JPH0124428B2 - - Google Patents
Info
- Publication number
- JPH0124428B2 JPH0124428B2 JP12112084A JP12112084A JPH0124428B2 JP H0124428 B2 JPH0124428 B2 JP H0124428B2 JP 12112084 A JP12112084 A JP 12112084A JP 12112084 A JP12112084 A JP 12112084A JP H0124428 B2 JPH0124428 B2 JP H0124428B2
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- adhesive composition
- materials
- weight
- polar
- 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.)
- Expired
Links
- 239000000853 adhesive Substances 0.000 claims description 39
- 230000001070 adhesive effect Effects 0.000 claims description 39
- 239000000203 mixture Substances 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000008096 xylene Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 13
- 229920006113 non-polar polymer Polymers 0.000 description 12
- 239000002861 polymer material Substances 0.000 description 12
- 239000004698 Polyethylene Substances 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- 239000006260 foam Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000003522 acrylic cement Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
Description
(産業上の利用分野)
この発明は、主に非極性高分子材料の接着に適
する接着剤組成物に関するものである。
(従来技術)
一般にポリプロピレン(PP)、ポリエチレン
(PE)、エチレン−プロピレン非共役ジエン三元
共重合物(EPDM)、エチレン−プロピレン共重
合物(EPR)等の非極性高分子材料は、アクリ
ロニトリル−ブタジエン−スチレン三元共重合物
(ABS)、ニトリルブタジエンゴム(NBR)に含
まれるような極性基を分子中に持たない。
従つて、これらの非極性高分子材料に塗料を塗
布しても塗膜は容易に剥離してしまうため、非極
性高分子材料に対する塗装は困難を極める。ま
た、これらの非極性高分子材料どうし、もしくは
非極性高分子材料と金属、樹脂等他の材料との接
着に際しても同様の困難を伴う。
この対策として、従来すでに多くの処理が非極
性高分子材料に試みられた。例えばワイヤーブ
ラシ、サンドペーパー等で表面を研摩する、紫
外線照射を行なう、濃硫酸に浸漬する、有機
モノカルボン酸及びリン酸の混合物溶液で処理す
る等の方法である。
しかし、これら処理された非極性高分子材料に
対しても、従来の塗料の密着性及び接着剤の接着
性は十分ではなかつた。
(発明が解決しようとする問題点)
従つて、この発明はPP、PE、EPDM、EPR等
の非極性高分子材料に対して、充分な接着力が得
られないという問題を解決しようとするものであ
る。
発明の構成
(問題点を解決するための手段)
この発明は上述した問題点を解決するために、
分子末端に、1分子中1.5〜3個の水酸基を有す
る主鎖の飽和又は部分的に飽和した炭化水素系ポ
リマ5〜95重量%と、塩素化ポリプロピレン95〜
5重量%とよりなる接着剤組成物を見出したこと
である。
(作 用)
上記接着剤組成物は、非極性高分子材料に対し
て高い接着力を示す。
実施例
本実施例では、低分子ポリオレフインポリオー
ルとトルエンで溶解されている塩素化ポリプロピ
レン(以下CL−PPという)を混合して接着剤組
成物を形成した。
低分子ポリオレフインポリオール(以下HCP
という)は、分子末端に、1分子中1.5〜3個の
水酸基を有する主鎖の飽和又は部分的に飽和した
炭化水素系ポリマである。同HCPとしては、例
えば三菱化成工業株式会社の商品ポリテールH、
ポリテールHA等(ポリテールは同社の登録商標
である)を用いることができる。常温では、ワツ
クス状固体又は液体である。常温で固体のものは
加温によつて軟化し、融点(以下mpという)以
上に加熱すると液状になるという性質を持つてい
る。(雑誌工業材料、第29巻12号及び第30巻1号、
日刊工業新聞社発行に詳述されている。)
従つて、水酸基2重結合等を利用して種々の変
性を行なうことができる。また良好な機械的性
質、電気絶縁性耐薬性、耐水性、耐候性、耐オゾ
ン性、熱安定性、接着性を示す。
ゆえに、この発明は上記の性質を利用したもの
であり、分子末端に、1分子中1.5〜3個の水酸
基を有する主鎖の飽和又は部分的に飽和した
HCP5〜95重量%とCL−PP95〜5重量%を混合
した接着剤組成物である。
以下、本実施例について、その試料の作成、剥
離強さの測定結果及び用途を順に説明する。
〔1〕 接着剤組成物試料の作成
本実施例の接着剤組成物の効果を確認するた
め、実施例〜を表1に示す通りの重量%で
各材料を配合した。CL−PPの塩素化度も同表
の中に併記した。
(Industrial Application Field) The present invention relates to an adhesive composition mainly suitable for adhering non-polar polymeric materials. (Prior art) In general, nonpolar polymer materials such as polypropylene (PP), polyethylene (PE), ethylene-propylene nonconjugated diene terpolymer (EPDM), and ethylene-propylene copolymer (EPR) are made of acrylonitrile- It does not have polar groups in its molecule like those contained in butadiene-styrene terpolymer (ABS) and nitrile butadiene rubber (NBR). Therefore, even if a paint is applied to these non-polar polymer materials, the coating film easily peels off, making it extremely difficult to paint non-polar polymer materials. Furthermore, similar difficulties arise when adhering these nonpolar polymeric materials to each other, or when adhering the nonpolar polymeric materials to other materials such as metals and resins. As a countermeasure to this problem, many treatments have already been attempted on nonpolar