Modified self-adhesive EVA chip and wall repairing tape, and production methods thereof

[0024] The modified self-adhesive EVA film is made of raw materials containing the following parts by weight: EVA resin: 100 parts, synthetic rubber (SIS): 6 parts, tackifier: 13 parts, petroleum resin: 5 parts, terpene resin T120: 8 parts, coupling agent: 5 parts

[0025] A modified self-adhesive EVA wall repair tape, the material includes a three-layer structure: from top to bottom: non-woven fabric, modified self-adhesive EVA film and isolation layer; the width of the product is 300mm;

[0026] The modified self-adhesive EVA film is prepared through a polymer material molding process.

[0027] A preparation method of a modified self-adhesive EVA wall repair tape comprises the following steps:

[0028] (1) EVA resin, synthetic rubber (SIS), tackifier, petroleum resin, terpene resin, and coupling agent are dropped into the mixer at room temperature and pre-mixed to obtain a preliminary mixed base material;

[0029] (2) the primary mixed base material that described step (1) ob

[0038] The modified self-adhesive EVA film is made of raw materials containing the following parts by weight: EVA resin: 100 parts, synthetic rubber (SIS): 10 parts, tackifier: 15 parts, petroleum resin: 8 parts, terpene resin T120: 9 parts, coupling agent: 5 parts

[0039] A modified self-adhesive EVA wall repair tape, the material includes a three-layer structure: from top to bottom: non-woven fabric, modified self-adhesive EVA film and isolation layer; the width of the product is 300mm;

[0040] The modified self-adhesive EVA film is prepared through a polymer material molding process.

[0041] A preparation method of a modified self-adhesive EVA wall repair tape, the method comprises the steps of:

[0042] A preparation method of a modified self-adhesive EVA wall repair tape comprises the following steps:

[0043] (1) EVA resin, synthetic rubber (SIS), tackifier, petroleum resin, terpene resin, and coupling agent are dropped into the mixer at room temperature and pre-mixed

[0053]The modified self-adhesive EVA film is made of raw materials containing the following parts by weight: EVA resin: 100 parts, synthetic rubber (SIS): 12 parts, tackifier: 18 parts, petroleum resin: 10 parts, terpene resin T120: 11 parts, coupling agent: 5 parts

[0054] A modified self-adhesive EVA wall repair tape, the material includes a three-layer structure: from top to bottom: non-woven fabric, modified self-adhesive EVA film and isolation layer; the width of the product is 300mm;

[0055] The modified self-adhesive EVA film is prepared through a polymer material molding process.

[0056] A preparation method of a modified self-adhesive EVA wall repair tape, the method comprises the steps of:

[0057] A preparation method of a modified self-adhesive EVA wall repair tape comprises the following steps:

[0058] (1) EVA resin, synthetic rubber (SIS), tackifier, petroleum resin, terpene resin, and coupling agent are dropped into the mixer at room temperature and pre-mixed