CN108912372A - A kind of polycarbonate sunshine board and preparation method thereof of the composite coating of absorbent containing nanometer ultraviolet ray - Google Patents

A kind of polycarbonate sunshine board and preparation method thereof of the composite coating of absorbent containing nanometer ultraviolet ray Download PDF

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Publication number
CN108912372A
CN108912372A CN201810816662.4A CN201810816662A CN108912372A CN 108912372 A CN108912372 A CN 108912372A CN 201810816662 A CN201810816662 A CN 201810816662A CN 108912372 A CN108912372 A CN 108912372A
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CN
China
Prior art keywords
ultraviolet ray
absorbent
nanometer ultraviolet
composite coating
polycarbonate
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Pending
Application number
CN201810816662.4A
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Chinese (zh)
Inventor
陈增军
刘应
宋治乾
陈昌春
廖志荣
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Shanghai Pincheng Holding Group Co., Ltd
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PINCHENG PLASTIC TECHNOLOGY (SHANGHAI) CO LTD
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Priority to CN201810816662.4A priority Critical patent/CN108912372A/en
Publication of CN108912372A publication Critical patent/CN108912372A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/06Coating with compositions not containing macromolecular substances
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2369/00Characterised by the use of polycarbonates; Derivatives of polycarbonates

Abstract

The invention discloses a kind of polycarbonate sunshine boards and preparation method thereof of composite coating of absorbent containing nanometer ultraviolet ray, the polycarbonate sunshine board is that nanometer ultraviolet ray absorbent composite coating is compounded on polycarbonate support, nanometer ultraviolet ray absorbent composite coating is the mixture of nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers, the parts by weight of polycarbonate support are 85~99 parts, and the parts by weight of the mixture of nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers are 1~15 part.Nanometer ultraviolet ray absorbent used in the present invention has higher thermal stability, less in the dust pollution and Organic Waste Gas Pollution of production process generation;During producing sunlight board, low molecule is precipitated less, improves production efficiency and quality;Outdoors during use, the service life that nanometer ultraviolet ray absorbent can be obviously improved sunlight board reaches 15 years or more sunlight board.