polymer materials. For example, methods include polishing the surface with a wire brush, sandpaper, etc., irradiating it with ultraviolet rays, immersing it in concentrated sulfuric acid, and treating it with a mixed solution of organic monocarboxylic acid and phosphoric acid. However, even for these treated non-polar polymer materials, the adhesion of conventional paints and the adhesion of conventional adhesives have not been sufficient. (Problems to be Solved by the Invention) Therefore, the present invention attempts to solve the problem that sufficient adhesive strength cannot be obtained for non-polar polymer materials such as PP, PE, EPDM, and EPR. It is. Structure of the invention (means for solving the problems) In order to solve the above-mentioned problems, this invention
5 to 95% by weight of a main chain saturated or partially saturated hydrocarbon polymer having 1.5 to 3 hydroxyl groups per molecule at the molecular end, and 95 to 95% by weight of chlorinated polypropylene.
The inventors have discovered an adhesive composition comprising 5% by weight. (Function) The above adhesive composition exhibits high adhesive strength to nonpolar polymeric materials. Example In this example, an adhesive composition was formed by mixing a low molecular weight polyolefin polyol and chlorinated polypropylene (hereinafter referred to as CL-PP) dissolved in toluene. Low molecular weight polyolefin polyol (hereinafter referred to as HCP)
) is a saturated or partially saturated main chain hydrocarbon polymer having 1.5 to 3 hydroxyl groups per molecule at the molecular ends. Examples of the HCP include Mitsubishi Chemical Corporation's product Polytail H,
Polytail HA etc. (Polytail is a registered trademark of the company) can be used. At room temperature, it is a waxy solid or liquid. Materials that are solid at room temperature soften when heated, and become liquid when heated above their melting point (hereinafter referred to as MP). (Magazine Industrial Materials, Vol. 29, No. 12 and Vol. 30, No. 1,
It is detailed in a publication published by Nikkan Kogyo Shimbun. ) Therefore, various modifications can be carried out by utilizing the hydroxyl group double bond, etc. It also exhibits good mechanical properties, electrical insulation, chemical resistance, water resistance, weather resistance, ozone resistance, thermal stability, and adhesion. Therefore, this invention utilizes the above properties, and has a saturated or partially saturated main chain having 1.5 to 3 hydroxyl groups per molecule at the end of the molecule.
This adhesive composition is a mixture of 5 to 95% by weight of HCP and 95 to 5% by weight of CL-PP. Hereinafter, for this example, preparation of the sample, measurement results of peel strength, and application will be explained in order. [1] Preparation of Adhesive Composition Sample In order to confirm the effect of the adhesive composition of this example, each material was blended in Examples ~ in the weight percent shown in Table 1. The degree of chlorination of CL-PP is also listed in the same table.
【表】
さらに比較のために、ボンドG2(CR系接着
剤)を比較例とし、ボンドG103(NBR系接
着剤)を比較例として使用することにした。
なお上記比較例、における接着剤は、コニ
シ(株)製の商品名である。
〔2〕 剥離強さの測定
本実施例の接着剤組成物について、非極性高
分子材料に対する接着力を剥離試験によつて測
定した。同剥離試験は、20倍発泡で厚さが2mm
のポリエチレン樹脂(以下PEフオームという)
間に各接着剤を塗布し、室温硬化させてから行
なわれた。ただし実施例、については、同
接着剤をプライマとしてPEフオームの接着面
に各々塗布後、その間に末端イソシアナート基
を有するウレタンプレポリマを塗布し、室温硬
化させた後、前記同様の剥離試験を行なつた。
その結果を、表2に剥離強さ(PEフオーム
が破壊したときの値)として示した。[Table] For further comparison, we decided to use Bond G2 (CR adhesive) as a comparative example and Bond G103 (NBR adhesive) as a comparative example.
