JPH0458836B2 - - Google Patents
Info
- Publication number
- JPH0458836B2 JPH0458836B2 JP60211666A JP21166685A JPH0458836B2 JP H0458836 B2 JPH0458836 B2 JP H0458836B2 JP 60211666 A JP60211666 A JP 60211666A JP 21166685 A JP21166685 A JP 21166685A JP H0458836 B2 JPH0458836 B2 JP H0458836B2
- Authority
- JP
- Japan
- Prior art keywords
- block copolymer
- styrene block
- resin
- minutes
- copolymer resin
- 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 - Lifetime
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Description
産業上の利用分野
本発明は粘着付与剤組成物、更に詳しくは、ス
チレンブロツク共重合体樹脂と特定の粘着付与樹
脂を特定条件下で加熱混練したことから成り、例
えばホツトメルト接着剤に配合して優れた粘着力
を付与することができる組成物に関する。
従来技術
スチレンブロツク共重合体樹脂は熱可塑性ゴム
特性を有し、特に未加硫ゴムの易溶性と加硫ゴム
の優れたストレス・ストレイン特性を兼備し、そ
の優れた物理的・化学的性質から各種の分野で利
用されているが、更にその用途範囲の拡大が望ま
れつつある。
本発明者らは、このスチレンブロツク共重合体
樹脂の用途開発について検討を進めたところ、こ
れを特定の粘着付与樹脂の存在下、空気中で熱処
理を行つて分解させることにより、得られる組成
物が優れた粘着力を発揮することを見出し、本発
明を完成させるに至つた。
発明の構成と効果
すなわち、本発明は、スチレンブロツク共重合
体樹脂および水添テルペン樹脂を空気存在下170
〜220℃の温度で30〜150分間加熱混練したことか
ら成り、スチレンブロツク共重合体樹脂がスチレ
ン−イソプレン−スチレンブロツク共重合体樹脂
であることを特徴とする粘着付与剤組成物を提供
するものである。
本発明におけるスチレンブロツク共重合体樹脂
としては、スチレン−イソプレン−スチレンブロ
ツク共重合体樹脂（SIS樹脂と称す）、たとえば
シエル化学(株)製の「カリフレツクスTR−1107」
を使用する。
本発明における粘着付与樹脂としては、水添テ
ルペン樹脂を使用する。使用量は通常、スチレン
ブロツク共重合体樹脂100部（重量部、以下同様）
に対し５〜150部、好ましくは50〜100部の範囲で
選定すればよい。５部未満であると、所望の粘着
力が得られず、また150部を越えると、凝集力が
低下し、望ましい接着強度が得られない傾向にあ
る。
本発明に係る粘着付与剤組成物は、上記所定割
合のスチレンブロツク共重合体樹脂と水添テルペ
ン樹脂を配合し、これらを空気存在下170〜220℃
の温度にて30〜150分間、好ましくは45〜100分間
加熱混練することにより得られる系で構成され
る。かかる加熱混練によつて、スチレンブロツク
共重合体樹脂は空気酸化を受けて所望程度に分解
し、これが共存する水添テルペン樹脂と相乗的に
作用して粘着力の増強を発現するものと考えられ
る。なお、混練温度が150℃未満であると、酸化
の進行が極端に遅く、所望の粘着力が得られず、
特にたとえば混練時間が30分である場合は、後記
実施例で採用されるような、少なくとも170℃以
上の混練温度が必要であり、また220℃を越える
と、過度の酸化が起り、凝集力の低下が著しく、
また変色するので望ましくない。
このようにして得られる本発明組成物は、粘着
付与剤として、例えばホツトメルト接着剤に配合
することができる。
次に、実施例を挙げて本発明をより具体的に説
明する。
実施例 １
SIS樹脂（シエル化学(株)製、カリフレツクス
TR−1107、スチレン／イソプレン比＝14／86）
100部および水添テルペン樹脂（安原油脂(株)製、
クレアロンＭ−105）100部を空気存在下190℃で
30分間加熱混練して、均一な粘着付与剤組成物を
調製する。
実施例 ２
実施例１において混練時間を、45分、75分、90
分または120分に代える以外は、実施例１と同様
にして粘着付与剤組成物を調製する。
比較例 １
実施例１、２において空気雰囲気を窒素雰囲気
に代える以外は、実施例１、２と同様にして粘着
付与剤組成物を調製する。
実施例 ３
実施例１において混練純度を170℃または220℃
に代える以外は、実施例１と同様にして粘着付与
剤組成物を調製する。
比較例 ２
実施例１、３において空気雰囲気を窒素雰囲気
に代える以外は、実施例１、３と同様にして粘着
付与剤組成物を調製する。
粘着試験
実施例１〜３および比較例１、２で得られる組
成物について、ボールタツクをPSTC−６法に準
じて評価する。結果を表１、２に示す。
INDUSTRIAL APPLICATION FIELD The present invention is a tackifier composition, more specifically, it consists of a styrene block copolymer resin and a specific tackifying resin heated and kneaded under specific conditions, and is blended into, for example, a hot melt adhesive. The present invention relates to a composition that can provide excellent adhesive strength. Prior art Styrene block copolymer resin has thermoplastic rubber properties, and in particular combines the easy solubility of unvulcanized rubber with the excellent stress and strain properties of vulcanized rubber, and its excellent physical and chemical properties. Although it is used in various fields, it is desired to further expand its range of applications. The inventors of the present invention proceeded to study the development of uses for this styrene block copolymer resin, and found that a composition obtained by decomposing it by heat treatment in air in the presence of a specific tackifier resin. The present inventors have discovered that this material exhibits excellent adhesive strength, leading to the completion of the present invention. Structure and Effects of the Invention That is, the present invention provides styrene block copolymer resin and hydrogenated terpene resin in the presence of air.
