KR900010429A - Manufacturing method of closed lens retroreflective material - Google Patents

Manufacturing method of closed lens retroreflective material Download PDF

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Publication number
KR900010429A
KR900010429A KR1019880017390A KR880017390A KR900010429A KR 900010429 A KR900010429 A KR 900010429A KR 1019880017390 A KR1019880017390 A KR 1019880017390A KR 880017390 A KR880017390 A KR 880017390A KR 900010429 A KR900010429 A KR 900010429A
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KR
South Korea
Prior art keywords
weight
beads
retroreflective material
lens retroreflective
vacuum
Prior art date
Application number
KR1019880017390A
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Korean (ko)
Other versions
KR910004714B1 (en
Inventor
김광태
손영호
이재철
이명섭
Original Assignee
이수환
제일합섬 주식회사
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Publication date
Application filed by 이수환, 제일합섬 주식회사 filed Critical 이수환
Priority to KR1019880017390A priority Critical patent/KR910004714B1/en
Publication of KR900010429A publication Critical patent/KR900010429A/en
Application granted granted Critical
Publication of KR910004714B1 publication Critical patent/KR910004714B1/en

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors

Abstract

내용 없음No content

Description

클로즈렌즈형(Closed Type) 재귀반사재의 제조방법Manufacturing method of closed lens retroreflective material

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 구성단면을 보인 종단면 예시도이다.1 is a longitudinal cross-sectional view showing a sectional view of the present invention.

Claims (3)

고형분이 20 내지 50% 함유된 아크릴계 공중합물 10 내지 30중량%와, 고형분이 20 내지 50%함유된 폴리우레탄수지 40 내지 80중량%, 벤조트리아졸계 자외선 안정제 0.05 내지 0.5중량%, 폐놀계 산화방지제0.01 내지 0.5중량% 및 하기 식(I)로 표현되는 실리콘계 첨가제 0.1 내지 1.0중량%을 디메틸 포름아마이드, 톨루엔, 트리클로르에틸렌의 혼합용매를 사용하여2000cps 내지 20000cps로 점도 조절후, 폴리에틸렌테레프탈레이트 필름위에 5㎛ 내지 30㎛ 두께로 되게 표면층 코팅한 다음 100℃에서 160℃에서 15초 내지 5분간 건조 및 경화시키며, 비즈접착층을 4㎛ 내지 40㎛되게 코팅한 후 글라스비즈를 파우더 스프레이 장치 및 진공회수 장치를 이용하여 산포하여 100℃ 내지 160℃에서 15초 내지 5분간 건조 및 경화시키고,촛점층을 5㎛ 내지 30㎛ 되도록 도포시킨 다음 다시 100℃ 내지 160℃에서 15초 내지 5분간 건조 및 경화시키고, 반사금속을 300Å 내지 2000Å 진공 증착시켜 접착층 코팅후 폴리에틸렌 테레프탈레이트 필름을 박리하여 제조하는 것을 특징으로 하는 클로즈렌즈형 재귀반사재의 제조 방법.10 to 30% by weight acrylic copolymer containing 20 to 50% solids, 40 to 80% by weight polyurethane resin containing 20 to 50% solids, 0.05 to 0.5% by weight benzotriazole UV stabilizer, phenolic antioxidant 0.01 to 0.5% by weight and 0.1 to 1.0% by weight of the silicone-based additive represented by the following formula (I) using a mixed solvent of dimethyl formamide, toluene and trichlorethylene to viscosity of 2000cps to 20000cps, and then on the polyethylene terephthalate film After coating the surface layer to a thickness of 5㎛ 30㎛ and then dried and cured at 100 ℃ at 160 ℃ for 15 seconds to 5 minutes, after coating the beads adhesive layer to 4㎛ 40㎛ glass beads are powder spray device and vacuum recovery device Scatter using to dry and cure for 15 seconds to 5 minutes at 100 ℃ to 160 ℃, apply a focus layer to 5 ㎛ to 30 ㎛ and then again 100 ℃ It is dried and cured at 15 ~ 5 ℃ for 15 seconds to 5 minutes, the vacuum reflective film is 300 Å to 2000 증착 vacuum deposition method of producing a closed lens retroreflective material, characterized in that to remove the polyethylene terephthalate film after coating the adhesive layer. 여기서, R1은 -HCH3'R2', R3는 -CnH2n+1, n은 1-10의 정수이다.Here, R 1 is -HCH 3 'R 2 ', R 3 is -CnH 2n + 1 , n is an integer of 1-10. 제 1 항에 있어서, 사용된 혼합수지는 굴절율이 1.8 내지 2.3임을 특징으로 하는 클로즈렌즈형 재귀반사재의 제조 방법.The method of manufacturing a closed lens retroreflective material according to claim 1, wherein the mixed resin used has a refractive index of 1.8 to 2.3. 제 1 항에 있어서, 글라스비즈는 직경이 40㎛ 내지 80㎛, 굴절율이 2.0 내지 2.4이며, 균일한 산포를 위해 20 내지 40메쉬(mesh)의 엠보싱 롤(embossing roll)로 구성된 파우더 스프레이 장치를 사용하고, 과량의 비즈는 5 내지 50토르(Torr)의 진공으로 제거됨을 특징으로 하는 클로즈렌즈형 재귀반사재의 제조방법.The powder beads of claim 1, wherein the glass beads have a diameter of 40 µm to 80 µm, a refractive index of 2.0 to 2.4, and use a powder spray apparatus composed of 20 to 40 mesh embossing rolls for uniform dispersion. And, excess beads are removed in a vacuum of 5 to 50 Torr (Torr) method for producing a closed lens retroreflective material. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880017390A 1988-12-24 1988-12-24 Production method of closed-lens type self-reflecting material KR910004714B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880017390A KR910004714B1 (en) 1988-12-24 1988-12-24 Production method of closed-lens type self-reflecting material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880017390A KR910004714B1 (en) 1988-12-24 1988-12-24 Production method of closed-lens type self-reflecting material

Publications (2)

Publication Number Publication Date
KR900010429A true KR900010429A (en) 1990-07-07
KR910004714B1 KR910004714B1 (en) 1991-07-10

Family

ID=19280643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880017390A KR910004714B1 (en) 1988-12-24 1988-12-24 Production method of closed-lens type self-reflecting material

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KR (1) KR910004714B1 (en)

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Publication number Publication date
KR910004714B1 (en) 1991-07-10

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