Note that the adhesive in the above comparative example is a product name manufactured by Konishi Co., Ltd. [2] Measurement of peel strength The adhesive strength of the adhesive composition of this example to a non-polar polymeric material was measured by a peel test. The same peel test was conducted with 20 times foaming and a thickness of 2 mm.
polyethylene resin (hereinafter referred to as PE foam)
Each adhesive was applied in between and allowed to cure at room temperature. However, in the example, after applying the same adhesive as a primer to the adhesive surface of the PE foam, a urethane prepolymer having terminal isocyanate groups was applied between them, and after curing at room temperature, the same peel test as above was performed. I did it. The results are shown in Table 2 as peel strength (value when PE foam breaks).
【表】
表2に明らかな通り、各実施例は比較例、
に比べて、接着力が大幅に高く、接着面間が
強いため破壊は全てPEフオーム内で進展した。
さらに、HCPは前述したように耐熱性に優
れているため、HCPが配合されている本実施
例の接着剤組成物の耐熱性も向上した。
〔3〕用 途
本実施例は、インストルメントパネル、スト
ーンガード、センタピラ等の非極性高分子材料
に、同非極性高分子材料又は他の材料を取着す
る接着剤としての用途がある。
その一例として、自動車ボデイ側面に装着さ
れる非極性高分子材料のサイドプロテクター
(以下単にサイドモールという)に光輝モール
を取付ける際に具体化したものについて、図面
に従つて説明する。
重量部率でPP77部、PE15部、EPR18部の配
合で形成されている非極性高分子材料のサイド
モール1は、断面くの字状の長尺体として形成
されており、その略中央部裏面側には掛止め部
1aが一体形成されている。同掛止め部1aの
前方には係止孔2が設けられている。さらにサ
イドモール1の上端には外側突部3、下端には
内側突部4が一体形成されている。サイドモー
ル1は、掛止め部1aに係止されるねじ5によ
つて、自動車ボデイー6に締付固定されてい
る。
また、同サイドモール1の上端部の外側に
は、装飾用の光輝モール7が両面粘着テープ8
とサイドモール1の表面に塗布されている接着
剤9によつて取付けられている。同光輝モール
7は、PVCにてなる基部10とクロム調テド
ラフイルムにてなる箔部11とを共押出するこ
とによつて形成されている。
前記両面粘着テープ8は、アクリルにて薄板
状に形成されたスポンジ12とその両面に塗布
されたアクリル粘着剤13とよりなつている。
同アクリル粘着剤13は、サイドモール1の非
極性高分子材料に対し粘着性が高くない。従つ
て、アクリル粘着剤13とサイドモール1との
間に接着剤9が介在されている。
同接着剤9には、本実施例の接着剤組成物が
使用でき、前記試験結果より明らかなように高
い接着力を得ることができる。
また、接着剤9の乾燥を早くする場合に、温
度をかけてもよい。この場合、従来の接着剤で
は、100℃以上になると接着剤が劣化してしま
う可能性があつた。しかし、本実施例の接着剤
は、前述したように耐熱性に優れているため、
100℃程度では劣化しにくい。ただし、モール
の耐熱性を考慮する必要がある。
なお、この発明は前記実施例の構成に限定さ
れるものではなく、例えば次のようにして具体
化できる。(1)本発明は、非極性高分子材料に対
する接着剤としての用途に限られるものではな
く、例えば塗料のプライマや他の材料に対する
接着剤等にも使用可能である。(2)本発明の接着
剤組成物を非極性高分子材料に対する別の接着
剤のプライマとして使用することも可能であ
る。
効 果
以上詳述したように、この発明は非極性高分子
材料に対しての接着力を大幅に高めることができ
る接着剤組成物として優れた発明である。[Table] As is clear from Table 2, each example is a comparative example,
Compared to the PE foam, the adhesive force was significantly higher and the bond between the bonding surfaces was strong, so all the fractures progressed within the PE foam. Furthermore, since HCP has excellent heat resistance as described above, the heat resistance of the adhesive composition of this example containing HCP was also improved. [3] Applications This example is used as an adhesive for attaching non-polar polymer materials or other materials to non-polar polymer materials such as instrument panels, stone guards, center pillars, etc. As an example, a specific example of attaching a bright molding to a side protector made of a non-polar polymer material (hereinafter simply referred to as a side molding) attached to the side surface of an automobile body will be described with reference to the drawings. The side molding 1, which is made of a non-polar polymer material and is made of a combination of 77 parts PP, 15 parts PE, and 18 parts EPR, is formed as a long body with a dogleg shape in cross section, and the back side of the approximately central part A latching portion 1a is integrally formed on the side. A locking hole 2 is provided in front of the locking portion 1a. Furthermore, an outer protrusion 3 is integrally formed at the upper end of the side molding 1, and an inner protrusion 4 is integrally formed at the lower end. The side molding 1 is fastened and fixed to the automobile body 6 by screws 5 that are engaged with the latching portions 1a. Also, on the outside of the upper end of the side molding 1, a decorative bright molding 7 is attached with double-sided adhesive tape 8.
