阅读说明：本技术 新能源汽车车门导水板降噪保温用材料及其制造工艺 (New energy automobile door water guide plate noise reduction and heat insulation material and manufacturing process thereof ) 是由 丁荣华 仇培清 李霞 花金旦 雷伟 薛小骏 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种新能源汽车车门导水板降噪保温用材料及其制造工艺,该降噪保温用材料包括：微米级闭孔泡棉、第一PE阻燃薄膜和第二PE阻燃薄膜,所述的微米级闭孔泡棉的正面贴合第一PE阻燃薄膜,微米级闭孔泡棉的反面贴合第二PE阻燃薄膜。其制造工艺：放卷第一PE阻燃薄膜、微米级闭孔泡棉和第二PE阻燃薄膜；第一PE阻燃薄膜、微米级闭孔泡棉和第二PE阻燃薄膜从上往下依次叠合铺平传送；采用红外线加热,辊压贴合；冷却,检验,收卷,入库。本发明可以节约新能源汽车的电能,使得电动车的车速和旅程不受影响,使得汽车内温暖舒适,隔音降噪效果好,驾驶人员不易疲劳,使得行车更安全和消费者身心更健康,推动新能源汽车的发展。(The invention discloses a noise-reducing and heat-insulating material for a new energy automobile door water guide plate and a manufacturing process thereof, wherein the noise-reducing and heat-insulating material comprises the following components in parts by weight: the flame-retardant PE film comprises micron-sized closed-cell foam, a first PE flame-retardant film and a second PE flame-retardant film, wherein the first PE flame-retardant film is attached to the front side of the micron-sized closed-cell foam, and the second PE flame-retardant film is attached to the back side of the micron-sized closed-cell foam. The manufacturing process comprises the following steps: unreeling a first PE flame-retardant film, micron-sized closed-cell foam and a second PE flame-retardant film; the first PE flame-retardant film, the micron-sized closed-cell foam and the second PE flame-retardant film are sequentially overlapped, paved and conveyed from top to bottom; heating by infrared rays, and rolling and laminating; and cooling, inspecting, rolling and warehousing. The invention can save the electric energy of the new energy automobile, so that the speed and the journey of the electric automobile are not influenced, the automobile is warm and comfortable, the sound insulation and noise reduction effects are good, a driver is not easy to fatigue, the driving is safer, the body and mind of a consumer are healthier, and the development of the new energy automobile is promoted.)

1. The utility model provides a new energy automobile door water deflector material for heat preservation of making an uproar falls which characterized in that includes: the flame-retardant PE film comprises micron-sized closed-cell foam, a first PE flame-retardant film and a second PE flame-retardant film, wherein the first PE flame-retardant film is attached to the front side of the micron-sized closed-cell foam, and the second PE flame-retardant film is attached to the back side of the micron-sized closed-cell foam.

2. The noise-reducing and heat-insulating material for the new energy automobile door water deflector according to claim 1, wherein the micron-sized closed-cell foam is XPE micron-sized closed-cell foam or PE micron-sized closed-cell foam.

3. The noise-reducing and heat-insulating material for the water deflector of the new energy automobile door is characterized in that the thickness of the micron-sized closed-cell foam is 0.5-8 mm.

4. The noise-reducing and heat-insulating material for the vehicle door water deflector of the new energy automobile as claimed in claim 1, wherein the thickness of the first PE flame-retardant film is 0.1 mm-2 mm.

5. The noise-reducing and heat-insulating material for the water guide plate of the new energy automobile door as claimed in claim 1, wherein the thickness of the second PE flame-retardant film is 0.1 mm-2 mm.

6. The manufacturing process of the noise-reducing and heat-insulating material for the water guide plate of the new energy automobile door as claimed in claim 1 is characterized by comprising the following steps:

(1) unreeling a first PE flame-retardant film, micron-sized closed-cell foam and a second PE flame-retardant film;

(2) the first PE flame-retardant film, the micron-sized closed-cell foam and the second PE flame-retardant film are sequentially overlapped, paved and conveyed from top to bottom;

(3) heating by infrared rays, and rolling and laminating;

(4) and cooling, inspecting, rolling and warehousing.

7. The manufacturing process according to claim 6, wherein the conveying speed in the step (2) is 3m/min to 5 m/min.

8. The manufacturing process according to claim 6, wherein the infrared heating temperature in the step (3) is controlled to be 99-105 ℃, and the heating time is 2-6 min.

