CN102529261A - Light reflection film - Google Patents

Light reflection film Download PDF

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Publication number
CN102529261A
CN102529261A CN2011104228530A CN201110422853A CN102529261A CN 102529261 A CN102529261 A CN 102529261A CN 2011104228530 A CN2011104228530 A CN 2011104228530A CN 201110422853 A CN201110422853 A CN 201110422853A CN 102529261 A CN102529261 A CN 102529261A
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light reflecting
reflecting membrane
thin composite
material body
mass ratio
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CN102529261B (en
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刁锐敏
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MIANYANG LONGHUA FILM CO Ltd
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MIANYANG LONGHUA FILM CO Ltd
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Abstract

The invention discloses a light reflection film, which comprises a high polymer material body (110) and further comprises a coating structure (140). The coating structure (140) is coated on one face of the high polymer material body (110). The light reflection film optimizes the structure of the light reflection film, simplifies manufacture process, reduces cost, has excellent weather fastness and meets requirements of outdoor use for a long time through improvement of a coating layer coated on the light reflection film and material components.

Description

Light reflecting membrane
Technical field
The present invention relates to a kind of reflectorized material, be specifically related to a kind of light reflecting membrane.
Background technology
Reflectorized material is widely used in products such as sign, label, and the enhancing of Along with people's awareness of safety, is progressively enlarging at labour protection articles for use that guarantees personal safety and the consumption on other products for civilian use.A kind of as in the reflectorized material of light reflecting membrane is used on the traffic sign more.Traffic sign is used out of doors and enormous amount mostly, and this requires light reflecting membrane that higher combination property is arranged, and mainly concentrates on the high weatherability and processability.
Mostly the light reflecting membrane of existing application on traffic sign is the plural layers with laminating type production; The light reflecting membrane of laminating type production comprises substrate, adhesive layer and polymethyl methacrylate film layer, be with adhesive bonding applying weatherability preferably polymethyl methacrylate film protect polycarbonate substrate.But; Applying is protected the polymethyl methacrylate film of usefulness to prepare separately in advance and is drawn; And the resin binder that is used to prepare polymethyl methacrylate film must carry out necessary toughening modifying; Otherwise can be big owing to unmodified polymethyl methacrylate fragility, reason such as sensitiveness height, light reflecting membrane can't be reached makes and instructions for use.Owing to need prepare polymethyl methacrylate film in advance and carry out toughening modifying,, and must the difficulty of processing technology and the cost of light reflecting membrane have further been increased with the adhesive applying that bonds so the cost of this film is very high.
Summary of the invention
The invention provides a kind of light reflecting membrane, solved prior art and made light reflecting membrane cost height, processing technology complicated problems.
For solving above-mentioned technical problem, the present invention adopts following technical scheme:
A kind of light reflecting membrane comprises the macromolecular material body, and described light reflecting membrane also comprises coating structure, and described coating structure is coated on the face of macromolecular material body.
Further technical scheme is also to be provided with THIN COMPOSITE rete one between the macromolecular material body of above-mentioned light reflecting membrane and the coating structure.
Further technical scheme is that above-mentioned macromolecular material body also is provided with THIN COMPOSITE rete two on the face relative with the face that is provided with THIN COMPOSITE rete one.
Further technical scheme is also to be coated with coating structure on the above-mentioned THIN COMPOSITE rete two.
Further technical scheme is, above-mentioned coating structure is the polymethyl methacrylate overlay, and the thickness of said coating structure is 5 microns to 500 microns.
Further technical scheme is; Above-mentioned macromolecular material body is made up of following composition: mass ratio is 89% to 94% engineering plastics; Mass ratio is 0.05% to 4% ultraviolet absorber, and mass ratio is 0.05% to 1% antioxidant, and mass ratio is 1% to 6% antistatic additive.
Wherein, Described engineering plastics are at least a in Merlon, the polymethyl methacrylate; Described ultraviolet absorber is at least a in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of the 2-hydroxyl-5-) BTA; Described antioxidant is at least a in two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, the pentaerythrite four (3-lauryl thiopropionate), and described antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
Further technical scheme is; Above-mentioned THIN COMPOSITE rete one is made up of following composition with THIN COMPOSITE rete two: mass ratio is 90% to 95% engineering plastics; Mass ratio is 0.05% to 3% ultraviolet absorber; Mass ratio is 0.05% to 1% antioxidant, and mass ratio is 1% to 6% antistatic additive.