Description

A kind of polycarbonate sunshine board and its system of the composite coating of absorbent containing nanometer ultraviolet ray Preparation Method
Technical field
The invention belongs to polycarbonate sunshine board technical fields, particularly relate to a kind of absorbent containing nanometer ultraviolet ray Polycarbonate sunshine board of composite coating and preparation method thereof.
Background technique
Polycarbonate sunshine board in currently available technology, it is most general in order to guarantee that it is able to use 10 years or more outdoors Time method be exactly method by coextrusion, form the UV of one layer of 50 μm or more thickness on the surface of polycarbonate sunshine board Layer, the UV layers of interior high concentration light stabilizer/ultraviolet absorbing agent for being 1%~15% containing concentration, light stabilizer/ultraviolet light used Absorbent includes group-substituted acrylonitrile ultraviolet absorbing agent, Benzotriazole Ultraviolet Stabilizer and its derivative, triazines purple One or more of ultraviolet absorbers and its derivative, benzophenone ultraviolet absorbent, hindered amine light stabilizer etc. Compound.But above-mentioned light stabilizer/ultraviolet absorbing agent in the prior art is organic small molecule material, these are organic small Molecular material can be thermally decomposed in process of production, generate a large amount of volatile contaminant, to cause to endanger to environment and human body Evil.It is higher additionally, due to addition concentration, so that auxiliary agent is easy to be precipitated during producing sunlight board, result in the need for frequently clear Mold cleaning tool and shaping platform.In the use process of polycarbonate sunshine board outdoors, small molecule auxiliary agent can be constantly precipitated, and cause surface Dusting.Due to the influence of the conditions such as rainwater, moisture, illumination, light stabilizer/ultraviolet absorbing agent concentration can constantly reduce, UV Thickness degree is constantly thinning, to limit the service life of sunlight board.
Summary of the invention
The present invention provides a kind of composite coating of absorbent containing nanometer ultraviolet ray to overcome the shortcomings of the prior art Polycarbonate sunshine board and preparation method thereof is inhaled with eliminating in traditional sunlight board in the prior art using light stabilizer/ultraviolet light Receive the drawback that agent pollutes big, degradable and easy precipitation and causes sunlight board service life limited.
The core of the polycarbonate sunshine board of the present invention composite coating of absorbent containing nanometer ultraviolet ray is to use one kind Completely new nanometer ultraviolet ray absorbent composite coating scheme.
For composite coating in the present invention using polycarbonate as carrier, polycarbonate is selected from high-viscosity extruding grade polycarbonate board Number, it typically can be arbitrarily selected from mould clone ET3117, ET3113, Lexan 0703R, Lexan 0703R and Lexan 103R etc. One of trade mark.
The present invention is achieved by the following technical solutions:A kind of poly- carbonic acid of the composite coating of absorbent containing nanometer ultraviolet ray Ester sunlight board, the polycarbonate sunshine board are that nanometer ultraviolet ray absorbent composite coating is compounded on polycarbonate support, are received Rice ultraviolet absorbing agent composite coating is nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers Mixture, the preferred mixture of nanometer ultraviolet ray absorbent and organic uv absorbers, the parts by weight of polycarbonate support It is 85~99 parts, the weight of the mixture of nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers Part is 1~15 part.
As the preferred embodiment of the present invention, the parts by weight of polycarbonate support are 88~95 parts, and nanometer ultraviolet ray is inhaled The parts by weight for receiving the mixture of agent or nanometer ultraviolet ray absorbent and organic uv absorbers are 5~12 parts.
Wherein nanometer ultraviolet ray absorbent includes but is not limited in nano-titanium dioxide, nano zine oxide and nano-cerium oxide One or more of compounds.Organic uv absorbers include but is not limited to group-substituted acrylonitrile ultraviolet absorbing agent, benzene And triazole type ultraviolet absorbing agent and its derivative, triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet The compound of one or more of absorbent and hindered amine light stabilizer.
In order to improve the dispersibility and stability of nanometer ultraviolet ray absorbent, nanometer ultraviolet ray absorbent is wrapped using surface Coating technique processing, nanometer ultraviolet ray absorbent preferably use aluminum oxide to carry out surface cladding to it.Nanometer ultraviolet ray absorbs The form of agent is solid fines shape, and average grain diameter is 10~300nm, and preferably average grain diameter is 10~100nm.
The invention also discloses a kind of preparation sides of the polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray Method, the preparation method specifically comprise the following steps:
(1)The mixture of nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers and poly- carbonic acid Ester carrier is mixed inside high-speed mixer in certain proportion according to respective parts by weight, and it is steady to be additionally added a certain amount of heat Determine agent and lubricant;