To provide a tackifier composition obtained by heating and kneading at a temperature of ~220°C for 30 to 150 minutes, characterized in that the styrene block copolymer resin is a styrene-isoprene-styrene block copolymer resin. It is. The styrene block copolymer resin used in the present invention is a styrene-isoprene-styrene block copolymer resin (referred to as SIS resin), such as "Califlex TR-1107" manufactured by Ciel Chemical Co., Ltd.
use. As the tackifying resin in the present invention, a hydrogenated terpene resin is used. The amount used is usually 100 parts (parts by weight, same below) of styrene block copolymer resin.
The amount may be selected within the range of 5 to 150 parts, preferably 50 to 100 parts. When the amount is less than 5 parts, the desired adhesive strength cannot be obtained, and when it exceeds 150 parts, the cohesive force tends to decrease and the desired adhesive strength cannot be obtained. The tackifier composition according to the present invention is prepared by blending a styrene block copolymer resin and a hydrogenated terpene resin in the above-mentioned predetermined proportions, and heating them at a temperature of 170 to 220°C in the presence of air.
The system is obtained by heating and kneading at a temperature of 30 to 150 minutes, preferably 45 to 100 minutes. It is thought that by such heating and kneading, the styrene block copolymer resin undergoes air oxidation and decomposes to a desired degree, and this acts synergistically with the coexisting hydrogenated terpene resin to increase adhesive strength. . In addition, if the kneading temperature is less than 150°C, the progress of oxidation will be extremely slow, and the desired adhesive strength will not be obtained.
In particular, when the kneading time is 30 minutes, a kneading temperature of at least 170°C is required, as will be adopted in the examples below, and if it exceeds 220°C, excessive oxidation will occur and the cohesive force will be reduced. The decline is significant,
It is also undesirable because it discolors. The composition of the present invention thus obtained can be incorporated into, for example, a hot melt adhesive as a tackifier. Next, the present invention will be described in more detail with reference to Examples. Example 1 SIS resin (manufactured by Ciel Chemical Co., Ltd., Califrex)
TR-1107, styrene/isoprene ratio = 14/86)
100 parts and hydrogenated terpene resin (manufactured by Anyu Oil Co., Ltd.,
100 parts of Clairon M-105) at 190℃ in the presence of air.
A uniform tackifier composition is prepared by heating and kneading for 30 minutes. Example 2 In Example 1, the kneading time was changed to 45 minutes, 75 minutes, and 90 minutes.
A tackifier composition is prepared in the same manner as in Example 1, except that the time is changed to 120 minutes or 120 minutes. Comparative Example 1 A tackifier composition is prepared in the same manner as in Examples 1 and 2, except that the air atmosphere in Examples 1 and 2 is replaced with a nitrogen atmosphere. Example 3 In Example 1, the kneading purity was set to 170°C or 220°C.
A tackifier composition is prepared in the same manner as in Example 1, except that . Comparative Example 2 A tackifier composition is prepared in the same manner as in Examples 1 and 3, except that the air atmosphere in Examples 1 and 3 is replaced with a nitrogen atmosphere. Adhesion Test The compositions obtained in Examples 1 to 3 and Comparative Examples 1 and 2 are evaluated for ball tack according to the PSTC-6 method. The results are shown in Tables 1 and 2.