Wherein, Described engineering plastics are at least a in Merlon, the polymethyl methacrylate; Described ultraviolet absorber is at least a in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of the 2-hydroxyl-5-) BTA; Described antioxidant is at least a in two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, the pentaerythrite four (3-lauryl thiopropionate), and described antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
Further technical scheme is that the refractive index of above-mentioned macromolecular material body, THIN COMPOSITE rete one and THIN COMPOSITE rete two is 1.35 to 1.9.
Compared with prior art, the invention has the beneficial effects as follows: the present invention has optimized the structure of light reflecting membrane, and through on light reflecting membrane, being coated with the improvement of application layer and material component; Simplified processing technology; Reduce cost, and had excellent weatherability, satisfied long-term outdoor instructions for use.The ultraviolet absorber that increases among the present invention can significantly improve film performance, prevents its cracking, foaming, efflorescence, comes off and variable color, can resist 250 to 400nm ultraviolet lighting; Antioxidant makes the composite material oxidation resistance strengthen the service life of having improved this highway traffic sign light reflecting membrane; Antistatic additive makes material surface resistance drop to 10^9 to 10^13 ohm magnitude.
The present invention who uses in reality and the processing technology and the economic comparison of traditional applying light reflecting membrane:
Figure BDA0000120677190000031
Can find out that from above result the present invention can bring the processing technology of more simplifying and better economy for light reflecting membrane.
Description of drawings
Fig. 1 is the cross-sectional view of light reflecting membrane first embodiment of the present invention;
Fig. 2 is the cross-sectional view of light reflecting membrane second embodiment of the present invention;
Fig. 3 is the cross-sectional view of light reflecting membrane the 3rd embodiment of the present invention;
Fig. 4 is the cross-sectional view of light reflecting membrane the 4th embodiment of the present invention.
Among the figure, 110-macromolecular material body, 120-THIN COMPOSITE rete two, 130-THIN COMPOSITE rete one, 140-coating structure.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified, but embodiment of the present invention is not limited thereto.
Embodiment one
Light reflecting membrane as shown in Figure 1 comprises a macromolecular material body 110, and the upper surface of macromolecular material body 110 is coated with the coating structure 140 of the polymethyl methacrylate of 5 micron thick, and the refractive index of macromolecular material body 110 is 1.7.
Macromolecular material body 110 is mixed and made into through routine by 94% engineering plastics, 0.05% ultraviolet absorber, 0.05% antioxidant, 5.9% antistatic additive.Wherein engineering plastics are Merlon, and ultraviolet absorber is a UV-531, and antioxidant is two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
Coating structure 140 is covered in the entire upper surface of light reflecting membrane, can play a very good protection, and significantly improves the outdoor weathe resistance of light reflecting membrane; Simplify the processing technology of material through application pattern, improved machinability, reduced the cost of material.
Embodiment two
Light reflecting membrane as shown in Figure 2; Comprise a macromolecular material body 110; The upper surface co-extrusion of macromolecular material body 110 has THIN COMPOSITE rete 1; The upper surface of THIN COMPOSITE rete 1 is coated with the coating structure 140 of the polymethyl methacrylate of 10 micron thick, and wherein the refractive index of macromolecular material body 110 and THIN COMPOSITE rete 1 is 1.35.
Macromolecular material body 110 is mixed and made into through routine by 94% engineering plastics, 4% ultraviolet absorber, 1% antioxidant, 1% antistatic additive.
THIN COMPOSITE rete 1 is mixed and made into through routine by 95% engineering plastics, 3% ultraviolet absorber, 1% antioxidant, 1% antistatic additive.
Wherein in macromolecular material body 110 and the THIN COMPOSITE rete one 130 described compositions: engineering plastics are polymethyl methacrylate; Ultraviolet absorber is 2-(2-hydroxyl-3.5-dicumylphenyl) BTA; Antioxidant is 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
Embodiment three
Light reflecting membrane as shown in Figure 3; Comprise a macromolecular material body 110; The upper surface co-extrusion of macromolecular material body 110 has THIN COMPOSITE rete 1; The lower surface co-extrusion of macromolecular material body 110 has THIN COMPOSITE rete 2 120, and the upper surface of THIN COMPOSITE rete 1 is coated with the coating structure 140 of 500 micron thick polymethyl methacrylates, and wherein the refractive index of macromolecular material body 110, THIN COMPOSITE rete 1 and THIN COMPOSITE rete 2 120 is 1.9.
Macromolecular material body 110 is mixed and made into through routine by 89% engineering plastics, 4% ultraviolet absorber, 1% antioxidant, 6% antistatic additive.Wherein engineering plastics are Merlon; Ultraviolet absorber is 2-(2-hydroxyl-3.5-dicumylphenyl) BTA; Antioxidant is 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
THIN COMPOSITE rete 1 is mixed and made into through routine by 90% engineering plastics, 3% ultraviolet absorber, 1% antioxidant, 6% antistatic additive with THIN COMPOSITE rete 2 120.Wherein engineering plastics are polymethyl methacrylate, and ultraviolet absorber is 2-(the special octyl phenyl of a 2-hydroxyl-5-) BTA, and antioxidant is pentaerythrite four (3-lauryl thiopropionate), and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
