CN217124179U

CN217124179U - Lapping adhesive tape for pre-laying waterproof coiled material

Info

Publication number: CN217124179U
Application number: CN202120949802.2U
Authority: CN
Inventors: 苏忠毅; 安文峰; 王超群
Original assignee: Beijing Oriental Yuhong Waterproof Technology Co Ltd
Current assignee: Beijing Oriental Yuhong Waterproof Technology Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-08-05
Anticipated expiration: 2031-05-06

Abstract

The utility model belongs to the bonding material field discloses a lap joint sticky tape for spreading waterproofing membrane in advance. The lap joint adhesive tape is sequentially provided with an adhesive tape base material layer, a self-adhesive layer and an isolation film layer from bottom to top; optionally, a dividing line is arranged on the isolation film layer to divide the isolation film layer into two parts. The utility model provides a to piecing together adhesive tape with high strength and convenience can be used to the overlap joint of the minor face (or do not have the limit in overlap joint region) overlap joint, temporary fixation and the processing of detail node of pre-paved waterproofing membrane.

Description

Lapping adhesive tape for pre-laying waterproof coiled material

Technical Field

The utility model belongs to the bonding material field specifically, relates to a lap joint sticky tape for spreading waterproofing membrane in advance.

Background

The pre-laid waterproof coiled material is specially developed for underground and tunnel engineering, is formed from main body material, self-adhesive glue, surface anti-sticking (anti-sticking) protective layer (except coiled material overlap zone) and isolating material (when it is required), and can be stuck with post-poured concrete so as to prevent water from running on the stuck surface.

The production of the pre-paved waterproof roll is generally in production line type, a lap joint area is preset during production, namely, a lap joint edge is arranged along the production direction, and the roll is cut at a fixed length according to the requirements of customers. When the pre-laid waterproof roll reaches the construction site, the lapping region is not preset on one shorter side, and therefore great difficulty exists when different pre-laid waterproof rolls are lapped with each other.

The utility model discloses aim at developing a purpose-built overlap joint sticky tape. When the pre-paved waterproof coiled material is lapped, when any one side needs to be lapped, the pre-paved waterproof coiled material can be directly bonded and connected, and when the pre-paved waterproof coiled material needs to be temporarily fixed and detailed joints need to be processed, the construction can be rapidly carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lap joint sticky tape for spreading waterproofing membrane in advance to prior art not enough. The utility model provides a to piecing together adhesive tape with high strength and convenience can be used to the overlap joint of the minor face (or do not have the limit in overlap joint region) overlap joint, temporary fixation and the processing of detail node of pre-paved waterproofing membrane.

In order to achieve the purpose, the utility model provides a lap joint adhesive tape for pre-laying waterproof coiled materials, which is provided with an adhesive tape substrate layer, a self-adhesive layer and an isolation film layer from bottom to top in sequence; optionally, a dividing line is arranged on the isolation film layer to divide the isolation film layer into two parts.

Preferably, the isolation film layer is provided with a dividing line which divides the isolation film layer into two equal parts.

Preferably, the material of the adhesive tape base material layer is at least one of HDPE, TPO, EVA, ECB and EPDM.

Preferably, the thickness of the adhesive tape base material layer is 0.7-2.0 mm.

Preferably, the material of the self-adhesive layer is hot-melt pressure-sensitive adhesive and/or light-cured adhesive.

Preferably, the hot melt pressure sensitive adhesive is at least one of an SBC hot melt pressure sensitive adhesive, a polyisobutylene-based adhesive, a butyl-based adhesive, and an acrylic-based adhesive.

Preferably, the SBC hot melt pressure sensitive adhesive is at least one of a styrene-isoprene-styrene based adhesive, a styrene-ethylbutylene-styrene based adhesive, a styrene-butadiene-styrene based adhesive, and a styrene-butadiene rubber based adhesive.

Preferably, the thickness of the self-adhesive layer is 0.2-0.5 mm.

Preferably, the barrier film layer is selected from at least one of PE, PET and silicon-coated barrier materials, preferably the barrier film layer is PE.

Preferably, the thickness of the isolation film layer is 0.03-0.15 mm.

The technical scheme of the utility model beneficial effect as follows:

(1) the utility model discloses a lap joint sticky tape for laying waterproofing membrane in advance, on the one hand, the sticky tape substrate layer adopts the polymer sheet, provides the support for the lap joint sticky tape, can improve the intensity of sticky tape itself by a wide margin, and the self-adhesive glue layer chooses for use hot melt pressure sensitive adhesive, has very strong bonding power, and relies on external force to press during the bonding and can reach excellent bonding effect; the isolation film layer can facilitate storage and transportation of the lap joint adhesive tape, a dividing line is arranged in the middle of the isolation film layer, so that the isolation film layer can be orderly disconnected from the middle, and alignment and bonding are realized during construction.

(2) The utility model provides a to piecing together adhesive tape with high strength and convenience can be used to the overlap joint of the minor face (or do not have the limit in overlap joint region) overlap joint, temporary fixation and the processing of detail node of pre-paved waterproofing membrane. When the coiled materials at any position need to be lapped, the coiled materials can be directly cut according to the required size for use, and the pre-paved waterproof coiled materials can be fixed in an auxiliary mode when the vertical surfaces or the side walls are temporarily fixed. The construction efficiency of the pre-paved waterproof coiled material can be greatly improved, and the construction period is shortened.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.

