left below) Examples 9 to 12, Comparative Examples 7 to 9 The ethylene/vinyl acetate/carbon oxide copolymer used in Example 1 and polyethylene were fed to a ribbon blender at the blending ratio shown in Table 3. After mixing, a polyvinyl chloride foam sheet (Sekisui Vinyl Foam FB-GO (trade name,
Polyvinyl chloride foam sheets each having a heat adhesive layer were prepared by forming a film of 0.05 .mu.m thick on one side of a polyvinyl chloride foam sheet (manufactured by Tsukusui Kaseihin Co., Ltd.) (thickness: -3+nm).
次に、これらポリ塩化ビニル発泡体シートの熱接着層を
ポリエチレンシート（密度−０，９２０ｇ／ｃ１？、厚
さ−０，３１１１１■）に当接させて重ね合せ、１２０
℃に熱した鉄板で５分間挟み、冷却した後に室温で接着
試験を行い、実施例１と同様の評価を行った。Next, the heat-adhesive layer of these polyvinyl chloride foam sheets was brought into contact with a polyethylene sheet (density -0,920 g/c1?, thickness -0,31111 cm) and overlapped,
After being sandwiched between iron plates heated to .degree. C. for 5 minutes and cooled, an adhesion test was conducted at room temperature, and the same evaluation as in Example 1 was performed.
その結果を合せて第３表に示す。The results are shown in Table 3.
（以下余白）
［発明の効果］
以上説明したように本発明によれば、高価で毒性のある
イソシアネート系物質を含む接着剤などを使用すること
なく、オレフィン系樹脂発泡体と塩化ビニル系樹脂成形
品、および塩化ビニル系樹脂発泡体とオレフィン系樹脂
成形品とを熱接着することが可能となる。したがって、
積層体形成時における作業衛生面での安全性や作業コス
トの低減が図れるとともに、信頼性に優れた積層体が得
られる。(The following is a blank space) [Effects of the Invention] As explained above, according to the present invention, olefin resin foam and vinyl chloride resin molding can be performed without using adhesives containing expensive and toxic isocyanate-based substances. It becomes possible to thermally bond the product, the vinyl chloride resin foam, and the olefin resin molded product. therefore,
It is possible to achieve safety in terms of work hygiene and to reduce work costs during the formation of a laminate, and a laminate with excellent reliability can be obtained.
出願人 積水化学工業株式会社 代表者 廣 １） 馨Applicant: Sekisui Chemical Co., Ltd. Representative: Hiroshi 1) Kaoru
Claims (2)
脂発泡体の少なくとも接着面に、一酸化炭素含有量が１
．５〜７．０重量％のエチレン・酢酸ビニル・一酸化炭
素共重合体単独、もしくはエチレン・酢酸ビニル・一酸
化炭素共重合体とオレフィン系樹脂との一酸化炭素含有
量が１．５〜７．０重量％である混合物からなる層を有
していることを特徴とする熱接着性樹脂発泡体。(1) At least the adhesive surface of the olefin resin foam or vinyl chloride resin foam has a carbon monoxide content of 1
．． Carbon monoxide content of 5 to 7.0% by weight of ethylene/vinyl acetate/carbon monoxide copolymer alone or ethylene/vinyl acetate/carbon monoxide copolymer and olefin resin is 1.5 to 7. 1. A thermoadhesive resin foam characterized by having a layer comprising a mixture having a content of .0% by weight.
品とが、または塩化ビニル系樹脂発泡体とオレフィン系
樹脂成形品とが、一酸化炭素含有量が１．５〜７．０重
量％のエチレン・酢酸ビニル・一酸化炭素共重合体単独
、もしくはエチレン・酢酸ビニル・一酸化炭素共重合体
とオレフィン系樹脂との一酸化炭素含有量が１．５〜７
．０重量％である混合物からなる層を介して熱接着され
ていることを特徴とする樹脂発泡体−樹脂成形品積層体
。(2) The olefin resin foam and the vinyl chloride resin molded product, or the vinyl chloride resin foam and the olefin resin molded product, have a carbon monoxide content of 1.5 to 7.0% by weight. Carbon monoxide content of ethylene/vinyl acetate/carbon monoxide copolymer alone or ethylene/vinyl acetate/carbon monoxide copolymer and olefin resin is 1.5 to 7.
．． 1. A resin foam-resin molded product laminate, characterized in that the resin foam-resin molded product laminate is thermally bonded via a layer consisting of a 0% by weight mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21014388A JPH0259335A (en) | 1988-08-24 | 1988-08-24 | Heat adhesive resin foam, and resin foam-resin molding laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21014388A JPH0259335A (en) | 1988-08-24 | 1988-08-24 | Heat adhesive resin foam, and resin foam-resin molding laminate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259335A true JPH0259335A (en) | 1990-02-28 |
Family
ID=16584487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21014388A Pending JPH0259335A (en) | 1988-08-24 | 1988-08-24 | Heat adhesive resin foam, and resin foam-resin molding laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259335A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020205633A1 (en) * | 2019-03-29 | 2020-10-08 | Toray Plastics (America), Inc. | Coextruded, crosslinked polyolefin foam with kee cap layers |
| US11007761B2 (en) | 2017-03-31 | 2021-05-18 | Toray Plastics (America), Inc. | Method of making coextruded, cross-linked polyolefin foam with TPU cap layers |
| US11590730B2 (en) | 2019-03-29 | 2023-02-28 | Toray Plastics (America), Inc. | Coextruded, crosslinked polyolefin foam with KEE cap layers |
| US11590677B2 (en) * | 2019-03-29 | 2023-02-28 | Toray Plastics (America), Inc. | Method of making coextruded, crosslinked polyolefin foam with KEE cap layers |
-
1988
- 1988-08-24 JP JP21014388A patent/JPH0259335A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11007761B2 (en) | 2017-03-31 | 2021-05-18 | Toray Plastics (America), Inc. | Method of making coextruded, cross-linked polyolefin foam with TPU cap layers |
| US11628657B2 (en) | 2017-03-31 | 2023-04-18 | Toray Plastics (America), Inc. | Method of making coextruded, cross-linked polyolefin foam with TPU cap layers |
| WO2020205633A1 (en) * | 2019-03-29 | 2020-10-08 | Toray Plastics (America), Inc. | Coextruded, crosslinked polyolefin foam with kee cap layers |
| US11590730B2 (en) | 2019-03-29 | 2023-02-28 | Toray Plastics (America), Inc. | Coextruded, crosslinked polyolefin foam with KEE cap layers |
| US11590677B2 (en) * | 2019-03-29 | 2023-02-28 | Toray Plastics (America), Inc. | Method of making coextruded, crosslinked polyolefin foam with KEE cap layers |
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