9. The manufacturing process according to claim 6, wherein the rolling and attaching in the step (3) comprises the following specific steps: firstly, adjusting the gap of a press roller to be smaller than the total thickness of the materials before lamination, wherein the gap is smaller than the total thickness of the materials before lamination by 0.2-0.3 mm, and carrying out roll lamination, wherein the conveying speed of the laminated roll material is 1-3 m/min.

10. The manufacturing process according to claim 6, wherein the cooling time in the step (4) is 10-15 min after the cooling to room temperature.

Technical Field

The invention relates to the technical field of noise reduction and heat preservation, in particular to a noise reduction and heat preservation material for a new energy automobile door water guide plate and a manufacturing process thereof.

Background

At present, the door of a middle-low grade automobile only uses a single-layer PE film as a door waterproof plate film, the door waterproof plate film made of the single-layer PE film has no sound insulation, sound absorption, noise reduction and heat insulation effects, and the energy consumption of a new energy automobile using the door waterproof plate film made of the single-layer PE film is too high, so that a user can feel comfortable only by needing a high-power air conditioner in summer or winter, the electric energy of the new energy automobile is excessively consumed, the speed of the new energy automobile cannot be improved, and the driving journey after each charging is shortened. The automobile door waterproof plate film made of the single-layer PE film has high automobile noise, and the noise is easy to cause fatigue, so that the driving safety and the physical and mental health of consumers are influenced.

Disclosure of Invention

The invention mainly solves the technical problem of providing the noise-reducing and heat-insulating material for the water guide plate of the new energy automobile door and the manufacturing process thereof, which can save the electric energy of the new energy automobile, ensure that the speed and journey of the electric automobile are not influenced, ensure that the automobile is warm and comfortable, have good sound-insulating and noise-reducing effects, ensure that a driver is not easy to fatigue, ensure that the automobile is safer to drive and the body and mind of a consumer are healthier, and promote the development of the new energy automobile.

In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a new energy automobile door water deflector material for heat preservation of making an uproar falls, includes: the flame-retardant PE film comprises micron-sized closed-cell foam, a first PE flame-retardant film and a second PE flame-retardant film, wherein the first PE flame-retardant film is attached to the front side of the micron-sized closed-cell foam, and the second PE flame-retardant film is attached to the back side of the micron-sized closed-cell foam.

In a preferred embodiment of the present invention, the micron-sized closed-cell foam is XPE micron-sized closed-cell foam or PE micron-sized closed-cell foam.

In a preferred embodiment of the present invention, the thickness of the micron-sized closed-cell foam is 0.5mm to 8 mm.

In a preferred embodiment of the present invention, the thickness of the first PE flame retardant film is 0.1mm to 2 mm.

In a preferred embodiment of the present invention, the thickness of the second PE flame retardant film is 0.1mm to 2 mm.

The PE foam (polyethylene crosslinked) is also called bridging foam, is a novel environment-friendly material, and has the characteristics of no toxicity, no odor, sound insulation, sound absorption, heat insulation, no pollution to the atmosphere during burning, good resilience, capability of randomly adjusting the hardness and thickness, light weight and the like.

XPE (polyethylene cross-linking) also known as bridging foaming cotton is a novel environmental protection material, and is nontoxic, tasteless, give sound insulation, inhale the sound, it is thermal-insulated, to the atmosphere pollution-free during burning, the resilience force is good, can adjust soft or hard degree and thickness at will, characteristics such as weight quantification gently are other foaming cotton class materials do not have the substitutable, but hot briquetting, also can produce fire-retardant type, be applicable to the motion protective equipment, handbag case and bag, the car, aerospace, building, shoes material, the toy, the air conditioner, petroleum pipeline keeps warm etc..

In order to solve the technical problem, the invention adopts another technical scheme that: the manufacturing process of the noise-reducing and heat-insulating material for the water guide plate of the new energy automobile door comprises the following steps:

(1) unreeling a first PE flame-retardant film, micron-sized closed-cell foam and a second PE flame-retardant film;

(2) the first PE flame-retardant film, the micron-sized closed-cell foam and the second PE flame-retardant film are sequentially overlapped, paved and conveyed from top to bottom;

(3) heating by infrared rays, and rolling and laminating;

(4) and cooling, inspecting, rolling and warehousing.