(2)After high-speed mixer mixes, with automatic charging equipment by the hopper of mixture sucking double screw extruder, mix Object passes through effective mixing of double screw extruder, and melting temperature is 240 DEG C~300 DEG C, and evenly dispersed nanometer ultraviolet ray is made Absorbent composite coating raw material UV master batch;
(3)UV master batch and sunlight board substrate are separately added into and squeeze out machine host and UV subsidiary engine, by being coextruded unit, molding preparation High durable polycarbonate sunshine board, thickness >=30 μ of the nanometer ultraviolet ray absorbent composite coating on polycarbonate sunshine board surface M, preferably >=50 μm.
In step(1)In, nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers it is mixed The parts by weight for closing object are 1~15 part, and the parts by weight of polycarbonate support are 85~99 parts, the parts by weight of heat stabilizer are 0.2~ 0.5 part, the parts by weight of lubricant are 0.1~0.6 part.
The beneficial effects of the invention are as follows:Light stabilizer/ultraviolet light is used in order to eliminate in traditional sunlight board in the prior art Absorbent pollutes big, the degradable and easy drawback for being precipitated and causing sunlight board service life limited, and the present invention provides one kind to contain The technology of polycarbonate sunshine board and preparation method thereof of nanometer ultraviolet ray absorbent composite coating, will significantly promote sunlight board Service life.The polycarbonate sunshine board of the present invention composite coating of absorbent containing nanometer ultraviolet ray also has the following advantages that:1, Nanometer ultraviolet ray absorbent have higher thermal stability, production process generate dust pollution and Organic Waste Gas Pollution more It is few;2, during producing sunlight board, low molecule is precipitated less, improves production efficiency and quality;3, sunlight board is outdoors Use process in, the service life that nanometer ultraviolet ray absorbent can be obviously improved sunlight board reaches 15 years or more.
Specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.
A kind of polycarbonate sunshine board of the composite coating of absorbent containing nanometer ultraviolet ray, the polycarbonate sunshine board are poly- Nanometer ultraviolet ray absorbent composite coating is compounded on carbonic ester carrier, nanometer ultraviolet ray absorbent composite coating is that nanometer is ultraviolet The mixture of light absorbers or nanometer ultraviolet ray absorbent and organic uv absorbers, preferably nanometer ultraviolet ray absorbent with have The mixture of machine ultraviolet absorbing agent, the parts by weight of polycarbonate support are 85~99 parts, nanometer ultraviolet ray absorbent or nanometer The parts by weight of the mixture of ultraviolet absorbing agent and organic uv absorbers are 1~15 part.Nanometer ultraviolet ray absorbent includes But the compound for one or more of being not limited to nano-titanium dioxide, nano zine oxide and nano-cerium oxide.Organic uv Absorbent include but is not limited to group-substituted acrylonitrile ultraviolet absorbing agent, Benzotriazole Ultraviolet Stabilizer and its derivative, One of triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet absorbent and hindered amine light stabilizer Or several compound.
In order to improve the dispersibility and stability of nanometer ultraviolet ray absorbent, nanometer ultraviolet ray absorbent is wrapped using surface Coating technique processing, nanometer ultraviolet ray absorbent preferably use aluminum oxide to carry out surface cladding to it.Nanometer ultraviolet ray absorbs The form of agent is solid fines shape, and average grain diameter is 10~300nm, and preferably average grain diameter is 10~100nm.
The invention also discloses a kind of preparation sides of the polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray Method, the preparation method specifically comprise the following steps:(1)Nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic ultraviolet The mixture and polycarbonate support of light absorbers according to respective parts by weight in certain proportion inside high-speed mixer into Row mixing, is additionally added a certain amount of heat stabilizer and lubricant;Nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent with have The parts by weight of the mixture of machine ultraviolet absorbing agent are 1~15 part, and the parts by weight of polycarbonate support are 85~99 parts, thermostabilization The parts by weight of agent are 0.2~0.5 part, and the parts by weight of lubricant are 0.1~0.6 part;(2)After high-speed mixer mixes, use The hopper of mixture sucking double screw extruder, mixture are passed through effective mixing of double screw extruder by automatic charging equipment, Melting temperature is 240 DEG C~300 DEG C, and evenly dispersed nanometer ultraviolet ray absorbent composite coating raw material UV master batch is made;(3)It will UV master batch and sunlight board substrate, which are separately added into, squeezes out machine host and UV subsidiary engine, and by being coextruded unit, it is poly- that molding prepares high durable Carbonic ester sunlight board, thickness >=30 μm of the nanometer ultraviolet ray absorbent composite coating on polycarbonate sunshine board surface, preferably >= 50μm。
Finally it should be noted that the above content is merely illustrative of the technical solution of the present invention, rather than the present invention is protected The limitation of range, the simple modification or equivalent replacement that those skilled in the art carry out technical solution of the present invention, All without departing from the spirit and scope of technical solution of the present invention.