【表】【table】
【表】
比較例 ３
実施例１で使用のSIS樹脂と水添テルペン樹脂
を常温混練してなる組成物について、同様にボー
ルタツクを測定したところ、20cm以上のボールの
ころがり距離であり、粘着力の弱いのが認められ
る。[Table] Comparative Example 3 Regarding a composition obtained by kneading the SIS resin and hydrogenated terpene resin used in Example 1 at room temperature, the ball tack was similarly measured, and the ball rolling distance was 20 cm or more, indicating that the adhesive strength It is recognized that it is weak.
Claims (1)
ルペン樹脂を空気存在下170〜220℃の温度で30〜
150分間加熱混練したことから成り、スチレンブ
ロツク共重合体樹脂がスチレン−イソプレン−ス
チレンブロツク共重合体樹脂であることを特徴と
する粘着付与剤組成物。1 Styrene block copolymer resin and hydrogenated terpene resin are heated at a temperature of 170 to 220°C in the presence of air for 30 to 30 minutes.
1. A tackifier composition obtained by heating and kneading for 150 minutes, wherein the styrene block copolymer resin is a styrene-isoprene-styrene block copolymer resin.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21166685A JPS6270472A (en) | 1985-09-24 | 1985-09-24 | Tackifier composition |
| US06/902,654 US4734447A (en) | 1985-09-24 | 1986-09-02 | Hot-melt adhesive |
| EP86112413A EP0216238B1 (en) | 1985-09-24 | 1986-09-08 | Hot-melt adhesive |
| DE8686112413T DE3686013T2 (en) | 1985-09-24 | 1986-09-08 | HOT MELT ADHESIVE. |
| KR1019860007975A KR870003175A (en) | 1985-09-24 | 1986-09-24 | Adhesion imparting agent composition and high heat melting adhesive composition containing same |
| AU63106/86A AU587284B2 (en) | 1985-09-24 | 1986-09-24 | Hot-melt adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21166685A JPS6270472A (en) | 1985-09-24 | 1985-09-24 | Tackifier composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6270472A JPS6270472A (en) | 1987-03-31 |
| JPH0458836B2 true JPH0458836B2 (en) | 1992-09-18 |
Family
ID=16609581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21166685A Granted JPS6270472A (en) | 1985-09-24 | 1985-09-24 | Tackifier composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270472A (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4886940A (en) * | 1972-02-24 | 1973-11-16 | ||
| JPS54162737A (en) * | 1978-06-13 | 1979-12-24 | Kuraray Co Ltd | Hot-melt adhesive composition |
| JPS5586855A (en) * | 1978-12-26 | 1980-07-01 | Denki Kagaku Kogyo Kk | Pressure-sensitive adhesive composition |
| JPS5650978A (en) * | 1979-10-02 | 1981-05-08 | Asahi Chem Ind Co Ltd | Hot-melt sticking composition |
-
1985
- 1985-09-24 JP JP21166685A patent/JPS6270472A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6270472A (en) | 1987-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4734447A (en) | Hot-melt adhesive | |
| EP1597331B1 (en) | Adhesive composition and tapes and labels derived therefrom | |
| US6465557B1 (en) | Hot melt pressure sensitive positioning adhesive | |
| US5891957A (en) | Adhesive composition for skin adhesion and bandage applications | |
| KR20040055699A (en) | Hot melt adhesive based on acrylic block copolymers | |
| JPS6121251B2 (en) | ||
| ITMI932495A1 (en) | HOT MELI ADHESIVE COMPOSITIONS FOR SPECIAL APPLICATIONS BASED ON BLOCK COPOLYMERS | |
| JPS56100877A (en) | Hot melt sticking composition | |
| US20070249781A1 (en) | Low Hot-Melt Viscosity Adhesive Composition for Non-Wovens | |
| CN110699021A (en) | Special hot-melt pressure-sensitive adhesive for surgical hole towel and preparation method thereof | |
| JPH03160083A (en) | Hot-melt adhesive composition | |
| JPH0458836B2 (en) | ||
| CA1146299A (en) | Pressure sensitive adhesive composition and article | |
| WO1994001507A1 (en) | Improved elastomeric hot melt pressure sensitive adhesive composition | |
| EP0629676B1 (en) | Functionalized radial styrene-isoprene copolymers | |
| EP1449898A1 (en) | Adhesive composition and tapes and labels derived therefrom | |
| JPS62151481A (en) | Hot-melt adhesive | |
| JPH046749B2 (en) | ||
| JPS6219471B2 (en) | ||
| JPS61205209A (en) | Ointment for cataplasm | |
| JPH046748B2 (en) | ||
| JPS61264055A (en) | Novel resin composition | |
| JPS5933146B2 (en) | Hot melt adhesive composition | |
| JPS584752B2 (en) | Netsukatsusenenchaxoseibutsu | |
| JPH01306449A (en) | Hot-melt composition |