In a preferred embodiment of the present invention, the conveying speed in step (2) is 3m/min to 5 m/min.

In a preferred embodiment of the present invention, the infrared heating temperature in step (3) is controlled to be 99-105 ℃, and the heating time is 2-6 min.

In a preferred embodiment of the present invention, the rolling and bonding in step (3) specifically comprises the following steps: firstly, adjusting the gap of a press roller to be smaller than the total thickness of the materials before lamination, wherein the gap is smaller than the total thickness of the materials before lamination by 0.2-0.3 mm, and carrying out roll lamination, wherein the conveying speed of the laminated roll material is 1-3 m/min.

In a preferred embodiment of the present invention, the cooling time in step (4) is 10min to 15min after cooling to room temperature.

Infrared heating belongs to the heat radiation, and it is high mainly because the thermal effect of infrared ray to use infrared heating, and when using infrared heater, so do not have the heat-conduction because of direct contact, indirect some heat transfer that has through air convection, but can not account for a lot, and most important is the heat radiation of the infrared ray of production still. The infrared ray does not contact with superficial heating, so that the thermal deformation of the micropore structure can be avoided.

The invention has the beneficial effects that: the invention adopts the three-layer laminated material of the infrared heating laminated high-density PE flame-retardant film on the front and back surfaces of XPE or PE micron-sized closed-cell foam, the noise-reducing and heat-insulating material not only keeps the excellent protective performance of the high-density PE film against rainwater penetration, but also greatly improves the sound-insulating and noise-reducing capabilities, and the heat conductivity coefficient of the middle XPE or PE micron-sized closed-cell foam is lower than 0.037w/m.k, so that the noise-reducing and heat-insulating material is a novel environment-friendly material with excellent heat-insulating effect, is nontoxic, tasteless, sound-insulating, sound-absorbing, heat-insulating, free from pollution to the atmosphere during burning, good in resilience, and capable of randomly adjusting the hardness; the noise-reduction and heat-insulation material is low in cost, non-toxic and flame-retardant, the sound-insulation and noise-reduction and energy-saving and heat-insulation effects are obviously improved, and the noise-reduction and heat-insulation material can be widely applied to the aspects of rain prevention, sound insulation and noise reduction, electric energy saving, heat insulation and the like of new energy automobiles, and can meet the rising of the new energy automobiles, so that the noise-reduction and heat-insulation material has huge market demands.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of the noise-reducing and heat-insulating material for the water deflector of the new energy automobile door;

the parts in the drawings are numbered as follows: 1. micron-sized closed-cell foam, 2, a first PE flame-retardant film, 3 and a second PE flame-retardant film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Please refer to FIG. 1

Example 1

The utility model provides a new energy automobile door water deflector material for heat preservation of making an uproar falls, includes: the flame-retardant PE foam comprises micron-sized closed-cell foam 1, a first PE flame-retardant film 2 and a second PE flame-retardant film 3, wherein the front side of the micron-sized closed-cell foam 1 is attached to the first PE flame-retardant film 2, and the back side of the micron-sized closed-cell foam 1 is attached to the second PE flame-retardant film 3.

Micron order obturator bubble 1 be XPE micron order obturator bubble cotton, its thickness is 0.5mm, the thickness of first PE fire-retardant film 2 is 0.1mm, the thickness of second PE fire-retardant film 3 is 0.1 mm.

The manufacturing process of the noise-reducing and heat-insulating material for the water guide plate of the new energy automobile door comprises the following steps:

(1) unreeling a first PE flame-retardant film 2, micron-sized closed-cell foam 1 and a second PE flame-retardant film 3;

(2) the first PE flame-retardant film 2, the micron-sized closed-cell foam 1 and the second PE flame-retardant film 3 are sequentially overlapped, paved and conveyed from top to bottom, and the conveying speed is 3 m/min;

(3) firstly, adjusting the gap of a press roller to be smaller than the total thickness of the materials before lamination, wherein the gap is smaller than the total thickness of the materials before lamination by less than 0.2mm, carrying out rolling lamination by adopting infrared heating at 99 ℃ for 6min, and the conveying speed of the laminated rolled materials is 1 m/min;

(4) cooling to room temperature for 10min, inspecting, rolling, and storing.