and is attached by an adhesive 9 applied to the surface of the side molding 1. The bright molding 7 is formed by co-extruding a base portion 10 made of PVC and a foil portion 11 made of chrome-like Tedra film. The double-sided adhesive tape 8 is composed of a sponge 12 made of acrylic in the form of a thin plate and an acrylic adhesive 13 coated on both sides of the sponge 12.
The acrylic adhesive 13 does not have high adhesion to the non-polar polymer material of the side molding 1. Therefore, the adhesive 9 is interposed between the acrylic adhesive 13 and the side molding 1. The adhesive composition of this example can be used as the adhesive 9, and as is clear from the above test results, high adhesive strength can be obtained. Furthermore, in order to speed up the drying of the adhesive 9, heat may be applied. In this case, with conventional adhesives, there was a possibility that the adhesive would deteriorate at temperatures above 100°C. However, since the adhesive of this example has excellent heat resistance as mentioned above,
It does not deteriorate easily at around 100℃. However, it is necessary to consider the heat resistance of the molding. Note that the present invention is not limited to the configuration of the embodiment described above, and can be embodied as follows, for example. (1) The present invention is not limited to use as an adhesive for non-polar polymeric materials, but can also be used, for example, as a primer for paint or as an adhesive for other materials. (2) The adhesive composition of the present invention can also be used as a primer for another adhesive for non-polar polymeric materials. Effects As detailed above, this invention is an excellent invention as an adhesive composition that can significantly increase the adhesive strength to non-polar polymeric materials.
第1図は、本発明を非極性高分子材料のサイド
モールに光輝モールを取付ける用途に具体化した
断面図、第2図は取付部分拡大図である。
1……サイドモール、7……光輝モール、8…
…両面粘着テープ、9……接着剤。
FIG. 1 is a cross-sectional view of the present invention applied to attaching a bright molding to a side molding made of a non-polar polymer material, and FIG. 2 is an enlarged view of the attached portion. 1...Side mall, 7...Shining mall, 8...
...Double-sided adhesive tape, 9...Adhesive.
Claims (1)
有する主鎖の飽和又は部分的に飽和した炭化水素
系ポリマ5〜95重量%と、塩素化ポリプロピレン
95〜5重量%とよりなる接着剤組成物。 2 塩素化ポリプロピレンは、ベンゼン、トルエ
ン、キシレン等の溶剤に溶解されていることを特
徴とする特許請求の範囲第1項に記載の接着剤組
成物。[Scope of Claims] 1. 5 to 95% by weight of a main chain saturated or partially saturated hydrocarbon polymer having 1.5 to 3 hydroxyl groups per molecule at the end of the molecule, and chlorinated polypropylene
An adhesive composition consisting of 95 to 5% by weight. 2. The adhesive composition according to claim 1, wherein the chlorinated polypropylene is dissolved in a solvent such as benzene, toluene, or xylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12112084A JPS61277A (en) | 1984-06-12 | 1984-06-12 | Adhesive composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12112084A JPS61277A (en) | 1984-06-12 | 1984-06-12 | Adhesive composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61277A JPS61277A (en) | 1986-01-06 |
| JPH0124428B2 true JPH0124428B2 (en) | 1989-05-11 |
Family
ID=14803374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12112084A Granted JPS61277A (en) | 1984-06-12 | 1984-06-12 | Adhesive composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61277A (en) |
-
1984
- 1984-06-12 JP JP12112084A patent/JPS61277A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61277A (en) | 1986-01-06 |
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