Fig. 1 shows a schematic structural diagram of an overlapping adhesive tape for pre-laying a waterproof roll.

The reference numerals are explained below:

1. adhesive tape substrate layer, 2, self-adhesive layer, 3, isolation film layer, 4, parting line.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The utility model provides a lap joint adhesive tape for pre-laying waterproof coiled materials, which is provided with an adhesive tape base material layer, a self-adhesive layer and an isolation film layer from bottom to top in sequence; optionally, a dividing line is arranged on the isolation film layer to divide the isolation film layer into two parts.

In one example, the isolation film layer is provided with a dividing line which divides the isolation film layer into two equal parts, so that the isolation film can be regularly disconnected from the middle, and construction is facilitated.

In one example, the material of the tape substrate layer is at least one of HDPE, TPO, EVA, ECB, and EPDM.

In one example, the thickness of the adhesive tape substrate layer is 0.7-2.0 mm.

In one example, the material of the self-adhesive layer is hot-melt pressure-sensitive adhesive and/or light-curing adhesive.

In one example, the hot melt pressure sensitive adhesive is at least one of an SBC hot melt pressure sensitive adhesive, a polyisobutylene-based adhesive, a butyl-based adhesive, and an acrylic-based adhesive.

In one example, the SBC hot melt pressure sensitive adhesive is at least one of a styrene-isoprene-styrene (SIS) -based adhesive, a styrene-ethylenebutylene-styrene (SEBS) -based adhesive, a styrene-butadiene-styrene (SBS) -based adhesive, and a styrene-butadiene rubber (SBR) -based adhesive.

In one example, the thickness of the self-adhesive layer is 0.2-0.5 mm.

In one example, the barrier film layer is selected from at least one of PE, PET, and silicon-coated barrier materials, preferably the barrier film layer is PE.

In one example, the thickness of the barrier film layer is 0.03-0.15 mm.

The present invention will be described in detail with reference to examples.

Example 1

The embodiment provides a lap joint tape for pre-laying a waterproof roll, as shown in fig. 1, the lap joint tape is sequentially provided with a tape substrate layer 1, a self-adhesive layer 2 and an isolation film layer 3 from bottom to top; a dividing line 4 for dividing the isolation film layer into two parts is arranged in the middle of the isolation film layer, so that the isolation film can be regularly disconnected from the middle, and construction is facilitated.

The adhesive tape base material layer 1 is made of HDPE, and the thickness is 0.75 mm;

the self-adhesive layer 2 is made of styrene-isoprene-styrene (SIS) adhesive and has a thickness of 0.35 mm;

the isolation film layer 3 is selected from a PE isolation film and is 0.05mm thick.

Example 2

The adhesive tape base material layer 1 is made of HDPE, and the thickness of the adhesive tape base material layer is 1.1 mm;

the self-adhesive layer 2 is made of a butyl adhesive and has the thickness of 0.4 mm;

the isolation film layer 3 is selected from a PET isolation film and is 0.1mm in thickness.

While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A lapping tape for pre-laying a waterproof coiled material is characterized in that a tape substrate layer, a self-adhesive layer and an isolation film layer are sequentially arranged on the lapping tape from bottom to top; optionally, a dividing line is arranged on the isolation film layer to divide the isolation film layer into two parts.

2. The splicing tape for pre-laying waterproofing membrane according to claim 1, characterized in that said barrier film layer is provided with a dividing line dividing said barrier film layer into two equal parts.

3. The splicing tape for pre-spread waterproofing membrane according to claim 1 or 2, characterized in that the material of the tape substrate layer is one of HDPE, TPO, EVA, ECB and EPDM.

4. The splicing tape for pre-spread waterproofing membrane according to claim 1 or 2, characterized in that the thickness of the tape substrate layer is 0.7-2.0 mm.

5. The splicing tape for pre-paved waterproof rolls as claimed in claim 1 or 2, wherein the material of the self-adhesive layer is hot-melt pressure-sensitive adhesive or light-cured adhesive.

6. The splicing tape for pre-applied waterproofing membrane according to claim 5, wherein said hot melt pressure sensitive adhesive is one of SBC hot melt pressure sensitive adhesive, polyisobutylene based adhesive, butyl based adhesive and acrylic based adhesive.

7. The splicing tape for pre-applied waterproofing membrane according to claim 6, wherein said SBC hot melt pressure sensitive adhesive is one of styrene-isoprene-styrene based adhesive, styrene-ethylbutylene-styrene based adhesive, styrene-butadiene-styrene based adhesive and styrene-butadiene rubber based adhesive.

8. The splicing tape for pre-applied waterproofing membrane according to claim 1 or 2, wherein the thickness of the self-adhesive layer is 0.2 to 0.5 mm.

9. The splicing tape for pre-applied waterproofing membrane according to claim 1 or 2, wherein said barrier film layer is one selected from PE, PET and silicon-coated barrier material.

10. The splicing tape for pre-applied waterproofing membrane according to claim 9, wherein said barrier film layer is PE.

11. The splicing tape for pre-spread waterproofing membrane according to claim 1 or 2, wherein the thickness of the barrier film layer is 0.03 to 0.15 mm.