Light reflecting membrane adopts three-layer co-extruded composite construction, has further promoted the adhesive force of the polymethyl methacrylate coating structure 140 that applies, and satisfies long-term outdoor instructions for use.
Embodiment four
Light reflecting membrane as shown in Figure 3; Comprise a macromolecular material body 110; The upper surface co-extrusion of macromolecular material body 110 has THIN COMPOSITE rete 1; The lower surface co-extrusion of macromolecular material body 110 has THIN COMPOSITE rete 2 120; The upper surface of THIN COMPOSITE rete 1 is coated with the coating structure 140 of 5 micron thick polymethyl methacrylates, and the lower surface of THIN COMPOSITE rete 2 120 is coated with the coating structure 140 of 5 micron thick polymethyl methacrylates, and wherein the refractive index of macromolecular material body 110, THIN COMPOSITE rete 1 and THIN COMPOSITE rete 2 120 is 1.8.
Macromolecular material body 110 is mixed and made into by 90% engineering plastics, 4% ultraviolet absorber, 1% antioxidant, 5% antistatic additive.Wherein engineering plastics are Merlon and polymethyl methacrylate; Ultraviolet absorber is UV-531 and 2-(the special octyl phenyl of 2-hydroxyl-5-) BTA; Antioxidant is pentaerythrite four (3-lauryl thiopropionate), and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
THIN COMPOSITE rete 1 is mixed and made into by 95% engineering plastics, 0.05% ultraviolet absorber, 0.05% antioxidant, 4.9% antistatic additive with THIN COMPOSITE rete 2 120.Wherein engineering plastics are Merlon, and ultraviolet absorber is a UV-531, and antioxidant is two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, and antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
It is white situation that the foregoing description is only listed the light reflecting membrane color; When color for yellow, orange, red, green, blue, brown, fluorescence is yellowish green, fluorescein, fluorescent orange perhaps also can reach identical technique effect during other color, still within the protection domain of present specification.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a light reflecting membrane comprises macromolecular material body (110), it is characterized in that: described light reflecting membrane also comprises coating structure (140), and described coating structure (140) is coated on the face of macromolecular material body (110).
2. light reflecting membrane according to claim 1 is characterized in that: also be provided with THIN COMPOSITE rete one (130) between the macromolecular material body (110) of said light reflecting membrane and the coating structure (140).
3. light reflecting membrane according to claim 2 is characterized in that: said macromolecular material body (110) also is provided with THIN COMPOSITE rete two (120) on the face relative with the face that is provided with THIN COMPOSITE rete one (130).
4. light reflecting membrane according to claim 3 is characterized in that: also be coated with coating structure (140) on the described THIN COMPOSITE rete two (120).
5. according to arbitrary described light reflecting membrane among the claim 1-4, it is characterized in that: described coating structure (140) is the polymethyl methacrylate overlay, and the thickness of said coating structure (140) is 5 microns to 500 microns.
6. according to arbitrary described light reflecting membrane among the claim 1-4; It is characterized in that: said macromolecular material body (110) is made up of following composition: mass ratio is 89% to 94% engineering plastics; Mass ratio is 0.05% to 4% ultraviolet absorber; Mass ratio is 0.05% to 1% antioxidant, and mass ratio is 1% to 6% antistatic additive.
7. light reflecting membrane according to claim 6; It is characterized in that: described engineering plastics are at least a in Merlon, the polymethyl methacrylate; Described ultraviolet absorber is at least a in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of the 2-hydroxyl-5-) BTA; Described antioxidant is at least a in two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, the pentaerythrite four (3-lauryl thiopropionate), and described antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
8. according to arbitrary described light reflecting membrane among the claim 2-4; It is characterized in that: said THIN COMPOSITE rete one (130) and THIN COMPOSITE rete two (120) are made up of following composition: mass ratio is 90% to 95% engineering plastics; Mass ratio is 0.05% to 3% ultraviolet absorber; Mass ratio is 0.05% to 1% antioxidant, and mass ratio is 1% to 6% antistatic additive.
9. light reflecting membrane according to claim 8; It is characterized in that: described engineering plastics are at least a in Merlon, the polymethyl methacrylate; Described ultraviolet absorber is at least a in UV-531,2-(2-hydroxyl-3.5-dicumylphenyl) BTA, 2-(the special octyl phenyl of the 2-hydroxyl-5-) BTA; Described antioxidant is at least a in two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, 2.2-oxalyl amido-two [ethyl-3-(3.5-di-tert-butyl-hydroxy phenyl)] propionic ester, the pentaerythrite four (3-lauryl thiopropionate), and described antistatic additive is alkyl benzene sulphonate-alkyl microcosmic salt.
10. according to arbitrary described light reflecting membrane among the claim 1-4, it is characterized in that: the refractive index of said macromolecular material body (110), THIN COMPOSITE rete one (130) and THIN COMPOSITE rete two (120) is 1.35 to 1.9.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103408863A (en) * 2013-07-19 2013-11-27 广东天安新材料股份有限公司 Infrared reflective material and membrane prepared therefrom
CN103554804A (en) * 2013-10-10 2014-02-05 浙江海川安全防护用品有限公司 Preparation method for high-strength acrylic reflective membrane supporting layer resin
CN108773135A (en) * 2018-05-04 2018-11-09 苏州奥美材料科技有限公司 A kind of high-weatherability makrolon reflective membrane