Claims (10)

1. a kind of polycarbonate sunshine board of the composite coating of absorbent containing nanometer ultraviolet ray, it is characterised in that:The polycarbonate Sunlight board is that nanometer ultraviolet ray absorbent composite coating is compounded on polycarbonate support, and the nanometer ultraviolet ray absorbent is multiple Close the mixture that coating is nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers, the poly- carbon The parts by weight of acid esters carrier are 85~99 parts, the nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv The parts by weight of the mixture of absorbent are 1~15 part.
2. a kind of polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 1, special Sign is:The parts by weight of the polycarbonate support are 88~95 parts, and the nanometer ultraviolet ray absorbent or nanometer ultraviolet ray are inhaled The parts by weight for receiving the mixture of agent and organic uv absorbers are 5~12 parts.
3. a kind of polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 1, special Sign is:The nanometer ultraviolet ray absorbent is one of nano-titanium dioxide, nano zine oxide and nano-cerium oxide or several The compound of kind.
4. a kind of polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 1, special Sign is:The organic uv absorbers are group-substituted acrylonitrile ultraviolet absorbing agent, Benzotriazole Ultraviolet Stabilizer And its derivative, triazine-based ultraviolet absorbent and its derivative, benzophenone ultraviolet absorbent and hindered amines light are steady Determine the compound of one or more of agent.
5. a kind of composite coating of absorbent containing nanometer ultraviolet ray described in any one of -4 claims is poly- according to claim 1 Carbonic ester sunlight board, it is characterised in that:The nanometer ultraviolet ray absorbent carries out surface cladding to it using aluminum oxide.
6. a kind of composite coating of absorbent containing nanometer ultraviolet ray described in any one of -4 claims is poly- according to claim 1 Carbonic ester sunlight board, it is characterised in that:The form of the nanometer ultraviolet ray absorbent be solid fines shape, average grain diameter be 10~ 300nm。
7. a kind of polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 6, special Sign is:The average grain diameter of the nanometer ultraviolet ray absorbent is 10~100nm.
8. a kind of composite coating of absorbent containing nanometer ultraviolet ray described in any one of -4 claims is poly- according to claim 1 The preparation method of carbonic ester sunlight board, it is characterised in that:The preparation method specifically comprises the following steps:
(1)The mixture and polycarbonate of nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv absorbers Carrier is mixed inside high-speed mixer according to respective parts by weight, is additionally added a certain amount of heat stabilizer and lubricant;
(2)After high-speed mixer mixes, with automatic charging equipment by the hopper of mixture sucking double screw extruder, mix Object passes through effective mixing of double screw extruder, and melting temperature is 240 DEG C~300 DEG C, and evenly dispersed nanometer ultraviolet ray is made Absorbent composite coating raw material UV master batch;
(3)UV master batch and sunlight board substrate are separately added into and squeeze out machine host and UV subsidiary engine, by being coextruded unit, molding preparation High durable polycarbonate sunshine board, thickness >=30 μ of the nanometer ultraviolet ray absorbent composite coating on polycarbonate sunshine board surface m。
9. a kind of preparation of the polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 8 Method, it is characterised in that:In step(1)In, nanometer ultraviolet ray absorbent or nanometer ultraviolet ray absorbent and organic uv are inhaled The parts by weight for receiving the mixture of agent are 1~15 part, and the parts by weight of polycarbonate support are 85~99 parts, the parts by weight of heat stabilizer It is 0.2~0.5 part, the parts by weight of lubricant are 0.1~0.6 part.
10. a kind of system of the polycarbonate sunshine board of composite coating of absorbent containing nanometer ultraviolet ray according to claim 8 Preparation Method, it is characterised in that:In step(3)In, the nanometer ultraviolet ray absorbent composite coating on polycarbonate sunshine board surface Thickness >=50 μm.
CN201810816662.4A 2018-07-24 2018-07-24 A kind of polycarbonate sunshine board and preparation method thereof of the composite coating of absorbent containing nanometer ultraviolet ray Pending CN108912372A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111440347A (en) * 2020-03-25 2020-07-24 李皥东 Improved PC board and preparation method thereof
CN111873585A (en) * 2020-07-22 2020-11-03 无锡希尔丽塑胶板材有限公司 Anti-aging PC sunlight plate and preparation method thereof
CN112606502A (en) * 2020-12-23 2021-04-06 上海品诚控股集团有限公司 Scratch-resistant polycarbonate solid plate and preparation method thereof
CN113563708A (en) * 2021-07-16 2021-10-29 上海品诚控股集团有限公司 Polycarbonate solid plate applied outdoors and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1631975A (en) * 2004-11-19 2005-06-29 攀钢集团攀枝花钢铁研究院 Nano composite functional agglomerate for sunshine plate and method for preparing same
CN102950848A (en) * 2011-08-25 2013-03-06 品诚塑胶科技(上海)有限公司 New sun sheet and production method thereof
CN104045989A (en) * 2014-07-10 2014-09-17 苏州新区华士达工程塑胶有限公司 Anti-ultraviolet polycarbonate
CN107556729A (en) * 2017-09-19 2018-01-09 深圳市科聚新材料有限公司 Polycarbonate composite material, PC sunlight board its preparation methods

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1631975A (en) * 2004-11-19 2005-06-29 攀钢集团攀枝花钢铁研究院 Nano composite functional agglomerate for sunshine plate and method for preparing same
CN102950848A (en) * 2011-08-25 2013-03-06 品诚塑胶科技(上海)有限公司 New sun sheet and production method thereof
CN104045989A (en) * 2014-07-10 2014-09-17 苏州新区华士达工程塑胶有限公司 Anti-ultraviolet polycarbonate
CN107556729A (en) * 2017-09-19 2018-01-09 深圳市科聚新材料有限公司 Polycarbonate composite material, PC sunlight board its preparation methods

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111440347A (en) * 2020-03-25 2020-07-24 李皥东 Improved PC board and preparation method thereof
CN111873585A (en) * 2020-07-22 2020-11-03 无锡希尔丽塑胶板材有限公司 Anti-aging PC sunlight plate and preparation method thereof
CN112606502A (en) * 2020-12-23 2021-04-06 上海品诚控股集团有限公司 Scratch-resistant polycarbonate solid plate and preparation method thereof
CN113563708A (en) * 2021-07-16 2021-10-29 上海品诚控股集团有限公司 Polycarbonate solid plate applied outdoors and preparation method thereof

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