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177.2465 Polymethylmethacrylate/poly(trimethoxysilylpropyl)methacrylate copolymers.

Home > Regulations > Indirect food additives: Polymers > 177.2465 Polymethylmethacrylate/poly(trimethoxysilylpropyl)methacrylate copolymers.



[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR177.2465]

[Page 343]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 177_INDIRECT FOOD ADDITIVES: POLYMERS--Table of Contents
 
Subpart C_Substances for Use Only as Components of Articles Intended for 
                              Repeated Use
 
Sec.  177.2465  Polymethylmethacrylate/poly(trimethoxysilylpropyl)
methacrylate copolymers.

    Polymethylmethacrylate/poly(trimethoxysilylpropyl) methacrylate 
copolymers (CAS Reg. No. 26936-30-1) may be safely used as components of 
surface primers used in conjunction with silicone polymers intended for 
repeated use and complying with Sec.  175.300 of this chapter and Sec.  
177.2600, in accordance with the following prescribed conditions.
    (a) Identity. For the purpose of this section, 
polymethylmethacrylate/poly(trimethoxysilylpropyl)methacrylate 
copolymers are produced by the polymerization of methylmethacrylate and 
trimethoxysilylpropylmethacrylate.
    (b) Conditions of use. (1) The polymethylmethacrylate/poly(tri meth 
oxy silyl propyl)methacrylate copolymers are used at levels not to 
exceed 6.0 percent by weight of the primer formulation.
    (2) The copolymers may be used in food contact applications with all 
food types under conditions of use B through H as described in table 2 
of Sec.  176.170(c) of this chapter.

[59 FR 5948, Feb. 9, 1994]

[[Page 344]]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 177, Section 2465


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