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161613A (en) * 1979-06-04 1980-12-16 Toshiba Glass Co Ltd Manufacture of recurrent reflection sheet
US5122905A (en) * 1989-06-20 1992-06-16 The Dow Chemical Company Relective polymeric body
CN1180886A (en) * 1996-05-29 1998-05-06 三星电子株式会社 optical head
CN1182886A (en) * 1997-10-22 1998-05-27 方基发 Flexible high strongth grade reflectiva film
US20090220742A1 (en) * 2008-02-29 2009-09-03 Eternal Chemical Co., Ltd., Brightness enhancement reflective film
CN202357547U (en) * 2011-12-15 2012-08-01 绵阳龙华薄膜有限公司 Reflective film

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55161613A (en) * 1979-06-04 1980-12-16 Toshiba Glass Co Ltd Manufacture of recurrent reflection sheet
US5122905A (en) * 1989-06-20 1992-06-16 The Dow Chemical Company Relective polymeric body
CN1180886A (en) * 1996-05-29 1998-05-06 三星电子株式会社 optical head
CN1182886A (en) * 1997-10-22 1998-05-27 方基发 Flexible high strongth grade reflectiva film
US20090220742A1 (en) * 2008-02-29 2009-09-03 Eternal Chemical Co., Ltd., Brightness enhancement reflective film
CN202357547U (en) * 2011-12-15 2012-08-01 绵阳龙华薄膜有限公司 Reflective film

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103408863A (en) * 2013-07-19 2013-11-27 广东天安新材料股份有限公司 Infrared reflective material and membrane prepared therefrom
CN103408863B (en) * 2013-07-19 2015-12-09 广东天安新材料股份有限公司 A kind of infrared reflective material and obtained film thereof
CN103554804A (en) * 2013-10-10 2014-02-05 浙江海川安全防护用品有限公司 Preparation method for high-strength acrylic reflective membrane supporting layer resin
CN103554804B (en) * 2013-10-10 2016-03-16 浙江海川安全防护用品有限公司 The preparation method of high intensity level acrylic tapetum lucidum supporting layer resin
CN108773135A (en) * 2018-05-04 2018-11-09 苏州奥美材料科技有限公司 A kind of high-weatherability makrolon reflective membrane

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Address after: 621000 Mianyang province Sichuan City Feiyun Road in the middle of 363

Applicant after: MIANYANG LONGHUA FILM CO., LTD.

Address before: 621000 Mianyang province Sichuan City Feiyun Road in the middle of 363

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Denomination of invention: Reflective film

Effective date of registration: 20210202

Granted publication date: 20150422

Pledgee: Agricultural Bank of China, Limited by Share Ltd, Mianyang, Fucheng branch

Pledgor: Sichuan Longhua Film Co.,Ltd.

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