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A kind of aluminum ceiling film structure and its aluminum ceiling structure

A ceiling and adhesive film technology, applied in adhesives, building components, building structures, etc., can solve problems such as unstable bonding strength and service life, reduced bonding strength and bonding durability of aluminum ceilings, and achieve enhanced overall Compatibility, crystal point reduction, and viscosity reduction effects

Active Publication Date: 2022-06-21
HEYUAN PLG MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the increase of production speed, the time for the adhesive to bond is reduced, and the bonding strength and bonding durability will inevitably decrease, which will bring greater instability to the bonding strength and service life of the aluminum ceiling.

Method used

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  • A kind of aluminum ceiling film structure and its aluminum ceiling structure
  • A kind of aluminum ceiling film structure and its aluminum ceiling structure
  • A kind of aluminum ceiling film structure and its aluminum ceiling structure

Examples

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preparation example Construction

[0046] The present invention also provides a preparation method of the adhesive resin for aluminum ceiling, the method comprises: after mixing the raw materials uniformly according to the formula ratio, and then granulating by a reaction type twin-screw extruder, the main engine speed is 300 -500rpm, the length-diameter ratio of the twin-screw extruder is L:D≥44:1, and the extrusion processing temperature range is 130-220℃.

[0047] In a specific embodiment of the present invention, the PE of the PE layer 2 is mica-modified and colored PE, and the mica is added in an amount of 10-20% by weight.

[0048] In the specific embodiment of the present invention, the adhesive film structure adopts a three-layer structure. In terms of weight ratio, the adhesive resin layer 11 (30 wt %) is the first layer, and the PE layer 12 includes two identical PE layers. Their contents are respectively 35wt%, in other specific embodiments, each weight ratio can be adjusted according to the actual s...

Embodiment 1-5

[0052] Preparation of polyethylene graft masterbatch:

[0053] The polyethylene graft masterbatch of Examples 1-5, according to the following formula ratio (weight percentage), MLLDPE: LDPE: homopolymer PP: bis-2,5-hexane original: maleic anhydride=95:2:3: 0.025:1, the basic physical properties of the obtained masterbatch are as follows:

[0054] Melt Index (190℃ / 2.16Kg): 2.4; Density (g / cm3): 0.915; Yield Strength (MPa): 6.7; Breaking Strength (Mpa): 30.2; Elongation at Break (%): 70%; Shore Hardness (Shore D): 45 After mixing evenly, it is prepared by extruding and granulating through a reaction-type twin-screw extruder to implement a plasticizing blending process. 44:1, extrusion processing temperature range 80-210℃.

[0055] Preparation of Adhesive Resin for Aluminum Ceiling

[0056] The adhesive resins for aluminum ceilings of Examples 1-5 are prepared by extruding and granulating through a twin-screw extruder to implement a plasticizing blending process after mixing t...

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Abstract

The invention discloses an aluminum ceiling adhesive film structure. The adhesive film structure includes an adhesive resin layer and a PE layer. In the adhesive resin layer of the adhesive film structure, high-impact polystyrene is introduced into the formula system (HIPS), which effectively improves the separation of polarity and non-polarity in the bonding resin, is conducive to improving the speed of bonding reaction, thereby improving production efficiency.

Description

technical field [0001] The invention belongs to the field of hot melt adhesive films, and particularly relates to an aluminum ceiling adhesive film structure and an aluminum ceiling structure. Background technique [0002] Aluminum ceiling is a general term for decorative indoor roofing materials. In the past, traditional dwellings mostly used straw mats, reed mats, and wooden boards as the main materials. With the advancement of technology, more modern building materials have been applied. Aluminum ceilings are mainly used in airports, stations, office buildings, shopping malls, subway stations and residences. [0003] The surface of the aluminum ceiling is treated by a special process, which is anti-static, dust-free, and dust-free, which can completely meet the requirements of high-precision electronic workshops, hospital operating rooms, biological laboratories and other high-dust-free and high-clean places. The surface treatment process of aluminum ceiling is mainly f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J7/30C09J7/24C09J123/06C09J151/06C09J123/08C09J151/04C09J11/08C09J11/06E04B9/04
CPCC09J7/30C09J7/243C09J123/06C09J11/08C09J11/06E04B9/04C08L2205/035C08L2205/025C08L2205/02C09J2423/046C09J2423/04C08L51/06C08L23/0815C08L23/0853C08L53/02C08L51/04C08K5/1345
Inventor 范德辉黄昌政
Owner HEYUAN PLG MATERIALS